2021-08-09 14:09:35.717  WARN 2995 --- [aTaskExecutor-2] org.camunda.bpm.engine.jobexecutor       : ENGINE-14006 Exception while executing job a7fa4cc1-f90a-11eb-9a77-16efe1cc231b: 

org.springframework.dao.CannotSerializeTransactionException: JDBC commit; ERROR: restart transaction: TransactionRetryWithProtoRefreshError: TransactionRetryError: retry txn (RETRY_SERIALIZABLE): "sql txn" meta={id=2fad76eb key=/Table/82/1/"a92f2351-f90a-11eb-9a77-16efe1cc231b"/0 pri=0.00763009 epo=0 ts=1628510974.812606139,1 min=1628510973.646652586,0 seq=74} lock=true stat=PENDING rts=1628510973.646652586,0 wto=false max=1628510973.646652586,0; nested exception is org.postgresql.util.PSQLException: ERROR: restart transaction: TransactionRetryWithProtoRefreshError: TransactionRetryError: retry txn (RETRY_SERIALIZABLE): "sql txn" meta={id=2fad76eb key=/Table/82/1/"a92f2351-f90a-11eb-9a77-16efe1cc231b"/0 pri=0.00763009 epo=0 ts=1628510974.812606139,1 min=1628510973.646652586,0 seq=74} lock=true stat=PENDING rts=1628510973.646652586,0 wto=false max=1628510973.646652586,0
        at org.springframework.jdbc.support.SQLErrorCodeSQLExceptionTranslator.doTranslate(SQLErrorCodeSQLExceptionTranslator.java:275) ~[spring-jdbc-5.3.9.jar:5.3.9]
        at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:70) ~[spring-jdbc-5.3.9.jar:5.3.9]
        at org.springframework.jdbc.support.JdbcTransactionManager.translateException(JdbcTransactionManager.java:184) ~[spring-jdbc-5.3.9.jar:5.3.9]
        at org.springframework.jdbc.datasource.DataSourceTransactionManager.doCommit(DataSourceTransactionManager.java:336) ~[spring-jdbc-5.3.9.jar:5.3.9]
        at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:743) ~[spring-tx-5.3.9.jar:5.3.9]
        at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:711) ~[spring-tx-5.3.9.jar:5.3.9]
        at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:152) ~[spring-tx-5.3.9.jar:5.3.9]
        at org.camunda.bpm.engine.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:70) ~[camunda-engine-spring-7.16.0-alpha4-ee.jar:7.16.0-alpha4-ee]
        at org.camunda.bpm.engine.impl.interceptor.ProcessApplicationContextInterceptor.execute(ProcessApplicationContextInterceptor.java:70) ~[camunda-engine-7.16.0-alpha4-ee.jar:7.16.0-alpha4-ee]
        at org.camunda.bpm.engine.impl.interceptor.CommandCounterInterceptor.execute(CommandCounterInterceptor.java:35) ~[camunda-engine-7.16.0-alpha4-ee.jar:7.16.0-alpha4-ee]
        at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33) ~[camunda-engine-7.16.0-alpha4-ee.jar:7.16.0-alpha4-ee]
        at org.camunda.bpm.engine.impl.interceptor.CrdbTransactionRetryInterceptor.execute(CrdbTransactionRetryInterceptor.java:46) ~[camunda-engine-7.16.0-alpha4-ee.jar:7.16.0-alpha4-ee]
        at org.camunda.bpm.engine.impl.jobexecutor.ExecuteJobHelper.executeJob(ExecuteJobHelper.java:57) ~[camunda-engine-7.16.0-alpha4-ee.jar:7.16.0-alpha4-ee]
        at org.camunda.bpm.engine.impl.jobexecutor.ExecuteJobsRunnable.executeJob(ExecuteJobsRunnable.java:110) ~[camunda-engine-7.16.0-alpha4-ee.jar:7.16.0-alpha4-ee]
        at org.camunda.bpm.engine.impl.jobexecutor.ExecuteJobsRunnable.run(ExecuteJobsRunnable.java:71) ~[camunda-engine-7.16.0-alpha4-ee.jar:7.16.0-alpha4-ee]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_292]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_292]
        at java.lang.Thread.run(Thread.java:748) [na:1.8.0_292]
