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Jbpm with user transaction
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created by <a href="https://community.jboss.org/people/jhouzard">Jean-François Houzard</a> in <i>jBPM</i> - <a href="https://community.jboss.org/message/777138#777138">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi!</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I have a very basic workflow. In my workflow I have a diverging gateway. </p><p>In this gateway I use a service to control the flow.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>My problem is that my service is a transactional service (I use spring-data in it), and as soon as I use this service to decide, I get an exception like the following.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>How can I use a transactional service in the gateway?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Thank you</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>org.jbpm.workflow.instance.WorkflowRuntimeException: [eu.publications.ceres.jbpm.module_workflow:21 - check_bypass:14] -- Exception when trying to evaluate constraint execute in split check_bypass</p><p>          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:130)</p><p>          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerNodeInstance(NodeInstanceImpl.java:205)</p><p>          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:164)</p><p>          at org.jbpm.workflow.instance.node.StartNodeInstance.triggerCompleted(StartNodeInstance.java:49)</p><p>          at org.jbpm.workflow.instance.node.StartNodeInstance.internalTrigger(StartNodeInstance.java:41)</p><p>          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:124)</p><p>          at org.jbpm.ruleflow.instance.RuleFlowProcessInstance.internalStart(RuleFlowProcessInstance.java:35)</p><p>          at org.jbpm.process.instance.impl.ProcessInstanceImpl.start(ProcessInstanceImpl.java:188)</p><p>          at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.start(WorkflowProcessInstanceImpl.java:303)</p><p>          at org.jbpm.process.instance.ProcessRuntimeImpl.startProcessInstance(ProcessRuntimeImpl.java:168)</p><p>          at org.jbpm.process.instance.ProcessRuntimeImpl.startProcess(ProcessRuntimeImpl.java:138)</p><p>          at org.drools.common.AbstractWorkingMemory.startProcess(AbstractWorkingMemory.java:1082)</p><p>          at org.drools.impl.StatefulKnowledgeSessionImpl.startProcess(StatefulKnowledgeSessionImpl.java:320)</p><p>          at org.drools.command.runtime.process.StartProcessCommand.execute(StartProcessCommand.java:120)</p><p>          at org.drools.command.runtime.process.StartProcessCommand.execute(StartProcessCommand.java:39)</p><p>          at org.drools.command.impl.DefaultCommandService.execute(DefaultCommandService.java:36)</p><p>          at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:367)</p><p>          at org.drools.command.impl.CommandBasedStatefulKnowledgeSession.startProcess(CommandBasedStatefulKnowledgeSession.java:223)</p><p>          at eu.publications.ceres.jbpm.ModuleWorkflowIT.runModuleWorkflowTest(ModuleWorkflowIT.java:101)</p><p>          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)</p><p>          at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)</p><p>          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)</p><p>          at java.lang.reflect.Method.invoke(Method.java:597)</p><p>          at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)</p><p>          at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)</p><p>          at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)</p><p>          at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)</p><p>          at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:74)</p><p>          at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:30)</p><p>          at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:83)</p><p>          at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:72)</p><p>          at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:231)</p><p>          at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)</p><p>          at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)</p><p>          at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)</p><p>          at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)</p><p>          at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)</p><p>          at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)</p><p>          at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)</p><p>          at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:71)</p><p>          at org.junit.runners.ParentRunner.run(ParentRunner.java:300)</p><p>          at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:174)</p><p>          at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)</p><p>          at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)</p><p>          at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)</p><p>          at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)</p><p>          at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)</p><p>          at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)</p><p>Caused by: java.lang.RuntimeException: Exception when trying to evaluate constraint execute in split check_bypass</p><p>          at org.jbpm.workflow.instance.node.SplitInstance.internalTrigger(SplitInstance.java:79)</p><p>          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:124)</p><p>          ... 47 more</p><p>Caused by: java.lang.RuntimeException: unable to execute ReturnValueEvaluator</p><p>          at org.jbpm.process.instance.impl.ReturnValueConstraintEvaluator.evaluate(ReturnValueConstraintEvaluator.java:130)</p><p>          at org.jbpm.workflow.instance.node.SplitInstance.internalTrigger(SplitInstance.java:72)</p><p>          ... 