SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/camunda.jar!/BOOT-INF/lib/logback-classic-1.2.3.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/camunda.jar!/BOOT-INF/lib/slf4j-jdk14-1.7.13.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [ch.qos.logback.classic.util.ContextSelectorStaticBinder]
2019-12-18 03:30:02.337 ERROR 1 --- [           main] o.s.b.c.l.LoggingApplicationListener     : Cannot set level '' for 'org.camunda.bpm.engine'
2019-12-18 03:30:06.361  INFO 1 --- [           main] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$2240d861] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2019-12-18 03:30:07.945 ERROR 1 --- [           main] o.s.b.c.l.LoggingApplicationListener     : Cannot set level '' for 'org.camunda.bpm.engine'

 ____                                 _         ____  ____  __  __
/ ___| __ _ _ __ ___  _   _ _ __   __| | __ _  | __ )|  _ \|  \/  |
| |   / _` | '_ ` _ \| | | | '_ \ / _` |/ _` | |  _ \| |_) | |\/| |
| |__| (_| | | | | | | |_| | | | | (_| | (_| | | |_) |  __/| |  | |
\____/\__,_|_| |_| |_|\__,_|_| |_|\__,_|\__,_| |____/|_|   |_|  |_|

  Spring-Boot:  (v2.1.5.RELEASE)
  Camunda BPM: (v7.11.0)
  Camunda BPM Spring Boot Starter: (v3.3.2)

2019-12-18 03:30:08.255  INFO 1 --- [           main] c.c.c.ConfigServicePropertySourceLocator : Fetching config from server at : http://localhost:8888
2019-12-18 03:30:09.091  INFO 1 --- [           main] c.c.c.ConfigServicePropertySourceLocator : Connect Timeout Exception on Url - http://localhost:8888. Will be trying the next url if available
2019-12-18 03:30:09.093  WARN 1 --- [           main] c.c.c.ConfigServicePropertySourceLocator : Could not locate PropertySource: I/O error on GET request for "http://localhost:8888/application/default": Connection refused (Connection refused); nested exception is java.net.ConnectException: Connection refused (Connection refused)
2019-12-18 03:30:09.129  INFO 1 --- [           main] com.tomtom.flow.CamundaApplication       : No active profile set, falling back to default profiles: default
2019-12-18 03:30:24.063  INFO 1 --- [           main] o.s.cloud.context.scope.GenericScope     : BeanFactory id=0b38c722-33ef-3f04-9679-7d7de004bad8
2019-12-18 03:30:24.459  INFO 1 --- [           main] trationDelegate$BeanPostProcessorChecker : Bean 'com.tomtom.flow.client.FlowClient' of type [org.springframework.cloud.openfeign.FeignClientFactoryBean] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2019-12-18 03:30:25.253  INFO 1 --- [           main] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration' of type [org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration$$EnhancerBySpringCGLIB$$626d564] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2019-12-18 03:30:25.469  INFO 1 --- [           main] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$2240d861] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2019-12-18 03:30:27.318  INFO 1 --- [           main] o.s.b.w.embedded.tomcat.TomcatWebServer  : Tomcat initialized with port(s): 8080 (http)
2019-12-18 03:30:27.364  INFO 1 --- [           main] o.apache.catalina.core.StandardService   : Starting service [Tomcat]
2019-12-18 03:30:27.364  INFO 1 --- [           main] org.apache.catalina.core.StandardEngine  : Starting Servlet engine: [Apache Tomcat/9.0.19]
2019-12-18 03:30:27.698  INFO 1 --- [           main] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring embedded WebApplicationContext
2019-12-18 03:30:27.709  INFO 1 --- [           main] o.s.web.context.ContextLoader            : Root WebApplicationContext: initialization completed in 18494 ms
2019-12-18 03:30:27.802  INFO 1 --- [           main] .c.b.s.b.s.r.CamundaJerseyResourceConfig : Configuring camunda rest api.
2019-12-18 03:30:27.919  INFO 1 --- [           main] .c.b.s.b.s.r.CamundaJerseyResourceConfig : Finished configuring camunda rest api.
2019-12-18 03:30:30.576  INFO 1 --- [           main] org.camunda.bpm.spring.boot              : STARTER-SB040 Setting up jobExecutor with corePoolSize=3, maxPoolSize:10
2019-12-18 03:30:30.590  INFO 1 --- [           main] o.s.s.concurrent.ThreadPoolTaskExecutor  : Initializing ExecutorService 'camundaTaskExecutor'
2019-12-18 03:30:31.122  INFO 1 --- [           main] org.camunda.bpm.engine.cfg               : ENGINE-12003 Plugin 'CompositeProcessEnginePlugin[genericPropertiesConfiguration, camundaProcessEngineConfiguration, camundaDatasourceConfiguration, camundaJobConfiguration, camundaHistoryConfiguration, camundaMetricsConfiguration, camundaAuthorizationConfiguration, CreateAdminUserConfiguration[adminUser=AdminUserProperty[id=admin, firstName=admin, lastName=admin, email=milind.chawre@tomtom.com, password=******]], failedJobConfiguration, CreateFilterConfiguration[filterName=All tasks], disableDeploymentResourcePattern, eventPublisherPlugin]' activated on process engine 'default'
2019-12-18 03:30:31.292  INFO 1 --- [           main] org.camunda.bpm.spring.boot              : STARTER-SB020 ProcessApplication enabled: autoDeployment via springConfiguration#deploymentResourcePattern is disabled
2019-12-18 03:30:31.304  INFO 1 --- [           main] o.c.b.s.b.s.event.EventPublisherPlugin   : EVENTING-001: Initialized Camunda Spring Boot Eventing Engine Plugin.
2019-12-18 03:30:31.304  INFO 1 --- [           main] o.c.b.s.b.s.event.EventPublisherPlugin   : EVENTING-003: Task events will be published as Spring Events.
2019-12-18 03:30:31.305  INFO 1 --- [           main] o.c.b.s.b.s.event.EventPublisherPlugin   : EVENTING-005: Execution events will be published as Spring Events.
2019-12-18 03:30:31.331  INFO 1 --- [           main] o.c.b.s.b.s.event.EventPublisherPlugin   : EVENTING-007: History events will be published as Spring events.
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.apache.ibatis.reflection.Reflector (jar:file:/camunda.jar!/BOOT-INF/lib/mybatis-3.4.4.jar!/) to method java.lang.Object.finalize()
WARNING: Please consider reporting this to the maintainers of org.apache.ibatis.reflection.Reflector
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
2019-12-18 03:30:45.278  INFO 1 --- [           main] com.zaxxer.hikari.HikariDataSource       : HikariPool-1 - Starting...
2019-12-18 03:30:46.267  INFO 1 --- [           main] com.zaxxer.hikari.HikariDataSource       : HikariPool-1 - Start completed.
2019-12-18 03:30:47.277  INFO 1 --- [           main] org.camunda.bpm.engine                   : ENGINE-00001 Process Engine default created.
2019-12-18 03:30:47.452  INFO 1 --- [           main] org.camunda.bpm.spring.boot              : STARTER-SB011 skip creating initial Admin User, user does exist: UserEntity[id=admin, revision=30, firstName=admin, lastName=admin, email=milind.chawre@tomtom.com, password={SHA-512}C4DCNmJfy/VCskRvUINyzuqPeM+66F4wKUDSyZl68ZlXmYnwtWvpq0DjBdJr00y6twe64Ji/vGxxS3zQpsUkHQ==, salt=UdRW9PL5xTYwkDeA4ql7Wg==, lockExpirationTime=null, attempts=0]
2019-12-18 03:30:49.445  WARN 1 --- [           main] o.s.c.n.a.ArchaiusAutoConfiguration      : No spring.application.name found, defaulting to 'application'
2019-12-18 03:30:49.457  WARN 1 --- [           main] c.n.c.sources.URLConfigurationSource     : No URLs will be polled as dynamic configuration sources.
2019-12-18 03:30:49.457  INFO 1 --- [           main] c.n.c.sources.URLConfigurationSource     : To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
2019-12-18 03:30:49.475  WARN 1 --- [           main] c.n.c.sources.URLConfigurationSource     : No URLs will be polled as dynamic configuration sources.