Caused by: org.postgresql.util.PSQLException: ERROR: restart transaction: TransactionRetryWithProtoRefreshError: TransactionRetryError: retry txn (RETRY_SERIALIZABLE): "sql txn" meta={id=2fad76eb key=/Table/82/1/"a92f2351-f90a-11eb-9a77-16efe1cc231b"/0 pri=0.00763009 epo=0 ts=1628510974.812606139,1 min=1628510973.646652586,0 seq=74} lock=true stat=PENDING rts=1628510973.646652586,0 wto=false max=1628510973.646652586,0
        at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2505) ~[postgresql-42.2.9.jar:42.2.9]
        at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2241) ~[postgresql-42.2.9.jar:42.2.9]
        at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:310) ~[postgresql-42.2.9.jar:42.2.9]
        at org.postgresql.jdbc.PgConnection.executeTransactionCommand(PgConnection.java:829) ~[postgresql-42.2.9.jar:42.2.9]
        at org.postgresql.jdbc.PgConnection.commit(PgConnection.java:851) ~[postgresql-42.2.9.jar:42.2.9]
        at com.zaxxer.hikari.pool.ProxyConnection.commit(ProxyConnection.java:387) ~[HikariCP-4.0.3.jar:na]
        at com.zaxxer.hikari.pool.HikariProxyConnection.commit(HikariProxyConnection.java) ~[HikariCP-4.0.3.jar:na]
        at org.springframework.jdbc.datasource.DataSourceTransactionManager.doCommit(DataSourceTransactionManager.java:333) ~[spring-jdbc-5.3.9.jar:5.3.9]
        ... 14 common frames omitted

2021-08-09 14:09:37.593  WARN 2995 --- [aTaskExecutor-2] org.camunda.bpm.engine.jobexecutor       : ENGINE-14006 Exception while executing job a7fa4cc4-f90a-11eb-9a77-16efe1cc231b: 

org.springframework.dao.CannotSerializeTransactionException: JDBC commit; ERROR: restart transaction: TransactionRetryWithProtoRefreshError: TransactionRetryError: retry txn (RETRY_SERIALIZABLE): "sql txn" meta={id=80da6b47 key=/Table/82/1/"aa61fe08-f90a-11eb-9a77-16efe1cc231b"/0 pri=0.00093374 epo=0 ts=1628510975.936116907,1 min=1628510975.806142086,0 seq=69} lock=true stat=PENDING rts=1628510975.806142086,0 wto=false max=1628510975.806142086,0; nested exception is org.postgresql.util.PSQLException: ERROR: restart transaction: TransactionRetryWithProtoRefreshError: TransactionRetryError: retry txn (RETRY_SERIALIZABLE): "sql txn" meta={id=80da6b47 key=/Table/82/1/"aa61fe08-f90a-11eb-9a77-16efe1cc231b"/0 pri=0.00093374 epo=0 ts=1628510975.936116907,1 min=1628510975.806142086,0 seq=69} lock=true stat=PENDING rts=1628510975.806142086,0 wto=false max=1628510975.806142086,0
        at org.springframework.jdbc.support.SQLErrorCodeSQLExceptionTranslator.doTranslate(SQLErrorCodeSQLExceptionTranslator.java:275) ~[spring-jdbc-5.3.9.jar:5.3.9]
        at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:70) ~[spring-jdbc-5.3.9.jar:5.3.9]
        at org.springframework.jdbc.support.JdbcTransactionManager.translateException(JdbcTransactionManager.java:184) ~[spring-jdbc-5.3.9.jar:5.3.9]
        at org.springframework.jdbc.datasource.DataSourceTransactionManager.doCommit(DataSourceTransactionManager.java:336) ~[spring-jdbc-5.3.9.jar:5.3.9]
        at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:743) ~[spring-tx-5.3.9.jar:5.3.9]
        at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:711) ~[spring-tx-5.3.9.jar:5.3.9]
        at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:152) ~[spring-tx-5.3.9.jar:5.3.9]
        at org.camunda.bpm.engine.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:70) ~[camunda-engine-spring-7.16.0-alpha4-ee.jar:7.16.0-alpha4-ee]
        at org.camunda.bpm.engine.impl.interceptor.ProcessApplicationContextInterceptor.execute(ProcessApplicationContextInterceptor.java:70) ~[camunda-engine-7.16.0-alpha4-ee.jar:7.16.0-alpha4-ee]
        at org.camunda.bpm.engine.impl.interceptor.CommandCounterInterceptor.execute(CommandCounterInterceptor.java:35) ~[camunda-engine-7.16.0-alpha4-ee.jar:7.16.0-alpha4-ee]