48 more</p><p>Caused by: org.springframework.dao.InvalidDataAccessApiUsageException: Unknown node instance type: org.jbpm.workflow.instance.node.SplitInstance@413f9276; nested exception is java.lang.IllegalArgumentException: Unknown node instance type: org.jbpm.workflow.instance.node.SplitInstance@413f9276</p><p>          at org.springframework.orm.jpa.EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible(EntityManagerFactoryUtils.java:301)</p><p>          at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:404)</p><p>          at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:58)</p><p>          at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:213)</p><p>          at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:163)</p><p>          at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)</p><p>          at org.springframework.data.jpa.repository.support.LockModeRepositoryPostProcessor$LockModePopulatingMethodIntercceptor.invoke(LockModeRepositoryPostProcessor.java:91)</p><p>          at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)</p><p>          at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:90)</p><p>          at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)</p><p>          at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)</p><p>          at $Proxy36.findByEventCodeAndOrigin(Unknown Source)</p><p>          at eu.publications.ceres.jbpm.service.impl.DecisionHelperService.checkBypass(DecisionHelperService.java:39)</p><p>          at eu.publications.ceres.jbpm.ModuleWorkflowIT$1.checkBypass(ModuleWorkflowIT.java:51)</p><p>          at eu.publications.ceres.jbpm.Process_eu_publications_ceres_jbpm_module_workflow_44f51f3fbd8346aca5a1aef536c68e4f.returnValueEvaluator3(Process_eu_publications_ceres_jbpm_module_workflow_44f51f3fbd8346aca5a1aef536c68e4f.java:28)</p><p>          at eu.publications.ceres.jbpm.Process_eu_publications_ceres_jbpm_module_workflow_44f51f3fbd8346aca5a1aef536c68e4fReturnValueEvaluator3Invoker.evaluate(Process_eu_publications_ceres_jbpm_module_workflow_44f51f3fbd8346aca5a1aef536c68e4fReturnValueEvaluator3Invoker.java:15)</p><p>          at org.jbpm.process.instance.impl.ReturnValueConstraintEvaluator.evaluate(ReturnValueConstraintEvaluator.java:128)</p><p>          ... 49 more</p><p>Caused by: java.lang.IllegalArgumentException: Unknown node instance type: org.jbpm.workflow.instance.node.SplitInstance@413f9276</p><p>          at org.jbpm.marshalling.impl.AbstractProtobufProcessInstanceMarshaller.writeNodeInstanceContent(AbstractProtobufProcessInstanceMarshaller.java:343)</p><p>          at org.jbpm.marshalling.impl.AbstractProtobufProcessInstanceMarshaller.writeNodeInstance(AbstractProtobufProcessInstanceMarshaller.java:149)</p><p>          at org.jbpm.marshalling.impl.AbstractProtobufProcessInstanceMarshaller.writeProcessInstance(AbstractProtobufProcessInstanceMarshaller.java:107)</p><p>          at org.jbpm.marshalling.impl.AbstractProtobufProcessInstanceMarshaller.writeProcessInstance(AbstractProtobufProcessInstanceMarshaller.java:70)</p><p>          at org.jbpm.persistence.processinstance.ProcessInstanceInfo.update(ProcessInstanceInfo.java:198)</p><p>          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)</p><p>          at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)</p><p>          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)</p><p>          at java.lang.reflect.Method.invoke(Method.java:597)</p><p>          at org.hibernate.ejb.event.BeanCallback.invoke(BeanCallback.java:37)</p><p>          at org.hibernate.ejb.event.EntityCallbackHandler.callback(EntityCallbackHandler.java:94)</p><p>          at org.hibernate.ejb.event.EntityCallbackHandler.preUpdate(EntityCallbackHandler.java:79)</p><p>          at org.hibernate.ejb.event.EJB3FlushEntityEventListener.invokeInterceptor(EJB3FlushEntityEventListener.java:61)</p><p>          at org.hibernate.event.def.DefaultFlushEntityEventListener.handleInterception(DefaultFlushEntityEventListener.java:349)</p><p>          at org.hibernate.event.def.DefaultFlushEntityEventListener.scheduleUpdate(DefaultFlushEntityEventListener.java:287)</p><p>          at org.hibernate.event.def.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:155)</p><p>          at org.hibernate.event.def.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:219)</p><p>          at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:99)</p><p>          at org.hibernate.event.def.DefaultAutoFlushEventListener.onAutoFlush(DefaultAutoFlushEventListener.java:58)</p><p>          at org.hibernate.impl.SessionImpl.autoFlushIfRequired(SessionImpl.java:1175)</p><p>          at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1251)</p><p>          at org.hibernate.impl.QueryImpl.list(QueryImpl.java:102)</p><p>          at org.hibernate.ejb.QueryImpl.getSingleResult(QueryImpl.java:269)</p><p>          at org.springframework.data.jpa.repository.query.JpaQueryExecution$SingleEntityExecution.doExecute(JpaQueryExecution.java:123)</p><p>          at org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:55)</p><p>          at org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:95)</p><p>          at org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:85)</p><p>          at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:313)</p><p>          at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)</p><p>          at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)</p><p>          at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)</p><p>          at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:155)</p><p>          ... 61 more</p></div>
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