2019-12-18 03:30:49.475  INFO 1 --- [           main] c.n.c.sources.URLConfigurationSource     : To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
2019-12-18 03:30:51.855  INFO 1 --- [           main] o.c.b.s.b.s.w.f.LazyInitRegistration     : lazy initialized org.camunda.bpm.spring.boot.starter.webapp.filter.LazyProcessEnginesFilter@4dac121d
2019-12-18 03:30:52.009  INFO 1 --- [           main] o.c.b.s.b.s.w.f.LazyInitRegistration     : lazy initialized org.camunda.bpm.spring.boot.starter.webapp.filter.LazySecurityFilter@3e28fee1
2019-12-18 03:30:52.602  INFO 1 --- [           main] o.s.b.a.e.web.EndpointLinksResolver      : Exposing 16 endpoint(s) beneath base path '/actuator'
2019-12-18 03:30:52.967  INFO 1 --- [           main] org.camunda.bpm.container                : ENGINE-08026 No processes.xml file found in process application 'camundaApplication'
2019-12-18 03:30:52.987  INFO 1 --- [           main] org.camunda.bpm.container                : ENGINE-08050 Process application camundaApplication successfully deployed
2019-12-18 03:30:53.172  INFO 1 --- [           main] o.s.b.w.embedded.tomcat.TomcatWebServer  : Tomcat started on port(s): 8080 (http) with context path ''
2019-12-18 03:30:53.189  INFO 1 --- [           main] com.tomtom.flow.CamundaApplication       : Started CamundaApplication in 54.832 seconds (JVM running for 59.855)
2019-12-18 03:30:53.296  INFO 1 --- [           main] org.camunda.bpm.engine.jobexecutor       : ENGINE-14014 Starting up the JobExecutor[org.camunda.bpm.engine.spring.components.jobexecutor.SpringJobExecutor].
2019-12-18 03:30:53.316  INFO 1 --- [ingJobExecutor]] org.camunda.bpm.engine.jobexecutor       : ENGINE-14018 JobExecutor[org.camunda.bpm.engine.spring.components.jobexecutor.SpringJobExecutor] starting to acquire jobs
2019-12-18 03:31:03.420  INFO 1 --- [nio-8080-exec-9] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring DispatcherServlet 'dispatcherServlet'
2019-12-18 03:31:03.421  INFO 1 --- [nio-8080-exec-9] o.s.web.servlet.DispatcherServlet        : Initializing Servlet 'dispatcherServlet'
2019-12-18 03:31:03.500  INFO 1 --- [nio-8080-exec-9] o.s.web.servlet.DispatcherServlet        : Completed initialization in 79 ms
Warning: Nashorn engine is planned to be removed from a future JDK release
Warning: Nashorn engine is planned to be removed from a future JDK release
Warning: Nashorn engine is planned to be removed from a future JDK release
Warning: Nashorn engine is planned to be removed from a future JDK release
Warning: Nashorn engine is planned to be removed from a future JDK release
Warning: Nashorn engine is planned to be removed from a future JDK release
Warning: Nashorn engine is planned to be removed from a future JDK release
Warning: Nashorn engine is planned to be removed from a future JDK release
Warning: Nashorn engine is planned to be removed from a future JDK release
Warning: Nashorn engine is planned to be removed from a future JDK release
Warning: Nashorn engine is planned to be removed from a future JDK release
Warning: Nashorn engine is planned to be removed from a future JDK release
Warning: Nashorn engine is planned to be removed from a future JDK release
Warning: Nashorn engine is planned to be removed from a future JDK release
Warning: Nashorn engine is planned to be removed from a future JDK release
Warning: Nashorn engine is planned to be removed from a future JDK release
Warning: Nashorn engine is planned to be removed from a future JDK release
Warning: Nashorn engine is planned to be removed from a future JDK release
Warning: Nashorn engine is planned to be removed from a future JDK release
Warning: Nashorn engine is planned to be removed from a future JDK release
Warning: Nashorn engine is planned to be removed from a future JDK release
Warning: Nashorn engine is planned to be removed from a future JDK release
Warning: Nashorn engine is planned to be removed from a future JDK release
Warning: Nashorn engine is planned to be removed from a future JDK release
Warning: Nashorn engine is planned to be removed from a future JDK release
2019-12-18 08:32:54.505  WARN 1 --- [nio-8080-exec-6] o.glassfish.jersey.servlet.WebComponent  : A servlet request to the URI http://camunda-dev.workflow.maps-concept-development.amiefarm.com/api/admin/auth/user/default/login/welcome contains form parameters in the request body but the request body has been consumed by the servlet or a servlet filter accessing the request parameters. Only resource methods using @FormParam will work as expected. Resource methods consuming the request body by other means will not work as expected.
2019-12-18 08:47:17.618 ERROR 1 --- [nio-8080-exec-7] org.camunda.bpm.engine.context           : ENGINE-16004 Exception while closing command context: ENGINE-03083 Exception while executing Batch Database Operations with message '
### Error flushing statements.  Cause: org.apache.ibatis.executor.BatchExecutorException: org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.deleteExecution (batch index #10) failed. 9 prior sub executor(s) completed successfully, but will be rolled back. Cause: java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '3d820191-2172-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(3d820191-2172-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
### Cause: org.apache.ibatis.executor.BatchExecutorException: org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.deleteExecution (batch index #10) failed. 9 prior sub executor(s) completed successfully, but will be rolled back. Cause: java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '3d820191-2172-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(3d820191-2172-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '3d820191-2172-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(3d820191-2172-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
org.postgresql.util.PSQLException: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(3d820191-2172-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".
org.postgresql.util.PSQLException: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(3d820191-2172-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".
'. Flush summary: 
 [
  INSERT HistoricVariableInstanceEntity[feec03d7-2172-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableInstanceEntity[feec2ae9-2172-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableInstanceEntity[feec2aeb-2172-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableInstanceEntity[feec2aed-2172-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableUpdateEventEntity[feec2ae8-2172-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableUpdateEventEntity[feec2aea-2172-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableUpdateEventEntity[feec2aec-2172-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableUpdateEventEntity[feec2aee-2172-11ea-ae64-6297474a9cc6]
  INSERT HistoricExternalTaskLogEntity[feee26bf-2172-11ea-ae64-6297474a9cc6]
  INSERT HistoricExternalTaskLogEntity[fef13403-2172-11ea-ae64-6297474a9cc6]
  INSERT HistoricActivityInstanceEventEntity[Task_0slykjj:fef13401-2172-11ea-ae64-6297474a9cc6]
  INSERT ExecutionEntity[fef13400-2172-11ea-ae64-6297474a9cc6]
  INSERT VariableInstanceEntity[feec03d7-2172-11ea-ae64-6297474a9cc6]
  INSERT VariableInstanceEntity[feec2ae9-2172-11ea-ae64-6297474a9cc6]
  INSERT VariableInstanceEntity[feec2aeb-2172-11ea-ae64-6297474a9cc6]
  INSERT VariableInstanceEntity[feec2aed-2172-11ea-ae64-6297474a9cc6]
  INSERT ExternalTaskEntity[fef13402-2172-11ea-ae64-6297474a9cc6]
  DELETE ExternalTaskEntity[3d820193-2172-11ea-ae64-6297474a9cc6]
  UPDATE ExecutionEntity[fd4e6ba3-2170-11ea-a57f-bead4740b828]
  DELETE ExecutionEntity[3d820191-2172-11ea-ae64-6297474a9cc6]
  UPDATE HistoricActivityInstanceEventEntity[Task_1ywtn7a:3d820192-2172-11ea-ae64-6297474a9cc6]
]

org.camunda.bpm.engine.ProcessEngineException: ENGINE-03083 Exception while executing Batch Database Operations with message '
### Error flushing statements.  Cause: org.apache.ibatis.executor.BatchExecutorException: org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.deleteExecution (batch index #10) failed. 9 prior sub executor(s) completed successfully, but will be rolled back. Cause: java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '3d820191-2172-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(3d820191-2172-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
### Cause: org.apache.ibatis.executor.BatchExecutorException: org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.deleteExecution (batch index #10) failed. 9 prior sub executor(s) completed successfully, but will be rolled back. Cause: java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '3d820191-2172-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(3d820191-2172-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '3d820191-2172-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(3d820191-2172-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
org.postgresql.util.PSQLException: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(3d820191-2172-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".
org.postgresql.util.PSQLException: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(3d820191-2172-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".
