jBPM processInstance question
xinhua Jun 25, 2007 4:37 AMhi,
i want to inject processInstance in action after @CreateProcess like following code:
@Name("printSthAction") @AutoCreate public class PrintSthAction { @Logger Log log; @In private String content; @In ProcessInstance processInstance; public void printout(){ log.info("=============> process Instance is null? #0", processInstance); log.info("=============> print #0", content); } }
jPDL:
<?xml version="1.0"?> <process-definition name="test"> <start-state name="start"> <transition name="printout" to="complete"> <action expression="#{printSthAction.printout}"/> </transition> </start-state> <end-state name="complete" /> </process-definition>
But, i got an exception like this:
10:31:53,653 ERROR [GraphElement] action threw exception: couldn't evaluate expression '#{printSthAction.printout}' org.jbpm.JbpmException: couldn't evaluate expression '#{printSthAction.printout}' at org.jbpm.jpdl.el.impl.JbpmExpressionEvaluator.evaluate(JbpmExpressionEvaluator.java:52) at org.jbpm.graph.def.Action.execute(Action.java:119) at org.jbpm.graph.def.GraphElement.executeAction(GraphElement.java:235) at org.jbpm.graph.def.GraphElement.executeActions(GraphElement.java:212) at org.jbpm.graph.def.GraphElement.fireAndPropagateEvent(GraphElement.java:182) at org.jbpm.graph.def.GraphElement.fireEvent(GraphElement.java:166) at org.jbpm.graph.def.Transition.take(Transition.java:106) at org.jbpm.graph.def.Node.leave(Node.java:383) at org.jbpm.graph.node.StartState.leave(StartState.java:70) 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 org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:173) at org.jbpm.graph.def.Node_$$_javassist_432.leave(Node_$$_javassist_432.java) at org.jbpm.graph.exe.Token.signal(Token.java:178) at org.jbpm.graph.exe.Token.signal(Token.java:123) at org.jbpm.graph.exe.ProcessInstance.signal(ProcessInstance.java:217) at org.jboss.seam.core.BusinessProcess.createProcess(BusinessProcess.java:116) at org.jboss.seam.interceptors.BusinessProcessInterceptor.afterInvocation(BusinessProcessInterceptor.java:98) at org.jboss.seam.interceptors.BusinessProcessInterceptor.aroundInvoke(BusinessProcessInterceptor.java:50) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69) at org.jboss.seam.interceptors.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:27) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69) at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:103) at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:151) at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:87) at de.strato.bussiness.schedular.job.AutoProcessJob2_$$_javassist_477.excute(AutoProcessJob2_$$_javassist_477.java) at de.strato.bussiness.schedular.QuartzTimeServiceBean.startProccess(QuartzTimeServiceBean.java:42) 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 org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:112) at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:166) at org.jboss.seam.intercept.EJBInvocationContext.proceed(EJBInvocationContext.java:37) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:57) at org.jboss.seam.interceptors.BusinessProcessInterceptor.aroundInvoke(BusinessProcessInterceptor.java:50) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69) at org.jboss.seam.interceptors.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:27) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69) at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:103) at org.jboss.seam.intercept.SessionBeanInterceptor.aroundInvoke(SessionBeanInterceptor.java:53) at sun.reflect.GeneratedMethodAccessor718.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:118) at org.jboss.ejb3.interceptor.EJB3InterceptorsInterceptor.invoke(EJB3InterceptorsInterceptor.java:63) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedEntityManagerInterceptor.java:54) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:47) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:79) at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:191) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:76) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:62) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:77) at org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.java:106) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:46) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.ejb3.stateless.StatelessContainer.localInvoke(StatelessContainer.java:214) at org.jboss.ejb3.stateless.StatelessContainer.localInvoke(StatelessContainer.java:184) at org.jboss.ejb3.stateless.StatelessLocalProxy.invoke(StatelessLocalProxy.java:81) at $Proxy428.startProccess(Unknown Source) 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 org.jboss.seam.util.Reflections.invoke(Reflections.java:21) at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:31) at org.jboss.seam.intercept.ClientSideInterceptor$1.proceed(ClientSideInterceptor.java:72) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:57) at