### Error updating database. Cause: org.postgresql.util.PSQLException: ERROR: update or delete on table "act_ru_execution" violates foreign key const

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Gopan Sugathan

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Apr 17, 2014, 6:56:53 AM4/17/14

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Hi,

I am trying to develop a simple bpm application.The project that I have developed is attached.

I am triggering a subprocess from main process using call activity and multi instance loop.

The sub process has a human task and end with message event,

On trying to respond from the sub process human task on the last instance of the loop I am getting an error like this.Any help on this would be highly appreciated.Is there something that I am doing wrong?

Apr 17, 2014 4:08:07 PM org.camunda.bpm.engine.impl.interceptor.CommandContext close

SEVERE: Error while closing command context

org.apache.ibatis.exceptions.PersistenceException:

### Error updating database. Cause: org.postgresql.util.PSQLException: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_exe_parent" on table "act_ru_execution"

Detail: Key (id_)=(4c99f93b-c61c-11e3-bcdd-40f02f573f97) is still referenced from table "act_ru_execution".

### 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: org.postgresql.util.PSQLException: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_exe_parent" on table "act_ru_execution"

Detail: Key (id_)=(4c99f93b-c61c-11e3-bcdd-40f02f573f97) is still referenced from table "act_ru_execution".

at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:23)

at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:147)

at org.apache.ibatis.session.defaults.DefaultSqlSession.delete(DefaultSqlSession.java:158)

at org.camunda.bpm.engine.impl.db.DbSqlSession$DeletePersistentObjectOperation.execute(DbSqlSession.java:252)

at org.camunda.bpm.engine.impl.db.DbSqlSession.flushDeletes(DbSqlSession.java:723)

at org.camunda.bpm.engine.impl.db.DbSqlSession.flush(DbSqlSession.java:490)

at org.camunda.bpm.engine.impl.interceptor.CommandContext.flushSessions(CommandContext.java:196)

at org.camunda.bpm.engine.impl.interceptor.CommandContext.close(CommandContext.java:126)

at org.camunda.bpm.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:99)

at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:32)

at org.camunda.bpm.engine.impl.FormServiceImpl.submitTaskForm(FormServiceImpl.java:82)

at org.camunda.bpm.engine.rest.sub.task.impl.TaskResourceImpl.submit(TaskResourceImpl.java:93)

at sun.reflect.GeneratedMethodAccessor419.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:606)

at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:167)

at org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:257)

at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:222)

at org.jboss.resteasy.core.ResourceLocator.invokeOnTargetObject(ResourceLocator.java:159)

at org.jboss.resteasy.core.ResourceLocator.invoke(ResourceLocator.java:107)

at org.jboss.resteasy.core.ResourceLocator.invokeOnTargetObject(ResourceLocator.java:154)

at org.jboss.resteasy.core.ResourceLocator.invoke(ResourceLocator.java:92)

at org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:542)

at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:524)

at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:126)

at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208)

at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55)

at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:50)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)

at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)

at org.camunda.bpm.engine.rest.filter.CacheControlFilter.doFilter(CacheControlFilter.java:47)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)

at org.camunda.bpm.webapp.impl.security.filter.SecurityFilter.doFilterSecure(SecurityFilter.java:67)

at org.camunda.bpm.webapp.impl.security.filter.SecurityFilter.doFilter(SecurityFilter.java:51)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)

at org.camunda.bpm.webapp.impl.security.auth.AuthenticationFilter$1.execute(AuthenticationFilter.java:59)

at org.camunda.bpm.webapp.impl.security.auth.AuthenticationFilter$1.execute(AuthenticationFilter.java:56)

at org.camunda.bpm.webapp.impl.security.SecurityActions.runWithAuthentications(SecurityActions.java:38)

at org.camunda.bpm.webapp.impl.security.auth.AuthenticationFilter.doFilter(AuthenticationFilter.java:56)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)

at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)

at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)

at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:409)

at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1044)

at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)

at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:315)

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)

at java.lang.Thread.run(Thread.java:744)

Caused by: org.postgresql.util.PSQLException: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_exe_parent" on table "act_ru_execution"

Detail: Key (id_)=(4c99f93b-c61c-11e3-bcdd-40f02f573f97) is still referenced from table "act_ru_execution".

at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2161)

at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1890)

at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:255)

at org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:560)

at org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2Statement.java:417)

at org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:410)

at org.apache.ibatis.executor.statement.PreparedStatementHandler.update(PreparedStatementHandler.java:41)

at org.apache.ibatis.executor.statement.RoutingStatementHandler.update(RoutingStatementHandler.java:66)

at org.apache.ibatis.executor.SimpleExecutor.doUpdate(SimpleExecutor.java:45)

at org.apache.ibatis.executor.BaseExecutor.update(BaseExecutor.java:108)

at org.apache.ibatis.executor.CachingExecutor.update(CachingExecutor.java:75)

at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:145)

... 59 more

Apr 17, 2014 4:08:07 PM org.camunda.bpm.engine.rest.exception.RestExceptionHandler toResponse

WARNING: org.camunda.bpm.engine.rest.exception.RestException: Cannot submit task form 4c9abce3-c61c-11e3-bcdd-40f02f573f97: Process engine persistence exception

at org.camunda.bpm.engine.rest.sub.task.impl.TaskResourceImpl.submit(TaskResourceImpl.java:109)