'. Flush summary: 
 [
  INSERT HistoricVariableInstanceEntity[feec03d7-2172-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableInstanceEntity[feec2ae9-2172-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableInstanceEntity[feec2aeb-2172-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableInstanceEntity[feec2aed-2172-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableUpdateEventEntity[feec2ae8-2172-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableUpdateEventEntity[feec2aea-2172-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableUpdateEventEntity[feec2aec-2172-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableUpdateEventEntity[feec2aee-2172-11ea-ae64-6297474a9cc6]
  INSERT HistoricExternalTaskLogEntity[feee26bf-2172-11ea-ae64-6297474a9cc6]
  INSERT HistoricExternalTaskLogEntity[fef13403-2172-11ea-ae64-6297474a9cc6]
  INSERT HistoricActivityInstanceEventEntity[Task_0slykjj:fef13401-2172-11ea-ae64-6297474a9cc6]
  INSERT ExecutionEntity[fef13400-2172-11ea-ae64-6297474a9cc6]
  INSERT VariableInstanceEntity[feec03d7-2172-11ea-ae64-6297474a9cc6]
  INSERT VariableInstanceEntity[feec2ae9-2172-11ea-ae64-6297474a9cc6]
  INSERT VariableInstanceEntity[feec2aeb-2172-11ea-ae64-6297474a9cc6]
  INSERT VariableInstanceEntity[feec2aed-2172-11ea-ae64-6297474a9cc6]
  INSERT ExternalTaskEntity[fef13402-2172-11ea-ae64-6297474a9cc6]
  DELETE ExternalTaskEntity[3d820193-2172-11ea-ae64-6297474a9cc6]
  UPDATE ExecutionEntity[fd4e6ba3-2170-11ea-a57f-bead4740b828]
  DELETE ExecutionEntity[3d820191-2172-11ea-ae64-6297474a9cc6]
  UPDATE HistoricActivityInstanceEventEntity[Task_1ywtn7a:3d820192-2172-11ea-ae64-6297474a9cc6]
]
	at org.camunda.bpm.engine.impl.db.EnginePersistenceLogger.flushDbOperationsException(EnginePersistenceLogger.java:693) ~[camunda-engine-7.11.0.jar!/:7.11.0]
	at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flushDbOperations(DbEntityManager.java:362) ~[camunda-engine-7.11.0.jar!/:7.11.0]
	at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flushDbOperationManager(DbEntityManager.java:325) ~[camunda-engine-7.11.0.jar!/:7.11.0]
	at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flush(DbEntityManager.java:297) ~[camunda-engine-7.11.0.jar!/:7.11.0]
	at org.camunda.bpm.engine.impl.interceptor.CommandContext.flushSessions(CommandContext.java:208) ~[camunda-engine-7.11.0.jar!/:7.11.0]
	at org.camunda.bpm.engine.impl.interceptor.CommandContext.close(CommandContext.java:137) ~[camunda-engine-7.11.0.jar!/:7.11.0]
	at org.camunda.bpm.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:116) ~[camunda-engine-7.11.0.jar!/:7.11.0]
	at org.camunda.bpm.engine.spring.SpringTransactionInterceptor$1.doInTransaction(SpringTransactionInterceptor.java:46) ~[camunda-engine-spring-7.11.0.jar!/:7.11.0]
	at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:140) ~[spring-tx-5.1.7.RELEASE.jar!/:5.1.7.RELEASE]
	at org.camunda.bpm.engine.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:44) ~[camunda-engine-spring-7.11.0.jar!/:7.11.0]
	at org.camunda.bpm.engine.impl.interceptor.ProcessApplicationContextInterceptor.execute(ProcessApplicationContextInterceptor.java:70) ~[camunda-engine-7.11.0.jar!/:7.11.0]
	at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33) ~[camunda-engine-7.11.0.jar!/:7.11.0]
	at org.camunda.bpm.engine.impl.ExternalTaskServiceImpl.complete(ExternalTaskServiceImpl.java:56) ~[camunda-engine-7.11.0.jar!/:7.11.0]
	at org.camunda.bpm.engine.rest.sub.externaltask.impl.ExternalTaskResourceImpl.complete(ExternalTaskResourceImpl.java:118) ~[camunda-engine-rest-core-7.11.0.jar!/:7.11.0]
	at jdk.internal.reflect.GeneratedMethodAccessor368.invoke(Unknown Source) ~[na:na]
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
	at java.base/java.lang.reflect.Method.invoke(Method.java:566) ~[na:na]
	at org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory.lambda$static$0(ResourceMethodInvocationHandlerFactory.java:76) ~[jersey-server-2.27.jar!/:na]
	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:148) ~[jersey-server-2.27.jar!/:na]
	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:191) ~[jersey-server-2.27.jar!/:na]
	at org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$VoidOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:183) ~[jersey-server-2.27.jar!/:na]
	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:103) ~[jersey-server-2.27.jar!/:na]
	at org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:493) ~[jersey-server-2.27.jar!/:na]
	at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:415) ~[jersey-server-2.27.jar!/:na]
	at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:104) ~[jersey-server-2.27.jar!/:na]
	at org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:277) ~[jersey-server-2.27.jar!/:na]
	at org.glassfish.jersey.internal.Errors$1.call(Errors.java:272) ~[jersey-common-2.27.jar!/:na]
	at org.glassfish.jersey.internal.Errors$1.call(Errors.java:268) ~[jersey-common-2.27.jar!/:na]
	at org.glassfish.jersey.internal.Errors.process(Errors.java:316) ~[jersey-common-2.27.jar!/:na]
	at org.glassfish.jersey.internal.Errors.process(Errors.java:298) ~[jersey-common-2.27.jar!/:na]
	at org.glassfish.jersey.internal.Errors.process(Errors.java:268) ~[jersey-common-2.27.jar!/:na]
	at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:289) ~[jersey-common-2.27.jar!/:na]
	at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:256) ~[jersey-server-2.27.jar!/:na]
	at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:703) ~[jersey-server-2.27.jar!/:na]
	at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:416) ~[jersey-container-servlet-core-2.27.jar!/:na]
	at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:370) ~[jersey-container-servlet-core-2.27.jar!/:na]
	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:389) ~[jersey-container-servlet-core-2.27.jar!/:na]
	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:342) ~[jersey-container-servlet-core-2.27.jar!/:na]
	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:229) ~[jersey-container-servlet-core-2.27.jar!/:na]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[tomcat-embed-websocket-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.camunda.bpm.engine.rest.filter.CacheControlFilter.doFilter(CacheControlFilter.java:45) ~[camunda-engine-rest-core-7.11.0.jar!/:7.11.0]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.camunda.bpm.engine.rest.filter.EmptyBodyFilter.doFilter(EmptyBodyFilter.java:99) ~[camunda-engine-rest-core-7.11.0.jar!/:7.11.0]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.springframework.boot.actuate.web.trace.servlet.HttpTraceFilter.doFilterInternal(HttpTraceFilter.java:90) ~[spring-boot-actuator-2.1.5.RELEASE.jar!/:2.1.5.RELEASE]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-5.1.7.RELEASE.jar!/:5.1.7.RELEASE]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) ~[spring-web-5.1.7.RELEASE.jar!/:5.1.7.RELEASE]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-5.1.7.RELEASE.jar!/:5.1.7.RELEASE]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92) ~[spring-web-5.1.7.RELEASE.jar!/:5.1.7.RELEASE]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-5.1.7.RELEASE.jar!/:5.1.7.RELEASE]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93) ~[spring-web-5.1.7.RELEASE.jar!/:5.1.7.RELEASE]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-5.1.7.RELEASE.jar!/:5.1.7.RELEASE]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.filterAndRecordMetrics(WebMvcMetricsFilter.java:117) ~[spring-boot-actuator-2.1.5.RELEASE.jar!/:2.1.5.RELEASE]
	at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.doFilterInternal(WebMvcMetricsFilter.java:106) ~[spring-boot-actuator-2.1.5.RELEASE.jar!/:2.1.5.RELEASE]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-5.1.7.RELEASE.jar!/:5.1.7.RELEASE]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200) ~[spring-web-5.1.7.RELEASE.jar!/:5.1.7.RELEASE]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-5.1.7.RELEASE.jar!/:5.1.7.RELEASE]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:836) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1747) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) ~[na:na]
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) ~[na:na]
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at java.base/java.lang.Thread.run(Thread.java:834) ~[na:na]
Caused by: org.apache.ibatis.exceptions.PersistenceException: 
### Error flushing statements.  Cause: org.apache.ibatis.executor.BatchExecutorException: org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.deleteExecution (batch index #10) failed. 9 prior sub executor(s) completed successfully, but will be rolled back. Cause: java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '3d820191-2172-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(3d820191-2172-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
### Cause: org.apache.ibatis.executor.BatchExecutorException: org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.deleteExecution (batch index #10) failed. 9 prior sub executor(s) completed successfully, but will be rolled back. Cause: java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '3d820191-2172-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(3d820191-2172-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
	at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30) ~[mybatis-3.4.4.jar!/:3.4.4]
	at org.apache.ibatis.session.defaults.DefaultSqlSession.flushStatements(DefaultSqlSession.java:255) ~[mybatis-3.4.4.jar!/:3.4.4]
