org.camunda.bpm.engine.ProcessEngineException: ENGINE-03004 Exception while executing Database Operation 'DELETE ExecutionEntity[fa1ca12e-b458-11e5-a6fc-00505690127e]' with message '
Error updating database. Cause: java.sql.SQLException: ORA-00060: deadlock detected while waiting for resource
The error may involve org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.deleteExecution-Inline
The error occurred while setting parameters
SQL: delete from ACT_RU_EXECUTION where ID_ = ? and REV_ = ?
Cause: java.sql.SQLException: ORA-00060: deadlock detected while waiting for resource
'. Flush summary: 
[
INSERT HistoricVariableInstanceEntity[098183f0-b459-11e5-a6fc-00505690127e]
INSERT HistoricVariableInstanceEntity[098183f1-b459-11e5-a6fc-00505690127e]
INSERT HistoricVariableInstanceEntity[0997a415-b459-11e5-a6fc-00505690127e]
INSERT HistoricVariableInstanceEntity[09e57605-b459-11e5-a6fc-00505690127e]
INSERT AuthorizationEntity[09e6124c-b459-11e5-a6fc-00505690127e]
INSERT AuthorizationEntity[09e6395e-b459-11e5-a6fc-00505690127e]
INSERT HistoricTaskInstanceEventEntity[09e5eb3b-b459-11e5-a6fc-00505690127e]
INSERT HistoricActivityInstanceEventEntity[EndEvent_2:097c7adc-b459-11e5-a6fc-00505690127e]
INSERT HistoricActivityInstanceEventEntity[ExclusiveGateway_10:09e57606-b459-11e5-a6fc-00505690127e]
INSERT HistoricActivityInstanceEventEntity[ExclusiveGateway_11:09e57607-b459-11e5-a6fc-00505690127e]
INSERT HistoricActivityInstanceEventEntity[ExclusiveGateway_12:0982e382-b459-11e5-a6fc-00505690127e]
INSERT HistoricActivityInstanceEventEntity[ExclusiveGateway_3:0997a416-b459-11e5-a6fc-00505690127e]
INSERT HistoricActivityInstanceEventEntity[ServiceTask_7:09830a93-b459-11e5-a6fc-00505690127e]
INSERT HistoricActivityInstanceEventEntity[createBSUAccount:0997cb27-b459-11e5-a6fc-00505690127e]
INSERT HistoricActivityInstanceEventEntity[finalReceiptTask:09e57609-b459-11e5-a6fc-00505690127e]
INSERT ExecutionEntity[09e57608-b459-11e5-a6fc-00505690127e]
INSERT TaskEntity[09e5eb3b-b459-11e5-a6fc-00505690127e]
INSERT VariableInstanceEntity[098183f0-b459-11e5-a6fc-00505690127e]
INSERT VariableInstanceEntity[098183f1-b459-11e5-a6fc-00505690127e]
INSERT VariableInstanceEntity[0997a415-b459-11e5-a6fc-00505690127e]
INSERT VariableInstanceEntity[09e57605-b459-11e5-a6fc-00505690127e]
INSERT TimerEntity[09e5eb3a-b459-11e5-a6fc-00505690127e]
INSERT IdentityLinkEntity[09e6124d-b459-11e5-a6fc-00505690127e]
DELETE MessageEntity[fc75fa18-b458-11e5-a6fc-00505690127e]
DELETE VariableInstanceEntity[fa1ca12f-b458-11e5-a6fc-00505690127e]
DELETE VariableInstanceEntity[fa1ca130-b458-11e5-a6fc-00505690127e]
DELETE VariableInstanceEntity[fa1ca131-b458-11e5-a6fc-00505690127e]
DELETE VariableInstanceEntity[fa1ca132-b458-11e5-a6fc-00505690127e]
DELETE VariableInstanceEntity[fa1ca133-b458-11e5-a6fc-00505690127e]
DELETE VariableInstanceEntity[fa1cef55-b458-11e5-a6fc-00505690127e]
DELETE VariableInstanceEntity[fa1cef56-b458-11e5-a6fc-00505690127e]
DELETE VariableInstanceEntity[fa1cef57-b458-11e5-a6fc-00505690127e]
DELETE VariableInstanceEntity[fa1cef58-b458-11e5-a6fc-00505690127e]
DELETE VariableInstanceEntity[fa1cef59-b458-11e5-a6fc-00505690127e]
DELETE VariableInstanceEntity[fa1cef5b-b458-11e5-a6fc-00505690127e]
DELETE VariableInstanceEntity[fa1cef5c-b458-11e5-a6fc-00505690127e]
DELETE VariableInstanceEntity[fa1cef5d-b458-11e5-a6fc-00505690127e]
DELETE VariableInstanceEntity[fa1cef5e-b458-11e5-a6fc-00505690127e]
DELETE VariableInstanceEntity[fa1cef5f-b458-11e5-a6fc-00505690127e]
DELETE VariableInstanceEntity[fa1cef60-b458-11e5-a6fc-00505690127e]
DELETE VariableInstanceEntity[fa1cef61-b458-11e5-a6fc-00505690127e]
DELETE VariableInstanceEntity[fc755dd4-b458-11e5-a6fc-00505690127e]
DELETE VariableInstanceEntity[fc755dd6-b458-11e5-a6fc-00505690127e]
DELETE_BULK deleteByteArrayNoRevisionCheck fa1cef54-b458-11e5-a6fc-00505690127e
DELETE_BULK deleteByteArrayNoRevisionCheck 0076e973-b459-11e5-a6fc-00505690127e
DELETE_BULK deleteByteArrayNoRevisionCheck fa1cef5a-b458-11e5-a6fc-00505690127e
DELETE_BULK deleteByteArrayNoRevisionCheck fc755dd3-b458-11e5-a6fc-00505690127e