        at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33) ~[camunda-engine-7.16.0-alpha4-ee.jar:7.16.0-alpha4-ee]
        at org.camunda.bpm.engine.impl.interceptor.CrdbTransactionRetryInterceptor.execute(CrdbTransactionRetryInterceptor.java:46) ~[camunda-engine-7.16.0-alpha4-ee.jar:7.16.0-alpha4-ee]
        at org.camunda.bpm.engine.impl.jobexecutor.ExecuteJobHelper.executeJob(ExecuteJobHelper.java:57) ~[camunda-engine-7.16.0-alpha4-ee.jar:7.16.0-alpha4-ee]
        at org.camunda.bpm.engine.impl.jobexecutor.ExecuteJobsRunnable.executeJob(ExecuteJobsRunnable.java:110) ~[camunda-engine-7.16.0-alpha4-ee.jar:7.16.0-alpha4-ee]
        at org.camunda.bpm.engine.impl.jobexecutor.ExecuteJobsRunnable.run(ExecuteJobsRunnable.java:71) ~[camunda-engine-7.16.0-alpha4-ee.jar:7.16.0-alpha4-ee]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_292]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_292]
        at java.lang.Thread.run(Thread.java:748) [na:1.8.0_292]
Caused by: org.postgresql.util.PSQLException: ERROR: restart transaction: TransactionRetryWithProtoRefreshError: TransactionRetryError: retry txn (RETRY_SERIALIZABLE): "sql txn" meta={id=80da6b47 key=/Table/82/1/"aa61fe08-f90a-11eb-9a77-16efe1cc231b"/0 pri=0.00093374 epo=0 ts=1628510975.936116907,1 min=1628510975.806142086,0 seq=69} lock=true stat=PENDING rts=1628510975.806142086,0 wto=false max=1628510975.806142086,0
        at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2505) ~[postgresql-42.2.9.jar:42.2.9]
        at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2241) ~[postgresql-42.2.9.jar:42.2.9]
        at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:310) ~[postgresql-42.2.9.jar:42.2.9]
        at org.postgresql.jdbc.PgConnection.executeTransactionCommand(PgConnection.java:829) ~[postgresql-42.2.9.jar:42.2.9]
        at org.postgresql.jdbc.PgConnection.commit(PgConnection.java:851) ~[postgresql-42.2.9.jar:42.2.9]
        at com.zaxxer.hikari.pool.ProxyConnection.commit(ProxyConnection.java:387) ~[HikariCP-4.0.3.jar:na]
        at com.zaxxer.hikari.pool.HikariProxyConnection.commit(HikariProxyConnection.java) ~[HikariCP-4.0.3.jar:na]
        at org.springframework.jdbc.datasource.DataSourceTransactionManager.doCommit(DataSourceTransactionManager.java:333) ~[spring-jdbc-5.3.9.jar:5.3.9]
        ... 14 common frames omitted

2021-08-09 14:09:39.597  WARN 2995 --- [aTaskExecutor-2] org.camunda.bpm.engine.jobexecutor       : ENGINE-14006 Exception while executing job a7fa73d7-f90a-11eb-9a77-16efe1cc231b: 

org.springframework.dao.CannotSerializeTransactionException: JDBC commit; ERROR: restart transaction: TransactionRetryWithProtoRefreshError: TransactionRetryError: retry txn (RETRY_SERIALIZABLE): "sql txn" meta={id=8583be5d key=/Table/82/1/"ab8d37a1-f90a-11eb-9a77-16efe1cc231b"/0 pri=0.00443002 epo=0 ts=1628510977.939984302,1 min=1628510977.668385495,0 seq=69} lock=true stat=PENDING rts=1628510977.668385495,0 wto=false max=1628510977.668385495,0; nested exception is org.postgresql.util.PSQLException: ERROR: restart transaction: TransactionRetryWithProtoRefreshError: TransactionRetryError: retry txn (RETRY_SERIALIZABLE): "sql txn" meta={id=8583be5d key=/Table/82/1/"ab8d37a1-f90a-11eb-9a77-16efe1cc231b"/0 pri=0.00443002 epo=0 ts=1628510977.939984302,1 min=1628510977.668385495,0 seq=69} lock=true stat=PENDING rts=1628510977.668385495,0 wto=false max=1628510977.668385495,0
        at org.springframework.jdbc.support.SQLErrorCodeSQLExceptionTranslator.doTranslate(SQLErrorCodeSQLExceptionTranslator.java:275) ~[spring-jdbc-5.3.9.jar:5.3.9]