	at org.camunda.bpm.engine.impl.db.sql.DbSqlSession.flushOperations(DbSqlSession.java:90) ~[camunda-engine-7.11.0.jar!/:7.11.0]
	at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flushDbOperations(DbEntityManager.java:357) ~[camunda-engine-7.11.0.jar!/:7.11.0]
	... 89 common frames omitted
Caused by: org.apache.ibatis.executor.BatchExecutorException: org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.deleteExecution (batch index #10) failed. 9 prior sub executor(s) completed successfully, but will be rolled back. Cause: java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '3d820191-2172-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(3d820191-2172-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
	at org.apache.ibatis.executor.BatchExecutor.doFlushStatements(BatchExecutor.java:146) ~[mybatis-3.4.4.jar!/:3.4.4]
	at org.apache.ibatis.executor.BaseExecutor.flushStatements(BaseExecutor.java:129) ~[mybatis-3.4.4.jar!/:3.4.4]
	at org.apache.ibatis.executor.BaseExecutor.flushStatements(BaseExecutor.java:122) ~[mybatis-3.4.4.jar!/:3.4.4]
	at org.apache.ibatis.executor.CachingExecutor.flushStatements(CachingExecutor.java:114) ~[mybatis-3.4.4.jar!/:3.4.4]
	at org.apache.ibatis.session.defaults.DefaultSqlSession.flushStatements(DefaultSqlSession.java:253) ~[mybatis-3.4.4.jar!/:3.4.4]
	... 91 common frames omitted
Caused by: java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '3d820191-2172-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(3d820191-2172-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
	at org.postgresql.jdbc.BatchResultHandler.handleError(BatchResultHandler.java:148) ~[postgresql-42.2.5.jar!/:42.2.5]
	at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2184) ~[postgresql-42.2.5.jar!/:42.2.5]
	at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:481) ~[postgresql-42.2.5.jar!/:42.2.5]
	at org.postgresql.jdbc.PgStatement.executeBatch(PgStatement.java:840) ~[postgresql-42.2.5.jar!/:42.2.5]
	at org.postgresql.jdbc.PgPreparedStatement.executeBatch(PgPreparedStatement.java:1538) ~[postgresql-42.2.5.jar!/:42.2.5]
	at com.zaxxer.hikari.pool.ProxyStatement.executeBatch(ProxyStatement.java:128) ~[HikariCP-3.2.0.jar!/:na]
	at com.zaxxer.hikari.pool.HikariProxyPreparedStatement.executeBatch(HikariProxyPreparedStatement.java) ~[HikariCP-3.2.0.jar!/:na]
	at org.apache.ibatis.executor.BatchExecutor.doFlushStatements(BatchExecutor.java:122) ~[mybatis-3.4.4.jar!/:3.4.4]
	... 95 common frames omitted
Caused by: org.postgresql.util.PSQLException: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(3d820191-2172-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".
	at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2440) ~[postgresql-42.2.5.jar!/:42.2.5]
	at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2183) ~[postgresql-42.2.5.jar!/:42.2.5]
	... 101 common frames omitted

2019-12-18 08:47:17.635  WARN 1 --- [nio-8080-exec-7] ExceptionHandler                         : org.camunda.bpm.engine.ProcessEngineException: ENGINE-03083 Exception while executing Batch Database Operations with message '
### Error flushing statements.  Cause: org.apache.ibatis.executor.BatchExecutorException: org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.deleteExecution (batch index #10) failed. 9 prior sub executor(s) completed successfully, but will be rolled back. Cause: java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '3d820191-2172-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(3d820191-2172-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
### Cause: org.apache.ibatis.executor.BatchExecutorException: org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.deleteExecution (batch index #10) failed. 9 prior sub executor(s) completed successfully, but will be rolled back. Cause: java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '3d820191-2172-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(3d820191-2172-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '3d820191-2172-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(3d820191-2172-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
org.postgresql.util.PSQLException: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(3d820191-2172-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".
org.postgresql.util.PSQLException: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(3d820191-2172-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".
'. Flush summary: 
 [
  INSERT HistoricVariableInstanceEntity[feec03d7-2172-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableInstanceEntity[feec2ae9-2172-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableInstanceEntity[feec2aeb-2172-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableInstanceEntity[feec2aed-2172-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableUpdateEventEntity[feec2ae8-2172-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableUpdateEventEntity[feec2aea-2172-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableUpdateEventEntity[feec2aec-2172-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableUpdateEventEntity[feec2aee-2172-11ea-ae64-6297474a9cc6]
  INSERT HistoricExternalTaskLogEntity[feee26bf-2172-11ea-ae64-6297474a9cc6]
  INSERT HistoricExternalTaskLogEntity[fef13403-2172-11ea-ae64-6297474a9cc6]
  INSERT HistoricActivityInstanceEventEntity[Task_0slykjj:fef13401-2172-11ea-ae64-6297474a9cc6]
  INSERT ExecutionEntity[fef13400-2172-11ea-ae64-6297474a9cc6]
  INSERT VariableInstanceEntity[feec03d7-2172-11ea-ae64-6297474a9cc6]
  INSERT VariableInstanceEntity[feec2ae9-2172-11ea-ae64-6297474a9cc6]
  INSERT VariableInstanceEntity[feec2aeb-2172-11ea-ae64-6297474a9cc6]
  INSERT VariableInstanceEntity[feec2aed-2172-11ea-ae64-6297474a9cc6]
  INSERT ExternalTaskEntity[fef13402-2172-11ea-ae64-6297474a9cc6]
  DELETE ExternalTaskEntity[3d820193-2172-11ea-ae64-6297474a9cc6]
  UPDATE ExecutionEntity[fd4e6ba3-2170-11ea-a57f-bead4740b828]
  DELETE ExecutionEntity[3d820191-2172-11ea-ae64-6297474a9cc6]
  UPDATE HistoricActivityInstanceEventEntity[Task_1ywtn7a:3d820192-2172-11ea-ae64-6297474a9cc6]
]
	at org.camunda.bpm.engine.impl.db.EnginePersistenceLogger.flushDbOperationsException(EnginePersistenceLogger.java:693)
	at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flushDbOperations(DbEntityManager.java:362)
	at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flushDbOperationManager(DbEntityManager.java:325)
	at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flush(DbEntityManager.java:297)
	at org.camunda.bpm.engine.impl.interceptor.CommandContext.flushSessions(CommandContext.java:208)
	at org.camunda.bpm.engine.impl.interceptor.CommandContext.close(CommandContext.java:137)
	at org.camunda.bpm.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:116)
	at org.camunda.bpm.engine.spring.SpringTransactionInterceptor$1.doInTransaction(SpringTransactionInterceptor.java:46)
	at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:140)
	at org.camunda.bpm.engine.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:44)
	at org.camunda.bpm.engine.impl.interceptor.ProcessApplicationContextInterceptor.execute(ProcessApplicationContextInterceptor.java:70)
	at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33)
	at org.camunda.bpm.engine.impl.ExternalTaskServiceImpl.complete(ExternalTaskServiceImpl.java:56)
	at org.camunda.bpm.engine.rest.sub.externaltask.impl.ExternalTaskResourceImpl.complete(ExternalTaskResourceImpl.java:118)
	at jdk.internal.reflect.GeneratedMethodAccessor368.invoke(Unknown Source)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
	at org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory.lambda$static$0(ResourceMethodInvocationHandlerFactory.java:76)
	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:148)
	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:191)
	at org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$VoidOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:183)
	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:103)
	at org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:493)
	at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:415)
	at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:104)
	at org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:277)
	at org.glassfish.jersey.internal.Errors$1.call(Errors.java:272)
	at org.glassfish.jersey.internal.Errors$1.call(Errors.java:268)
	at org.glassfish.jersey.internal.Errors.process(Errors.java:316)
	at org.glassfish.jersey.internal.Errors.process(Errors.java:298)
	at org.glassfish.jersey.internal.Errors.process(Errors.java:268)
	at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:289)
	at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:256)
	at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:703)
	at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:416)
	at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:370)
	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:389)
	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:342)
	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:229)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.camunda.bpm.engine.rest.filter.CacheControlFilter.doFilter(CacheControlFilter.java:45)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.camunda.bpm.engine.rest.filter.EmptyBodyFilter.doFilter(EmptyBodyFilter.java:99)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.boot.actuate.web.trace.servlet.HttpTraceFilter.doFilterInternal(HttpTraceFilter.java:90)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.filterAndRecordMetrics(WebMvcMetricsFilter.java:117)
