[jboss-user] [JBoss jBPM] - persistent execution mode

[galanfish]

can anyone give me a persistent execution mode program demo?
i have been stucked..

my testcase and exception jvm method call stack as follow:

public class PersistentExecutionModeTest extends EnvironmentFactoryTestCase {
  | 
  |   public void testDeploy() {			// seems ok
  | //	  /*
  | 	  JbpmConfiguration environmentFactory = (JbpmConfiguration)getEnvironmentFactory();
  | 	  ProcessService processService = environmentFactory.get(ProcessService.class);
  | 	  
  | 	  ClientProcessDefinition processDefinition = ProcessDefinitionBuilder
  | 	    .startProcess("test")
  | 	    
  | 	      .startActivity("start", WaitState.class)
  | 	        .initial()
  | 	        .flow("end","end")
  | 	      .endActivity()
  | 	      
  | 	      .startActivity("end", AutomaticActivity.class)
  | 	      .endActivity()
  | 	      
  | 	    .endProcess();
  | 	  
  | 	Deployment deployment = new DeploymentImpl();
  | 	deployment.addObject("testProcesssss", processDefinition);
  | 		
  | 	((ProcessServiceImpl) processService).deploy(deployment);
  | //		*/
  |   }
  |   
  |   public void testStartProcessInstance() {		// seems ok, 2
  |   
  | 		JbpmConfiguration environmentFactory = (JbpmConfiguration) getEnvironmentFactory();
  | 		ExecutionService executionService = environmentFactory.get(ExecutionService.class);
  | 		Execution execution = executionService.startProcessInstanceById("test:1", "request17");
  |   }
  |   
  |   public void testResumeProcessInstance(){ // something wrong...  
  | 	  JbpmConfiguration environmentFactory = (JbpmConfiguration)getEnvironmentFactory();
  | 	  ExecutionService executionService = environmentFactory.get(ExecutionService.class);
  | 	  Execution execution = executionService.signalExecutionById("test/request17", "end");		// exception occured here 
  | 	  	  				
  |   }
  | 
  | }

exception:
Hibernate: 
    /* delete org.jbpm.pvm.internal.model.ExecutionImpl */ delete 
        from
            JBPM_EXECUTION 
        where
            DBID_=? 
            and DBVERSION_=?
10:36:37,578 WRN | [JDBCExceptionReporter] SQL Error: 1451, SQLState: 23000
10:36:37,578 SEV | [JDBCExceptionReporter] Cannot delete or update a parent row: a foreign key constraint fails (`jbpm_pvm/jbpm_execution`, CONSTRAINT `FK_EXEC_INSTANCE` FOREIGN KEY (`INSTANCE_`) REFERENCES `jbpm_execution` (`DBID_`))
### EXCEPTION ###########################################
10:36:37,578 SEV | [AbstractFlushingEventListener] Could not synchronize database state with session
org.hibernate.exception.ConstraintViolationException: could not delete: [org.jbpm.pvm.internal.model.ExecutionImpl#4]
	at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:71)
	at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43)
	at org.hibernate.persister.entity.AbstractEntityPersister.delete(AbstractEntityPersister.java:2546)
	at org.hibernate.persister.entity.AbstractEntityPersister.delete(AbstractEntityPersister.java:2702)
	at org.hibernate.action.EntityDeleteAction.execute(EntityDeleteAction.java:77)
	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:298)
	at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27)
	at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1000)
	at org.jbpm.pvm.internal.tx.HibernateSessionResource.prepare(HibernateSessionResource.java:54)
	at org.jbpm.pvm.internal.tx.StandardTransaction.commit(StandardTransaction.java:106)
	at org.jbpm.pvm.internal.tx.StandardTransaction.complete(StandardTransaction.java:65)
	at org.jbpm.pvm.internal.tx.StandardTransactionInterceptor.execute(StandardTransactionInterceptor.java:61)
	at org.jbpm.pvm.internal.svc.EnvironmentInterceptor.execute(EnvironmentInterceptor.java:40)
	at org.jbpm.pvm.internal.svc.RetryInterceptor.execute(RetryInterceptor.java:52)
	at org.jbpm.pvm.internal.model.ProcessInstanceEndedSynchronization.afterCompletion(ProcessInstanceEndedSynchronization.java:52)
	at org.jbpm.pvm.internal.tx.StandardSynchronization.afterCompletion(StandardSynchronization.java:41)
	at org.jbpm.pvm.internal.tx.StandardTransaction.afterCompletion(StandardTransaction.java:213)
	at org.jbpm.pvm.internal.tx.StandardTransaction.commit(StandardTransaction.java:153)
	at org.jbpm.pvm.internal.tx.StandardTransaction.complete(StandardTransaction.java:65)
	at org.jbpm.pvm.internal.tx.StandardTransactionInterceptor.execute(StandardTransactionInterceptor.java:61)
	at org.jbpm.pvm.internal.svc.EnvironmentInterceptor.execute(EnvironmentInterceptor.java:40)
	at org.jbpm.pvm.internal.svc.RetryInterceptor.execute(RetryInterceptor.java:52)
	at org.jbpm.pvm.internal.svc.ExecutionServiceImpl.signalExecutionById(ExecutionServiceImpl.java:97)
	at org.jbpm.pvm.executionmode.persistence.PersistentExecutionModeTest.testResumeProcessInstance(PersistentExecutionModeTest.java:81)
	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:585)
	at junit.framework.TestCase.runTest(TestCase.java:164)
	at org.jbpm.test.BaseJbpmTestCase.runTest(BaseJbpmTestCase.java:81)
	at junit.framework.TestCase.runBare(TestCase.java:130)
	at junit.framework.TestResult$1.protect(TestResult.java:106)
	at junit.framework.TestResult.runProtected(TestResult.java:124)
	at junit.framework.TestResult.run(TestResult.java:109)
	at junit.framework.TestCase.run(TestCase.java:120)
	at junit.framework.TestSuite.runTest(TestSuite.java:230)
	at junit.framework.TestSuite.run(TestSuite.java:225)
	at org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:130)
	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)

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