Hi, I am using JBPM 3.2.2 under JBOSS 4.0.5GA and Hibernate (default JBOSS 4.0.5GA database). I have a very simple process definition, in which I have a fork and a join and I want all nodes to be asynchronous. I have noticed that when I declare the two nodes between the fork/join as asynchronous I get this exception on the stack trace:
| INFO [com.sample.action.DummyTwoActionHandler] Node Name: node1 | INFO [com.sample.action.DummyTwoActionHandler] Node Name: node3 | INFO [com.sample.action.DummyTwoActionHandler] Node Name: node2 | ERROR [org.hibernate.event.def.AbstractFlushingEventListener] Could not synchronize database state with session | org.hibernate.StaleObjectStateException: Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): [org.jbpm.graph.exe.Token#874] | at org.hibernate.persister.entity.AbstractEntityPersister.check(AbstractEntityPersister.java:1699) | at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:2342) | at org.hibernate.persister.entity.AbstractEntityPersister.updateOrInsert(AbstractEntityPersister.java:2242) | at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:2542) | at org.hibernate.action.EntityUpdateAction.execute(EntityUpdateAction.java:92) | at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:248) | at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:232) | at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:140) | 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.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:338) | at org.hibernate.transaction.CacheSynchronization.beforeCompletion(CacheSynchronization.java:59) | at org.jboss.tm.TransactionImpl.doBeforeCompletion(TransactionImpl.java:1491) | at org.jboss.tm.TransactionImpl.beforePrepare(TransactionImpl.java:1110) | at org.jboss.tm.TransactionImpl.commit(TransactionImpl.java:324) | at org.jboss.tm.TxManager.commit(TxManager.java:240) | at org.jboss.jms.asf.StdServerSession.onMessage(StdServerSession.java:351) | at org.jboss.mq.SpyMessageConsumer.sessionConsumerProcessMessage(SpyMessageConsumer.java:905) | at org.jboss.mq.SpyMessageConsumer.addMessage(SpyMessageConsumer.java:170) | at org.jboss.mq.SpySession.run(SpySession.java:323) | at org.jboss.jms.asf.StdServerSession.run(StdServerSession.java:194) | at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:743) | at java.lang.Thread.run(Thread.java:619) | 2007-09-17 17:16:59,171 ERROR [org.jboss.jms.asf.StdServerSession] failed to commit/rollback | org.jboss.tm.JBossRollbackException: Unable to commit, tx=TransactionImpl:XidImpl[FormatId=257, GlobalId=emma/36, BranchQual=, localId=36] status=STATUS_NO_TRANSACTION; - nested throwable: (org.hibernate.StaleObjectStateException: Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): [org.jbpm.graph.exe.Token#874]) | at org.jboss.tm.TransactionImpl.commit(TransactionImpl.java:372) | at org.jboss.tm.TxManager.commit(TxManager.java:240) | at org.jboss.jms.asf.StdServerSession.onMessage(StdServerSession.java:351) | at org.jboss.mq.SpyMessageConsumer.sessionConsumerProcessMessage(SpyMessageConsumer.java:905) | at org.jboss.mq.SpyMessageConsumer.addMessage(SpyMessageConsumer.java:170) | at org.jboss.mq.SpySession.run(SpySession.java:323) | at org.jboss.jms.asf.StdServerSession.run(StdServerSession.java:194) | at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:743) | at java.lang.Thread.run(Thread.java:619) | Caused by: org.hibernate.StaleObjectStateException: Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): [org.jbpm.graph.exe.Token#874] | at org.hibernate.persister.entity.AbstractEntityPersister.check(AbstractEntityPersister.java:1699) | at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:2342) | at org.hibernate.persister.entity.AbstractEntityPersister.updateOrInsert(AbstractEntityPersister.java:2242) | at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:2542) | at org.hibernate.action.EntityUpdateAction.execute(EntityUpdateAction.java:92) | at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:248) | at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:232) | at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:140) | 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.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:338) | at org.hibernate.transaction.CacheSynchronization.beforeCompletion(CacheSynchronization.java:59) | at org.jboss.tm.TransactionImpl.doBeforeCompletion(TransactionImpl.java:1491) | at org.jboss.tm.TransactionImpl.beforePrepare(TransactionImpl.java:1110) | at org.jboss.tm.TransactionImpl.commit(TransactionImpl.java:324) | ... 8 more I am not sure whether this is a bug of JBPM 3.2.2 but it only happens when I declare any nodes that exist between a fork/join as asynchronous. Here is my process definition: | <?xml version="1.0" encoding="UTF-8"?> | | <process-definition | xmlns="urn:jbpm.org:jpdl-3.2" name="AsyncProcessFork"> | <start-state name="start"> | <transition name="" to="node1"></transition> | </start-state> | <node name="node1" async='true'> | <action class="com.sample.action.DummyTwoActionHandler"></action> | <transition name="" to="fork1"></transition> | </node> | <fork name="fork1"> | <transition name="" to="node2"></transition> | <transition name="tr2" to="node3"></transition> | </fork> | <join name="join1"> | <transition name="" to="node4"></transition> | </join> | <node name="node2" async='true'> | <action class="com.sample.action.DummyTwoActionHandler"></action> | <transition name="" to="join1"></transition> | </node> | <node name="node3" async='true'> | <action class="com.sample.action.DummyTwoActionHandler"></action> | <transition name="" to="join1"></transition> | </node> | <end-state name="end1"></end-state> | <node name="node4" async='true'> | <action class="com.sample.action.DummyTwoActionHandler"></action> | <transition name="" to="end1"></transition> | </node> | </process-definition> And here is my DummyActionHandler which just goes to the next node: | public class DummyTwoActionHandler implements ActionHandler { | | static Logger log; | | public void execute(ExecutionContext executionContext) throws Exception { | | log = Logger.getLogger(this.getClass()); | | log.info("Node Name: " + executionContext.getNode().getName()); | | executionContext.getNode().leave(executionContext); | } | | } | I would be really grateful for any help on this matter. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4085146#4085146 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4085146 _______________________________________________ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user