org.jboss.seam.interceptors.AsynchronousInterceptor.aroundInvoke(AsynchronousInterceptor.java:35) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69) at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:103) at org.jboss.seam.intercept.ClientSideInterceptor.invoke(ClientSideInterceptor.java:50) at org.javassist.tmp.java.lang.Object_$$_javassist_475.startProccess(Object_$$_javassist_475.java) 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 org.jboss.seam.util.Reflections.invoke(Reflections.java:21) at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:124) at org.jboss.seam.core.AbstractDispatcher$AsynchronousInvocation.call(AbstractDispatcher.java:126) at org.jboss.seam.core.AbstractDispatcher$Asynchronous.execute(AbstractDispatcher.java:75) at org.jboss.seam.core.QuartzDispatcher$QuartzJob.execute(QuartzDispatcher.java:242) at org.quartz.core.JobRunShell.run(JobRunShell.java:202) at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:529) Caused by: java.lang.IllegalArgumentException: could not set field value: printSthAction.processInstance at org.jboss.seam.Component.setFieldValue(Component.java:1629) at org.jboss.seam.Component.access$500(Component.java:137) at org.jboss.seam.Component$BijectedField.set(Component.java:2355) at org.jboss.seam.Component.injectAttributes(Component.java:1438) at org.jboss.seam.Component.inject(Component.java:1262) at org.jboss.seam.interceptors.BijectionInterceptor.aroundInvoke(BijectionInterceptor.java:46) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69) at org.jboss.seam.interceptors.BusinessProcessInterceptor.aroundInvoke(BusinessProcessInterceptor.java:50) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69) at org.jboss.seam.interceptors.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:27) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69) at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:103) at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:151) at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:87) at de.strato.bussiness.process.action.PrintSthAction_$$_javassist_479.printout(PrintSthAction_$$_javassist_479.java) 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 org.jbpm.jpdl.el.impl.BeanMethod.invoke(BeanMethod.java:19) at org.jbpm.jpdl.el.impl.ArraySuffix.evaluate(ArraySuffix.java:287) at org.jbpm.jpdl.el.impl.ComplexValue.evaluate(ComplexValue.java:146) at org.jbpm.jpdl.el.impl.ExpressionEvaluatorImpl.evaluate(ExpressionEvaluatorImpl.java:264) at org.jbpm.jpdl.el.impl.ExpressionEvaluatorImpl.evaluate(ExpressionEvaluatorImpl.java:191) at org.jbpm.jpdl.el.impl.JbpmExpressionEvaluator.evaluate(JbpmExpressionEvaluator.java:48) ... 94 more Caused by: java.lang.IllegalArgumentException: Could not set field value by reflection: PrintSthAction.processInstance on: de.strato.bussiness.process.action.Pr intSthAction with value: class org.jbpm.graph.exe.ProcessInstance at org.jboss.seam.util.Reflections.set(Reflections.java:78) at org.jboss.seam.Component.setFieldValue(Component.java:1625) ... 118 more Caused by: java.lang.IllegalArgumentException at sun.reflect.UnsafeObjectFieldAccessorImpl.set(UnsafeObjectFieldAccessorImpl.java:63) at java.lang.reflect.Field.set(Field.java:656) at org.jboss.seam.util.Reflections.set(Reflections.java:64) ... 119 more ... 119 more 10:17:59,713 WARN [JDBCExceptionReporter] SQL Error: -177, SQLState: 23000 10:17:59,713 ERROR [JDBCExceptionReporter] Integrity constraint violation - no parent FK_MODINST_PRCINST table: JBPM_PROCESSINSTANCE in statement [insert into J BPM_MODULEINSTANCE (ID_, PROCESSINSTANCE_, TASKMGMTDEFINITION_, CLASS_) values (null, ?, ?, 'T')] 10:17:59,713 WARN [arjLoggerI18N] [com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator_2] TwoPhaseCoordinator.beforeCompletion - failed for com.arjuna.ats.in ternal.jta.resources.arjunacore.SynchronizationImple@1561b1a org.hibernate.exception.ConstraintViolationException: could not insert: [org.jbpm.taskmgmt.exe.TaskMgmtInstance] at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:71) at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43) at org.hibernate.id.insert.AbstractSelectingDelegate.performInsert(AbstractSelectingDelegate.java:40) at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2158) at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2638) at org.hibernate.action.