[jboss-user] [jBPM] - Could not delete execution when flow end?

[hob wang]

hob wang [https://community.jboss.org/people/hob007] created the discussion

"Could not delete execution when flow end?"

To view the discussion, visit: https://community.jboss.org/message/723401#723401

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I tested a jbpm 4.4 flow connected to MySql integrated with spring and hibernate. The flow deployment and execution were fine, but when the flow end, it was wrong.
Cannot delete or update a parent row: a foreign key constraint fails.

Test environment:
jbpm 4.4 version, mySql 5.0.12, hibernate 3.2, spring 2.5.6
mySql engine: InnoDB
hibernate dialect: org.hibernate.dialect.MySQLInnoDBDialect

The error stack under this:
Hibernate: delete from jbpm4_execution where dbid_=? and dbversion_=?
14:54:57 [http-8080-6] ERROR org.hibernate.util.JDBCExceptionReporter.logExceptions(101) - Cannot delete or update a parent row: a foreign key constraint fails
14:54:57 [http-8080-6] ERROR org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(324) - Could not synchronize database state with session
org.hibernate.exception.ConstraintViolationException: could not delete: [org.jbpm.pvm.internal.model.ExecutionImpl#130009]
 at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:94)
 at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)
 at org.hibernate.persister.entity.AbstractEntityPersister.delete(AbstractEntityPersister.java:2569)
 at org.hibernate.persister.entity.AbstractEntityPersister.delete(AbstractEntityPersister.java:2725)
 at org.hibernate.action.EntityDeleteAction.execute(EntityDeleteAction.java:97)
 at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:279)
 at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:263)
 at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:172)
 at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:321)
 at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:50)
 at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1027)
 at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:365)
 at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:137)
 at org.springframework.orm.hibernate3.HibernateTransactionManager.doCommit(HibernateTransactionManager.java:655)
 at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:732)
 at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:701)
 at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:140)
 at org.jbpm.pvm.internal.tx.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:49)
 at org.jbpm.pvm.internal.svc.EnvironmentInterceptor.executeInNewEnvironment(EnvironmentInterceptor.java:53)
 at org.jbpm.pvm.internal.svc.EnvironmentInterceptor.execute(EnvironmentInterceptor.java:40)
 at org.jbpm.pvm.internal.svc.RetryInterceptor.execute(RetryInterceptor.java:56)
 at org.jbpm.pvm.internal.svc.TaskServiceImpl.completeTask(TaskServiceImpl.java:96)
 at com.founder.nmcms.mamc.controller.MamcProgramController.check(MamcProgramController.java:734)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 at java.lang.reflect.Method.invoke(Method.java:597)
 at com.founder.e5.web.BaseUpgradeController.handleRequest(BaseUpgradeController.java:158)
 at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48)
 at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:875)
 at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:807)
 at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:571)
 at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:511)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)
 at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:38)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
 at org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java:394)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
 at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
 at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
 at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
 at java.lang.Thread.run(Thread.java:619)
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Cannot delete or update a parent row: a foreign key constraint fails
 at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
 at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
 at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
 at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
 at com.mysql.jdbc.Util.handleNewInstance(Util.java:407)
 at com.mysql.jdbc.Util.getInstance(Util.java:382)
 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1039)
 at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3603)
 at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3535)
 at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1989)
 at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2150)
 at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2626)
 at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2119)
 at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2415)
 at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2333)
 at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2318)
 at org.apache.tomcat.dbcp.dbcp.DelegatingPreparedStatement.executeUpdate(DelegatingPreparedStatement.java:102)
 at org.hibernate.persister.entity.AbstractEntityPersister.delete(AbstractEntityPersister.java:2551)
 ... 52 more


Someone said It seems with problem with hiberante dialect, MySql should use MySQLInnoDBDialect.  And my MySql DB engine is "InnoDB".
I try MySQLInnoDBDialect and MySQLDialect, and the error stack is the same.

I wonder is there something wrong with my configuration, how could I do to complete flow test?
Sincerely looking for you advice.
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