        at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:70) ~[spring-jdbc-5.3.9.jar:5.3.9]
        at org.springframework.jdbc.support.JdbcTransactionManager.translateException(JdbcTransactionManager.java:184) ~[spring-jdbc-5.3.9.jar:5.3.9]
        at org.springframework.jdbc.datasource.DataSourceTransactionManager.doCommit(DataSourceTransactionManager.java:336) ~[spring-jdbc-5.3.9.jar:5.3.9]
        at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:743) ~[spring-tx-5.3.9.jar:5.3.9]
        at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:711) ~[spring-tx-5.3.9.jar:5.3.9]
        at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:152) ~[spring-tx-5.3.9.jar:5.3.9]
        at org.camunda.bpm.engine.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:70) ~[camunda-engine-spring-7.16.0-alpha4-ee.jar:7.16.0-alpha4-ee]
        at org.camunda.bpm.engine.impl.interceptor.ProcessApplicationContextInterceptor.execute(ProcessApplicationContextInterceptor.java:70) ~[camunda-engine-7.16.0-alpha4-ee.jar:7.16.0-alpha4-ee]
        at org.camunda.bpm.engine.impl.interceptor.CommandCounterInterceptor.execute(CommandCounterInterceptor.java:35) ~[camunda-engine-7.16.0-alpha4-ee.jar:7.16.0-alpha4-ee]
        at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33) ~[camunda-engine-7.16.0-alpha4-ee.jar:7.16.0-alpha4-ee]
        at org.camunda.bpm.engine.impl.interceptor.CrdbTransactionRetryInterceptor.execute(CrdbTransactionRetryInterceptor.java:46) ~[camunda-engine-7.16.0-alpha4-ee.jar:7.16.0-alpha4-ee]
        at org.camunda.bpm.engine.impl.jobexecutor.ExecuteJobHelper.executeJob(ExecuteJobHelper.java:57) ~[camunda-engine-7.16.0-alpha4-ee.jar:7.16.0-alpha4-ee]
        at org.camunda.bpm.engine.impl.jobexecutor.ExecuteJobsRunnable.executeJob(ExecuteJobsRunnable.java:110) ~[camunda-engine-7.16.0-alpha4-ee.jar:7.16.0-alpha4-ee]
        at org.camunda.bpm.engine.impl.jobexecutor.ExecuteJobsRunnable.run(ExecuteJobsRunnable.java:71) ~[camunda-engine-7.16.0-alpha4-ee.jar:7.16.0-alpha4-ee]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_292]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_292]
        at java.lang.Thread.run(Thread.java:748) [na:1.8.0_292]
Caused by: org.postgresql.util.PSQLException: ERROR: restart transaction: TransactionRetryWithProtoRefreshError: TransactionRetryError: retry txn (RETRY_SERIALIZABLE): "sql txn" meta={id=8583be5d key=/Table/82/1/"ab8d37a1-f90a-11eb-9a77-16efe1cc231b"/0 pri=0.00443002 epo=0 ts=1628510977.939984302,1 min=1628510977.668385495,0 seq=69} lock=true stat=PENDING rts=1628510977.668385495,0 wto=false max=1628510977.668385495,0
        at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2505) ~[postgresql-42.2.9.jar:42.2.9]
        at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2241) ~[postgresql-42.2.9.jar:42.2.9]
        at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:310) ~[postgresql-42.2.9.jar:42.2.9]
        at org.postgresql.jdbc.PgConnection.executeTransactionCommand(PgConnection.java:829) ~[postgresql-42.2.9.jar:42.2.9]
        at org.postgresql.jdbc.PgConnection.commit(PgConnection.java:851) ~[postgresql-42.2.9.jar:42.2.9]
        at com.zaxxer.hikari.pool.ProxyConnection.commit(ProxyConnection.java:387) ~[HikariCP-4.0.3.jar:na]
        at com.zaxxer.hikari.pool.HikariProxyConnection.commit(HikariProxyConnection.java) ~[HikariCP-4.0.3.jar:na]
        at org.springframework.jdbc.datasource.DataSourceTransactionManager.doCommit(DataSourceTransactionManager.java:333) ~[spring-jdbc-5.3.9.jar:5.3.9]
        ... 14 common frames omitted