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:48) at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:248) at org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:298) at org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:181) at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:107) at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:187) at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:172) at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.performSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:94) at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:70) at org.hibernate.impl.SessionImpl.fireSaveOrUpdate(SessionImpl.java:507) at org.hibernate.impl.SessionImpl.saveOrUpdate(SessionImpl.java:499) at org.hibernate.engine.CascadingAction$1.cascade(CascadingAction.java:218) at org.hibernate.engine.Cascade.cascadeToOne(Cascade.java:268) at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:216) at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169) at org.hibernate.engine.Cascade.cascadeCollectionElements(Cascade.java:296) at org.hibernate.engine.Cascade.cascadeCollection(Cascade.java:242) at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:219) at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169) at org.hibernate.engine.Cascade.cascade(Cascade.java:130) at org.hibernate.event.def.AbstractFlushingEventListener.cascadeOnFlush(AbstractFlushingEventListener.java:131) at org.hibernate.event.def.AbstractFlushingEventListener.prepareEntityFlushes(AbstractFlushingEventListener.java:122) at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:65) at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:26) at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1000) at org.jboss.seam.core.ManagedJbpmContext.beforeCompletion(ManagedJbpmContext.java:94) at com.arjuna.ats.internal.jta.resources.arjunacore.SynchronizationImple.beforeCompletion(SynchronizationImple.java:114) at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.beforeCompletion(TwoPhaseCoordinator.java:249) at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.end(TwoPhaseCoordinator.java:88) at com.arjuna.ats.arjuna.AtomicAction.commit(AtomicAction.java:177) at com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.commitAndDisassociate(TransactionImple.java:1256) at com.arjuna.ats.internal.jta.transaction.arjunacore.BaseTransaction.commit(BaseTransaction.java:135) at com.arjuna.ats.jbossatx.BaseTransactionManagerDelegate.commit(BaseTransactionManagerDelegate.java:87) at org.jboss.tm.usertx.client.ServerVMClientUserTransaction.commit(ServerVMClientUserTransaction.java:140) at org.jboss.seam.transaction.UTTransaction.commit(UTTransaction.java:35) at org.jboss.seam.util.Work.workInTransaction(Work.java:42) at org.jboss.seam.core.ProcessInstance.getProcessInstance(ProcessInstance.java:41) at sun.reflect.GeneratedMethodAccessor752.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.jboss.seam.util.Reflections.invoke(Reflections.java:21) at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:124) at org.jboss.seam.Component.callComponentMethod(Component.java:1904) at org.jboss.seam.Component.unwrap(Component.java:1930) at org.jboss.seam.Component.getInstance(Component.java:1727) at org.jboss.seam.Component.getInstance(Component.java:1692) at org.jboss.seam.Component.getInstance(Component.java:1669) at org.jboss.seam.Component.getInstance(Component.java:1664) at org.jboss.seam.core.ProcessInstance.instance(ProcessInstance.java:67) at org.jboss.seam.contexts.BusinessProcessContext.getProcessInstance(BusinessProcessContext.java:219) at org.jboss.seam.contexts.BusinessProcessContext.getContextInstance(BusinessProcessContext.java:206) at org.jboss.seam.contexts.BusinessProcessContext.get(BusinessProcessContext.java:56) at org.jboss.seam.contexts.Contexts.lookupInStatefulContexts(Contexts.java:191) at org.jboss.seam.Component.getInstance(Component.java:1679) at org.jboss.seam.Component.getInstance(Component.java:1674) at org.jboss.seam.el.SeamELResolver.getValue(SeamELResolver.java:57) at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:53) at org.jboss.el.parser.AstIdentifier.getValue(AstIdentifier.java:44) at org.jboss.el.parser.AstValue.getTarget(AstValue.java:34) at org.jboss.el.parser.AstValue.invoke(AstValue.java:95) at org.jboss.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276) at org.jboss.seam.core.Expressions$2.invoke(Expressions.java:157) at org.jboss.seam.core.Events.raiseEvent(Events.java:64) at org.jboss.seam.contexts.Contexts.destroy(Contexts.java:215) at org.jboss.seam.contexts.Lifecycle.endCall(Lifecycle.java:80) at org.jboss.seam.core.AbstractDispatcher$Asynchronous.execute(AbstractDispatcher.java:81) at org.jboss.seam.core.QuartzDispatcher$QuartzJob.execute(QuartzDispatcher.java:242) at org.quartz.core.JobRunShell.run(JobRunShell.java:202) at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:529) Caused by: java.sql.SQLException: Integrity constraint violation - no parent FK_MODINST_PRCINST table: JBPM_PROCESSINSTANCE in statement [insert into JBPM_MODUL EINSTANCE (ID_, PROCESSINSTANCE_, TASKMGMTDEFINITION_, CLASS_) values (null, ?, ?, 'T')] at org.hsqldb.jdbc.Util.throwError(Unknown Source) at org.hsqldb.jdbc.jdbcPreparedStatement.executeUpdate(Unknown Source) at org.jboss.resource.adapter.jdbc.CachedPreparedStatement.executeUpdate(CachedPreparedStatement.java:95) at org.jboss.resource.adapter.jdbc.WrappedPreparedStatement.executeUpdate(WrappedPreparedStatement.java:251) at org.hibernate.id.insert.AbstractSelectingDelegate.performInsert(AbstractSelectingDelegate.java:33) ... 71 more
can anyone help me? Thanks.