	at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.doFilterInternal(WebMvcMetricsFilter.java:106)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:836)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1747)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: org.apache.ibatis.exceptions.PersistenceException: 
### Error flushing statements.  Cause: org.apache.ibatis.executor.BatchExecutorException: org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.deleteExecution (batch index #10) failed. 9 prior sub executor(s) completed successfully, but will be rolled back. Cause: java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '3d820191-2172-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(3d820191-2172-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
### Cause: org.apache.ibatis.executor.BatchExecutorException: org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.deleteExecution (batch index #10) failed. 9 prior sub executor(s) completed successfully, but will be rolled back. Cause: java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '3d820191-2172-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(3d820191-2172-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
	at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)
	at org.apache.ibatis.session.defaults.DefaultSqlSession.flushStatements(DefaultSqlSession.java:255)
	at org.camunda.bpm.engine.impl.db.sql.DbSqlSession.flushOperations(DbSqlSession.java:90)
	at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flushDbOperations(DbEntityManager.java:357)
	... 89 more
Caused by: org.apache.ibatis.executor.BatchExecutorException: org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.deleteExecution (batch index #10) failed. 9 prior sub executor(s) completed successfully, but will be rolled back. Cause: java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '3d820191-2172-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(3d820191-2172-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
	at org.apache.ibatis.executor.BatchExecutor.doFlushStatements(BatchExecutor.java:146)
	at org.apache.ibatis.executor.BaseExecutor.flushStatements(BaseExecutor.java:129)
	at org.apache.ibatis.executor.BaseExecutor.flushStatements(BaseExecutor.java:122)
	at org.apache.ibatis.executor.CachingExecutor.flushStatements(CachingExecutor.java:114)
	at org.apache.ibatis.session.defaults.DefaultSqlSession.flushStatements(DefaultSqlSession.java:253)
	... 91 more
Caused by: java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '3d820191-2172-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(3d820191-2172-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
	at org.postgresql.jdbc.BatchResultHandler.handleError(BatchResultHandler.java:148)
	at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2184)
	at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:481)
	at org.postgresql.jdbc.PgStatement.executeBatch(PgStatement.java:840)
	at org.postgresql.jdbc.PgPreparedStatement.executeBatch(PgPreparedStatement.java:1538)
	at com.zaxxer.hikari.pool.ProxyStatement.executeBatch(ProxyStatement.java:128)
	at com.zaxxer.hikari.pool.HikariProxyPreparedStatement.executeBatch(HikariProxyPreparedStatement.java)
	at org.apache.ibatis.executor.BatchExecutor.doFlushStatements(BatchExecutor.java:122)
	... 95 more
Caused by: org.postgresql.util.PSQLException: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(3d820191-2172-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".
	at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2440)
	at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2183)
	... 101 more

2019-12-18 08:48:22.271  WARN 1 --- [nio-8080-exec-1] ExceptionHandler                         : org.camunda.bpm.engine.rest.exception.RestException: Cannot extend a lock that expired: lockExpirationTime is not greater than or equal to 1576658902252
	at org.camunda.bpm.engine.rest.sub.externaltask.impl.ExternalTaskResourceImpl.extendLock(ExternalTaskResourceImpl.java:178)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
	at org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory.lambda$static$0(ResourceMethodInvocationHandlerFactory.java:76)
	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:148)
	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:191)
	at org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$VoidOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:183)
	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:103)
	at org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:493)
	at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:415)
	at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:104)
	at org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:277)
	at org.glassfish.jersey.internal.Errors$1.call(Errors.java:272)
	at org.glassfish.jersey.internal.Errors$1.call(Errors.java:268)
	at org.glassfish.jersey.internal.Errors.process(Errors.java:316)
	at org.glassfish.jersey.internal.Errors.process(Errors.java:298)
	at org.glassfish.jersey.internal.Errors.process(Errors.java:268)
	at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:289)
	at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:256)
	at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:703)
	at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:416)
	at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:370)
	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:389)
	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:342)
	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:229)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.camunda.bpm.engine.rest.filter.CacheControlFilter.doFilter(CacheControlFilter.java:45)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.camunda.bpm.engine.rest.filter.EmptyBodyFilter.doFilter(EmptyBodyFilter.java:99)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.boot.actuate.web.trace.servlet.HttpTraceFilter.doFilterInternal(HttpTraceFilter.java:90)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.filterAndRecordMetrics(WebMvcMetricsFilter.java:117)
	at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.doFilterInternal(WebMvcMetricsFilter.java:106)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:836)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1747)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: org.camunda.bpm.engine.BadUserRequestException: Cannot extend a lock that expired: lockExpirationTime is not greater than or equal to 1576658902252
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
	at org.camunda.bpm.engine.impl.util.EnsureUtil.generateException(EnsureUtil.java:381)
	at org.camunda.bpm.engine.impl.util.EnsureUtil.ensureGreaterThanOrEqual(EnsureUtil.java:192)
	at org.camunda.bpm.engine.impl.cmd.ExtendLockOnExternalTaskCmd.execute(ExtendLockOnExternalTaskCmd.java:46)
	at org.camunda.bpm.engine.impl.cmd.HandleExternalTaskCmd.execute(HandleExternalTaskCmd.java:59)
	at org.camunda.bpm.engine.impl.cmd.HandleExternalTaskCmd.execute(HandleExternalTaskCmd.java:31)
	at org.camunda.bpm.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:28)
	at org.camunda.bpm.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:107)
	at org.camunda.bpm.engine.spring.SpringTransactionInterceptor$1.doInTransaction(SpringTransactionInterceptor.java:46)
	at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:140)
	at org.camunda.bpm.engine.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:44)
	at org.camunda.bpm.engine.impl.interceptor.ProcessApplicationContextInterceptor.execute(ProcessApplicationContextInterceptor.java:70)
	at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33)
	at org.camunda.bpm.engine.impl.ExternalTaskServiceImpl.extendLock(ExternalTaskServiceImpl.java:126)
	at org.camunda.bpm.engine.rest.sub.externaltask.impl.ExternalTaskResourceImpl.extendLock(ExternalTaskResourceImpl.java:174)
	... 78 more

2019-12-18 08:49:34.317 ERROR 1 --- [io-8080-exec-10] org.camunda.bpm.engine.context           : ENGINE-16004 Exception while closing command context: ENGINE-03083 Exception while executing Batch Database Operations with message '
### Error flushing statements.  Cause: org.apache.ibatis.executor.BatchExecutorException: org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.deleteExecution (batch index #10) failed. 9 prior sub executor(s) completed successfully, but will be rolled back. Cause: java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '54d94e8d-2171-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(54d94e8d-2171-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
### Cause: org.apache.ibatis.executor.BatchExecutorException: org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.deleteExecution (batch index #10) failed. 9 prior sub executor(s) completed successfully, but will be rolled back. Cause: java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '54d94e8d-2171-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(54d94e8d-2171-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '54d94e8d-2171-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(54d94e8d-2171-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
org.postgresql.util.PSQLException: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(54d94e8d-2171-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".
org.postgresql.util.PSQLException: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(54d94e8d-2171-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".
