Ricardo Chiriboga [https://community.jboss.org/people/rachirib] created the discussion "Problem Bitronix Transaction, Spring, Jbpm5.2" To view the discussion, visit: https://community.jboss.org/message/649520#649520 -------------------------------------------------------------- Hi, Anyone can help me? i have a structure in JBPM 5.2 with Spring, i have to use LocalTaskService to do one global transaction, but when i create a process sometimes  throws this exception and sometimes dont. javax.persistence.PersistenceException: java.lang.NullPointerException           at org.hibernate.ejb.AbstractEntityManagerImpl$1.beforeCompletion(AbstractEntityManagerImpl.java:516)           at bitronix.tm.BitronixTransaction.fireBeforeCompletionEvent(BitronixTransaction.java:478)           at bitronix.tm.BitronixTransaction.commit(BitronixTransaction.java:193)           at bitronix.tm.BitronixTransactionManager.commit(BitronixTransactionManager.java:120)           at org.springframework.transaction.jta.JtaTransactionManager.doCommit(JtaTransactionManager.java:1009)           at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:754)           at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:723)           at org.springframework.transaction.interceptor.TransactionAspectSupport.commitTransactionAfterReturning(TransactionAspectSupport.java:374)           at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:120)           at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)           at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)           at $Proxy43.iniciarProceso(Unknown Source)           at co.edu.javerianacali.stp.bpm.facade.impl.JbpmFacadeImpl.iniciarProceso(JbpmFacadeImpl.java:59)           at co.edu.javerianacali.stp.bpm.JbpmIntegrationTest.crearProceso(JbpmIntegrationTest.java:41)           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 org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)           at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)           at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)           at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)           at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:74)           at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:82)           at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:72)           at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:240)           at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)           at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)           at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)           at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)           at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)           at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)           at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)           at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)           at org.junit.runners.ParentRunner.run(ParentRunner.java:236)           at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:180)           at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)           at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)           at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)           at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)           at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)           at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) Caused by: java.lang.NullPointerException           at org.drools.marshalling.impl.OutputMarshaller.writeLeftTuple(OutputMarshaller.java:711)           at org.drools.marshalling.impl.OutputMarshaller.writeLeftTuples(OutputMarshaller.java:557)           at org.drools.marshalling.impl.OutputMarshaller.writeFactHandles(OutputMarshaller.java:361)           at org.drools.marshalling.impl.OutputMarshaller.writeSession(OutputMarshaller.java:143)           at org.drools.marshalling.impl.DefaultMarshaller.marshall(DefaultMarshaller.java:143)           at org.drools.marshalling.impl.DefaultMarshaller.marshall(DefaultMarshaller.java:126)           at org.drools.persistence.SessionMarshallingHelper.getSnapshot(SessionMarshallingHelper.java:72)           at org.drools.persistence.info.SessionInfo.update(SessionInfo.java:84)           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 org.hibernate.ejb.event.BeanCallback.invoke(BeanCallback.java:23)           at org.hibernate.ejb.event.EntityCallbackHandler.callback(EntityCallbackHandler.java:80)           at org.hibernate.ejb.event.EntityCallbackHandler.preUpdate(EntityCallbackHandler.java:65)           at org.hibernate.ejb.event.EJB3FlushEntityEventListener.invokeInterceptor(EJB3FlushEntityEventListener.java:41)           at org.hibernate.event.def.DefaultFlushEntityEventListener.handleInterception(DefaultFlushEntityEventListener.java:330)           at org.hibernate.event.def.DefaultFlushEntityEventListener.scheduleUpdate(DefaultFlushEntityEventListener.java:270)           at org.hibernate.event.def.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:151)           at org.hibernate.event.def.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:219)           at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:99)           at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:49)           at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1028)           at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:366)           at org.hibernate.ejb.AbstractEntityManagerImpl$1.beforeCompletion(AbstractEntityManagerImpl.java:504)           ... 41 more -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/649520#649520] Start a new discussion in jBPM at Community 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