UPDATE ExecutionEntity[de9e784b-b457-11e5-a6fc-00505690127e]
DELETE ExecutionEntity[fa1ca12e-b458-11e5-a6fc-00505690127e]
DELETE ExecutionEntity[fa1b68ac-b458-11e5-a6fc-00505690127e]
UPDATE HistoricActivityInstanceEventEntity[CallActivity_2:fa1b8fbd-b458-11e5-a6fc-00505690127e]
UPDATE HistoricProcessInstanceEventEntity[fa1ca12e-b458-11e5-a6fc-00505690127e]
DELETE_BULK deleteAuthorizationsForResourceId {resourceId=fa1ca12e-b458-11e5-a6fc-00505690127e, resourceType=8}
]
at org.camunda.bpm.engine.impl.db.EnginePersistenceLogger.flushDbOperationException(EnginePersistenceLogger.java:113)
at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flushDbOperationManager(DbEntityManager.java:296)
at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flush(DbEntityManager.java:282)
at org.camunda.bpm.engine.impl.interceptor.CommandContext.flushSessions(CommandContext.java:315)
at org.camunda.bpm.engine.impl.interceptor.CommandContext.close(CommandContext.java:243)
at org.camunda.bpm.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:104)
at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:30)
at org.camunda.bpm.engine.impl.jobexecutor.ExecuteJobsRunnable.executeJob(ExecuteJobsRunnable.java:79)
at org.camunda.bpm.engine.impl.jobexecutor.ExecuteJobsRunnable.run(ExecuteJobsRunnable.java:66)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.ibatis.exceptions.PersistenceException:
Error updating database. Cause: java.sql.SQLException: ORA-00060: deadlock detected while waiting for resource
The error may involve org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.deleteExecution-Inline
The error occurred while setting parameters
SQL: delete from ACT_RU_EXECUTION where ID_ = ? and REV_ = ?
Cause: java.sql.SQLException: ORA-00060: deadlock detected while waiting for resource
at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:26)
at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:154)
at org.apache.ibatis.session.defaults.DefaultSqlSession.delete(DefaultSqlSession.java:165)
at org.camunda.bpm.engine.impl.db.sql.DbSqlSession.executeDelete(DbSqlSession.java:187)
at org.camunda.bpm.engine.impl.db.sql.DbSqlSession.deleteEntity(DbSqlSession.java:172)
at org.camunda.bpm.engine.impl.db.AbstractPersistenceSession.executeDbOperation(AbstractPersistenceSession.java:45)
at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.flushDbOperationManager(DbEntityManager.java:293)
... 10 more
Caused by: java.sql.SQLException: ORA-00060: deadlock detected while waiting for resource
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:439)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:395)
at oracle.jdbc.driver.T4C8Oall.processError(T4C8Oall.java:802)
at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:436)
at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:186)
at oracle.jdbc.driver.T4C8Oall.doOALL(T4C8Oall.java:521)
at oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedStatement.java:205)
at oracle.jdbc.driver.T4CPreparedStatement.executeForRows(T4CPreparedStatement.java:1008)
at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1307)
at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:3449)
at oracle.jdbc.driver.OraclePreparedStatement.execute(OraclePreparedStatement.java:3550)
at oracle.jdbc.driver.OraclePreparedStatementWrapper.execute(OraclePreparedStatementWrapper.java:1374)
at com.zaxxer.hikari.proxy.PreparedStatementProxy.execute(PreparedStatementProxy.java:44)
at com.zaxxer.hikari.proxy.HikariPreparedStatementProxy.execute(HikariPreparedStatementProxy.java)
at org.apache.ibatis.executor.statement.PreparedStatementHandler.update(PreparedStatementHandler.java:44)
at org.apache.ibatis.executor.statement.RoutingStatementHandler.update(RoutingStatementHandler.java:69)
at org.apache.ibatis.executor.SimpleExecutor.doUpdate(SimpleExecutor.java:48)
at org.apache.ibatis.executor.BaseExecutor.update(BaseExecutor.java:105)
at org.apache.ibatis.executor.CachingExecutor.update(CachingExecutor.java:71)
at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:152)
... 15 more