'. Flush summary: 
 [
  INSERT HistoricVariableInstanceEntity[506986b6-2173-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableInstanceEntity[506986b8-2173-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableInstanceEntity[506986ba-2173-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableInstanceEntity[506986bc-2173-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableUpdateEventEntity[506986b7-2173-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableUpdateEventEntity[506986b9-2173-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableUpdateEventEntity[506986bb-2173-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableUpdateEventEntity[506986bd-2173-11ea-ae64-6297474a9cc6]
  INSERT HistoricExternalTaskLogEntity[5069fbee-2173-11ea-ae64-6297474a9cc6]
  INSERT HistoricExternalTaskLogEntity[506d3042-2173-11ea-ae64-6297474a9cc6]
  INSERT HistoricActivityInstanceEventEntity[Task_0slykjj:506d3040-2173-11ea-ae64-6297474a9cc6]
  INSERT ExecutionEntity[506d303f-2173-11ea-ae64-6297474a9cc6]
  INSERT VariableInstanceEntity[506986b6-2173-11ea-ae64-6297474a9cc6]
  INSERT VariableInstanceEntity[506986b8-2173-11ea-ae64-6297474a9cc6]
  INSERT VariableInstanceEntity[506986ba-2173-11ea-ae64-6297474a9cc6]
  INSERT VariableInstanceEntity[506986bc-2173-11ea-ae64-6297474a9cc6]
  INSERT ExternalTaskEntity[506d3041-2173-11ea-ae64-6297474a9cc6]
  DELETE ExternalTaskEntity[54d94e8f-2171-11ea-ae64-6297474a9cc6]
  UPDATE ExecutionEntity[cf72278d-2170-11ea-a57f-bead4740b828]
  DELETE ExecutionEntity[54d94e8d-2171-11ea-ae64-6297474a9cc6]
  UPDATE HistoricActivityInstanceEventEntity[Task_1ywtn7a:54d94e8e-2171-11ea-ae64-6297474a9cc6]
]

org.camunda.bpm.engine.ProcessEngineException: ENGINE-03083 Exception while executing Batch Database Operations with message '
### Error flushing statements.  Cause: org.apache.ibatis.executor.BatchExecutorException: org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.deleteExecution (batch index #10) failed. 9 prior sub executor(s) completed successfully, but will be rolled back. Cause: java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '54d94e8d-2171-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(54d94e8d-2171-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
### Cause: org.apache.ibatis.executor.BatchExecutorException: org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.deleteExecution (batch index #10) failed. 9 prior sub executor(s) completed successfully, but will be rolled back. Cause: java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '54d94e8d-2171-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(54d94e8d-2171-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '54d94e8d-2171-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(54d94e8d-2171-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
org.postgresql.util.PSQLException: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(54d94e8d-2171-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".
org.postgresql.util.PSQLException: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(54d94e8d-2171-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".
'. Flush summary: 
 [
  INSERT HistoricVariableInstanceEntity[506986b6-2173-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableInstanceEntity[506986b8-2173-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableInstanceEntity[506986ba-2173-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableInstanceEntity[506986bc-2173-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableUpdateEventEntity[506986b7-2173-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableUpdateEventEntity[506986b9-2173-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableUpdateEventEntity[506986bb-2173-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableUpdateEventEntity[506986bd-2173-11ea-ae64-6297474a9cc6]
  INSERT HistoricExternalTaskLogEntity[5069fbee-2173-11ea-ae64-6297474a9cc6]
  INSERT HistoricExternalTaskLogEntity[506d3042-2173-11ea-ae64-6297474a9cc6]
  INSERT HistoricActivityInstanceEventEntity[Task_0slykjj:506d3040-2173-11ea-ae64-6297474a9cc6]
  INSERT ExecutionEntity[506d303f-2173-11ea-ae64-6297474a9cc6]
  INSERT VariableInstanceEntity[506986b6-2173-11ea-ae64-6297474a9cc6]
  INSERT VariableInstanceEntity[506986b8-2173-11ea-ae64-6297474a9cc6]
  INSERT VariableInstanceEntity[506986ba-2173-11ea-ae64-6297474a9cc6]
  INSERT VariableInstanceEntity[506986bc-2173-11ea-ae64-6297474a9cc6]
  INSERT ExternalTaskEntity[506d3041-2173-11ea-ae64-6297474a9cc6]
  DELETE ExternalTaskEntity[54d94e8f-2171-11ea-ae64-6297474a9cc6]
  UPDATE ExecutionEntity[cf72278d-2170-11ea-a57f-bead4740b828]
  DELETE ExecutionEntity[54d94e8d-2171-11ea-ae64-6297474a9cc6]
  UPDATE HistoricActivityInstanceEventEntity[Task_1ywtn7a:54d94e8e-2171-11ea-ae64-6297474a9cc6]
]
	at org.camunda.bpm.engine.impl.db.EnginePersistenceLogger.flushDbOperationsException(EnginePersistenceLogger.java:693) ~[camunda-engine-7.11.0.jar!/:7.11.0]
	at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flushDbOperations(DbEntityManager.java:362) ~[camunda-engine-7.11.0.jar!/:7.11.0]
	at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flushDbOperationManager(DbEntityManager.java:325) ~[camunda-engine-7.11.0.jar!/:7.11.0]
	at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flush(DbEntityManager.java:297) ~[camunda-engine-7.11.0.jar!/:7.11.0]
	at org.camunda.bpm.engine.impl.interceptor.CommandContext.flushSessions(CommandContext.java:208) ~[camunda-engine-7.11.0.jar!/:7.11.0]
	at org.camunda.bpm.engine.impl.interceptor.CommandContext.close(CommandContext.java:137) ~[camunda-engine-7.11.0.jar!/:7.11.0]
	at org.camunda.bpm.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:116) ~[camunda-engine-7.11.0.jar!/:7.11.0]
	at org.camunda.bpm.engine.spring.SpringTransactionInterceptor$1.doInTransaction(SpringTransactionInterceptor.java:46) ~[camunda-engine-spring-7.11.0.jar!/:7.11.0]
	at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:140) ~[spring-tx-5.1.7.RELEASE.jar!/:5.1.7.RELEASE]
	at org.camunda.bpm.engine.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:44) ~[camunda-engine-spring-7.11.0.jar!/:7.11.0]
	at org.camunda.bpm.engine.impl.interceptor.ProcessApplicationContextInterceptor.execute(ProcessApplicationContextInterceptor.java:70) ~[camunda-engine-7.11.0.jar!/:7.11.0]
	at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33) ~[camunda-engine-7.11.0.jar!/:7.11.0]
	at org.camunda.bpm.engine.impl.ExternalTaskServiceImpl.complete(ExternalTaskServiceImpl.java:56) ~[camunda-engine-7.11.0.jar!/:7.11.0]
	at org.camunda.bpm.engine.rest.sub.externaltask.impl.ExternalTaskResourceImpl.complete(ExternalTaskResourceImpl.java:118) ~[camunda-engine-rest-core-7.11.0.jar!/:7.11.0]
	at jdk.internal.reflect.GeneratedMethodAccessor368.invoke(Unknown Source) ~[na:na]
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
	at java.base/java.lang.reflect.Method.invoke(Method.java:566) ~[na:na]
	at org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory.lambda$static$0(ResourceMethodInvocationHandlerFactory.java:76) ~[jersey-server-2.27.jar!/:na]
	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:148) ~[jersey-server-2.27.jar!/:na]
	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:191) ~[jersey-server-2.27.jar!/:na]
	at org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$VoidOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:183) ~[jersey-server-2.27.jar!/:na]
	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:103) ~[jersey-server-2.27.jar!/:na]
	at org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:493) ~[jersey-server-2.27.jar!/:na]
	at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:415) ~[jersey-server-2.27.jar!/:na]
	at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:104) ~[jersey-server-2.27.jar!/:na]
	at org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:277) ~[jersey-server-2.27.jar!/:na]
	at org.glassfish.jersey.internal.Errors$1.call(Errors.java:272) ~[jersey-common-2.27.jar!/:na]
	at org.glassfish.jersey.internal.Errors$1.call(Errors.java:268) ~[jersey-common-2.27.jar!/:na]
	at org.glassfish.jersey.internal.Errors.process(Errors.java:316) ~[jersey-common-2.27.jar!/:na]
	at org.glassfish.jersey.internal.Errors.process(Errors.java:298) ~[jersey-common-2.27.jar!/:na]
	at org.glassfish.jersey.internal.Errors.process(Errors.java:268) ~[jersey-common-2.27.jar!/:na]
	at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:289) ~[jersey-common-2.27.jar!/:na]
	at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:256) ~[jersey-server-2.27.jar!/:na]
	at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:703) ~[jersey-server-2.27.jar!/:na]
	at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:416) ~[jersey-container-servlet-core-2.27.jar!/:na]
	at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:370) ~[jersey-container-servlet-core-2.27.jar!/:na]
	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:389) ~[jersey-container-servlet-core-2.27.jar!/:na]
	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:342) ~[jersey-container-servlet-core-2.27.jar!/:na]
	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:229) ~[jersey-container-servlet-core-2.27.jar!/:na]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[tomcat-embed-websocket-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.camunda.bpm.engine.rest.filter.CacheControlFilter.doFilter(CacheControlFilter.java:45) ~[camunda-engine-rest-core-7.11.0.jar!/:7.11.0]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.camunda.bpm.engine.rest.filter.EmptyBodyFilter.doFilter(EmptyBodyFilter.java:99) ~[camunda-engine-rest-core-7.11.0.jar!/:7.11.0]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.springframework.boot.actuate.web.trace.servlet.HttpTraceFilter.doFilterInternal(HttpTraceFilter.java:90) ~[spring-boot-actuator-2.1.5.RELEASE.jar!/:2.1.5.RELEASE]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-5.1.7.RELEASE.jar!/:5.1.7.RELEASE]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) ~[spring-web-5.1.7.RELEASE.jar!/:5.1.7.RELEASE]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-5.1.7.RELEASE.jar!/:5.1.7.RELEASE]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92) ~[spring-web-5.1.7.RELEASE.jar!/:5.1.7.RELEASE]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-5.1.7.RELEASE.jar!/:5.1.7.RELEASE]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93) ~[spring-web-5.1.7.RELEASE.jar!/:5.1.7.RELEASE]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-5.1.7.RELEASE.jar!/:5.1.7.RELEASE]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.filterAndRecordMetrics(WebMvcMetricsFilter.java:117) ~[spring-boot-actuator-2.1.5.RELEASE.jar!/:2.1.5.RELEASE]
	at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.doFilterInternal(WebMvcMetricsFilter.java:106) ~[spring-boot-actuator-2.1.5.RELEASE.jar!/:2.1.5.RELEASE]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-5.1.7.RELEASE.jar!/:5.1.7.RELEASE]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200) ~[spring-web-5.1.7.RELEASE.jar!/:5.1.7.RELEASE]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-5.1.7.RELEASE.jar!/:5.1.7.RELEASE]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:836) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1747) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) ~[na:na]
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) ~[na:na]
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-9.0.19.jar!/:9.0.19]
	at java.base/java.lang.Thread.run(Thread.java:834) ~[na:na]
Caused by: org.apache.ibatis.exceptions.PersistenceException: 
### Error flushing statements.  Cause: org.apache.ibatis.executor.BatchExecutorException: org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.deleteExecution (batch index #10) failed. 9 prior sub executor(s) completed successfully, but will be rolled back. Cause: java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '54d94e8d-2171-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(54d94e8d-2171-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
### Cause: org.apache.ibatis.executor.BatchExecutorException: org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.deleteExecution (batch index #10) failed. 9 prior sub executor(s) completed successfully, but will be rolled back. Cause: java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '54d94e8d-2171-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(54d94e8d-2171-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
	at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30) ~[mybatis-3.4.4.jar!/:3.4.4]
	at org.apache.ibatis.session.defaults.DefaultSqlSession.flushStatements(DefaultSqlSession.java:255) ~[mybatis-3.4.4.jar!/:3.4.4]
	at org.camunda.bpm.engine.impl.db.sql.DbSqlSession.flushOperations(DbSqlSession.java:90) ~[camunda-engine-7.11.0.jar!/:7.11.0]
	at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flushDbOperations(DbEntityManager.java:357) ~[camunda-engine-7.11.0.jar!/:7.11.0]
	... 89 common frames omitted
Caused by: org.apache.ibatis.executor.BatchExecutorException: org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.deleteExecution (batch index #10) failed. 9 prior sub executor(s) completed successfully, but will be rolled back. Cause: java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '54d94e8d-2171-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(54d94e8d-2171-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
	at org.apache.ibatis.executor.BatchExecutor.doFlushStatements(BatchExecutor.java:146) ~[mybatis-3.4.4.jar!/:3.4.4]
	at org.apache.ibatis.executor.BaseExecutor.flushStatements(BaseExecutor.java:129) ~[mybatis-3.4.4.jar!/:3.4.4]
	at org.apache.ibatis.executor.BaseExecutor.flushStatements(BaseExecutor.java:122) ~[mybatis-3.4.4.jar!/:3.4.4]
	at org.apache.ibatis.executor.CachingExecutor.flushStatements(CachingExecutor.java:114) ~[mybatis-3.4.4.jar!/:3.4.4]
	at org.apache.ibatis.session.defaults.DefaultSqlSession.flushStatements(DefaultSqlSession.java:253) ~[mybatis-3.4.4.jar!/:3.4.4]
	... 91 common frames omitted
Caused by: java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '54d94e8d-2171-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(54d94e8d-2171-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
	at org.postgresql.jdbc.BatchResultHandler.handleError(BatchResultHandler.java:148) ~[postgresql-42.2.5.jar!/:42.2.5]
	at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2184) ~[postgresql-42.2.5.jar!/:42.2.5]
	at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:481) ~[postgresql-42.2.5.jar!/:42.2.5]
	at org.postgresql.jdbc.PgStatement.executeBatch(PgStatement.java:840) ~[postgresql-42.2.5.jar!/:42.2.5]
	at org.postgresql.jdbc.PgPreparedStatement.executeBatch(PgPreparedStatement.java:1538) ~[postgresql-42.2.5.jar!/:42.2.5]
	at com.zaxxer.hikari.pool.ProxyStatement.executeBatch(ProxyStatement.java:128) ~[HikariCP-3.2.0.jar!/:na]
	at com.zaxxer.hikari.pool.HikariProxyPreparedStatement.executeBatch(HikariProxyPreparedStatement.java) ~[HikariCP-3.2.0.jar!/:na]
	at org.apache.ibatis.executor.BatchExecutor.doFlushStatements(BatchExecutor.java:122) ~[mybatis-3.4.4.jar!/:3.4.4]
	... 95 common frames omitted
Caused by: org.postgresql.util.PSQLException: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(54d94e8d-2171-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".
	at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2440) ~[postgresql-42.2.5.jar!/:42.2.5]
	at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2183) ~[postgresql-42.2.5.jar!/:42.2.5]
	... 101 common frames omitted

2019-12-18 08:49:34.324  WARN 1 --- [io-8080-exec-10] ExceptionHandler                         : org.camunda.bpm.engine.ProcessEngineException: ENGINE-03083 Exception while executing Batch Database Operations with message '
### Error flushing statements.  Cause: org.apache.ibatis.executor.BatchExecutorException: org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.deleteExecution (batch index #10) failed. 9 prior sub executor(s) completed successfully, but will be rolled back. Cause: java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '54d94e8d-2171-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(54d94e8d-2171-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
### Cause: org.apache.ibatis.executor.BatchExecutorException: org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.deleteExecution (batch index #10) failed. 9 prior sub executor(s) completed successfully, but will be rolled back. Cause: java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '54d94e8d-2171-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(54d94e8d-2171-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '54d94e8d-2171-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(54d94e8d-2171-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
org.postgresql.util.PSQLException: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(54d94e8d-2171-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".
org.postgresql.util.PSQLException: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(54d94e8d-2171-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".
'. Flush summary: 
 [
  INSERT HistoricVariableInstanceEntity[506986b6-2173-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableInstanceEntity[506986b8-2173-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableInstanceEntity[506986ba-2173-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableInstanceEntity[506986bc-2173-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableUpdateEventEntity[506986b7-2173-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableUpdateEventEntity[506986b9-2173-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableUpdateEventEntity[506986bb-2173-11ea-ae64-6297474a9cc6]
  INSERT HistoricVariableUpdateEventEntity[506986bd-2173-11ea-ae64-6297474a9cc6]
  INSERT HistoricExternalTaskLogEntity[5069fbee-2173-11ea-ae64-6297474a9cc6]
  INSERT HistoricExternalTaskLogEntity[506d3042-2173-11ea-ae64-6297474a9cc6]
  INSERT HistoricActivityInstanceEventEntity[Task_0slykjj:506d3040-2173-11ea-ae64-6297474a9cc6]
  INSERT ExecutionEntity[506d303f-2173-11ea-ae64-6297474a9cc6]
  INSERT VariableInstanceEntity[506986b6-2173-11ea-ae64-6297474a9cc6]
  INSERT VariableInstanceEntity[506986b8-2173-11ea-ae64-6297474a9cc6]
  INSERT VariableInstanceEntity[506986ba-2173-11ea-ae64-6297474a9cc6]
  INSERT VariableInstanceEntity[506986bc-2173-11ea-ae64-6297474a9cc6]
  INSERT ExternalTaskEntity[506d3041-2173-11ea-ae64-6297474a9cc6]
  DELETE ExternalTaskEntity[54d94e8f-2171-11ea-ae64-6297474a9cc6]
  UPDATE ExecutionEntity[cf72278d-2170-11ea-a57f-bead4740b828]
  DELETE ExecutionEntity[54d94e8d-2171-11ea-ae64-6297474a9cc6]
  UPDATE HistoricActivityInstanceEventEntity[Task_1ywtn7a:54d94e8e-2171-11ea-ae64-6297474a9cc6]
]
	at org.camunda.bpm.engine.impl.db.EnginePersistenceLogger.flushDbOperationsException(EnginePersistenceLogger.java:693)
	at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flushDbOperations(DbEntityManager.java:362)
	at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flushDbOperationManager(DbEntityManager.java:325)
	at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flush(DbEntityManager.java:297)
	at org.camunda.bpm.engine.impl.interceptor.CommandContext.flushSessions(CommandContext.java:208)
	at org.camunda.bpm.engine.impl.interceptor.CommandContext.close(CommandContext.java:137)
	at org.camunda.bpm.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:116)
	at org.camunda.bpm.engine.spring.SpringTransactionInterceptor$1.doInTransaction(SpringTransactionInterceptor.java:46)
	at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:140)
	at org.camunda.bpm.engine.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:44)
	at org.camunda.bpm.engine.impl.interceptor.ProcessApplicationContextInterceptor.execute(ProcessApplicationContextInterceptor.java:70)
	at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33)
	at org.camunda.bpm.engine.impl.ExternalTaskServiceImpl.complete(ExternalTaskServiceImpl.java:56)
	at org.camunda.bpm.engine.rest.sub.externaltask.impl.ExternalTaskResourceImpl.complete(ExternalTaskResourceImpl.java:118)
	at jdk.internal.reflect.GeneratedMethodAccessor368.invoke(Unknown Source)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
	at org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory.lambda$static$0(ResourceMethodInvocationHandlerFactory.java:76)
	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:148)
	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:191)
	at org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$VoidOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:183)
	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:103)
	at org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:493)
	at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:415)
	at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:104)
	at org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:277)
	at org.glassfish.jersey.internal.Errors$1.call(Errors.java:272)
	at org.glassfish.jersey.internal.Errors$1.call(Errors.java:268)
	at org.glassfish.jersey.internal.Errors.process(Errors.java:316)
	at org.glassfish.jersey.internal.Errors.process(Errors.java:298)
	at org.glassfish.jersey.internal.Errors.process(Errors.java:268)
	at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:289)
	at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:256)
	at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:703)
	at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:416)
	at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:370)
	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:389)
	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:342)
	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:229)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.camunda.bpm.engine.rest.filter.CacheControlFilter.doFilter(CacheControlFilter.java:45)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.camunda.bpm.engine.rest.filter.EmptyBodyFilter.doFilter(EmptyBodyFilter.java:99)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.boot.actuate.web.trace.servlet.HttpTraceFilter.doFilterInternal(HttpTraceFilter.java:90)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.filterAndRecordMetrics(WebMvcMetricsFilter.java:117)
	at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.doFilterInternal(WebMvcMetricsFilter.java:106)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:836)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1747)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: org.apache.ibatis.exceptions.PersistenceException: 
### Error flushing statements.  Cause: org.apache.ibatis.executor.BatchExecutorException: org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.deleteExecution (batch index #10) failed. 9 prior sub executor(s) completed successfully, but will be rolled back. Cause: java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '54d94e8d-2171-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(54d94e8d-2171-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
### Cause: org.apache.ibatis.executor.BatchExecutorException: org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.deleteExecution (batch index #10) failed. 9 prior sub executor(s) completed successfully, but will be rolled back. Cause: java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '54d94e8d-2171-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(54d94e8d-2171-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
	at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)
	at org.apache.ibatis.session.defaults.DefaultSqlSession.flushStatements(DefaultSqlSession.java:255)
	at org.camunda.bpm.engine.impl.db.sql.DbSqlSession.flushOperations(DbSqlSession.java:90)
	at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flushDbOperations(DbEntityManager.java:357)
	... 89 more
Caused by: org.apache.ibatis.executor.BatchExecutorException: org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.deleteExecution (batch index #10) failed. 9 prior sub executor(s) completed successfully, but will be rolled back. Cause: java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '54d94e8d-2171-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(54d94e8d-2171-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
	at org.apache.ibatis.executor.BatchExecutor.doFlushStatements(BatchExecutor.java:146)
	at org.apache.ibatis.executor.BaseExecutor.flushStatements(BaseExecutor.java:129)
	at org.apache.ibatis.executor.BaseExecutor.flushStatements(BaseExecutor.java:122)
	at org.apache.ibatis.executor.CachingExecutor.flushStatements(CachingExecutor.java:114)
	at org.apache.ibatis.session.defaults.DefaultSqlSession.flushStatements(DefaultSqlSession.java:253)
	... 91 more
Caused by: java.sql.BatchUpdateException: Batch entry 0 delete from ACT_RU_EXECUTION where ID_ = '54d94e8d-2171-11ea-ae64-6297474a9cc6' and REV_ = 1 was aborted: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(54d94e8d-2171-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".  Call getNextException to see other errors in the batch.
	at org.postgresql.jdbc.BatchResultHandler.handleError(BatchResultHandler.java:148)
	at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2184)
	at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:481)
	at org.postgresql.jdbc.PgStatement.executeBatch(PgStatement.java:840)
	at org.postgresql.jdbc.PgPreparedStatement.executeBatch(PgPreparedStatement.java:1538)
	at com.zaxxer.hikari.pool.ProxyStatement.executeBatch(ProxyStatement.java:128)
	at com.zaxxer.hikari.pool.HikariProxyPreparedStatement.executeBatch(HikariProxyPreparedStatement.java)
	at org.apache.ibatis.executor.BatchExecutor.doFlushStatements(BatchExecutor.java:122)
	... 95 more
Caused by: org.postgresql.util.PSQLException: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_ext_task_exe" on table "act_ru_ext_task"
  Detail: Key (id_)=(54d94e8d-2171-11ea-ae64-6297474a9cc6) is still referenced from table "act_ru_ext_task".
	at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2440)
	at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2183)
	... 101 more