[JBoss JIRA] (JBESB-3862) AbstractBpm5Action is registering handlers too freely
by RH Bugzilla Integration (JIRA)
[ https://issues.jboss.org/browse/JBESB-3862?page=com.atlassian.jira.plugin... ]
RH Bugzilla Integration commented on JBESB-3862:
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tcunning(a)redhat.com made a comment on [bug 850891|https://bugzilla.redhat.com/show_bug.cgi?id=850891]
> AbstractBpm5Action is registering handlers too freely
> -----------------------------------------------------
>
> Key: JBESB-3862
> URL: https://issues.jboss.org/browse/JBESB-3862
> Project: JBoss ESB
> Issue Type: Bug
> Security Level: Public(Everyone can see)
> Components: Process flow
> Affects Versions: 4.11
> Reporter: Tom Cunningham
> Assignee: Tom Cunningham
> Fix For: 4.11 CP1
>
>
> Explanation from Rick Wagner's BZ :
> AbstractBpm5Action is doing some handler registration for *each* process instance start and service callback:
> ....
> ksession.getWorkItemManager().registerWorkItemHandler("JBossESB", esbhandler);
> ksession.getWorkItemManager().registerWorkItemHandler("ESBAction", actionhandler);
> ksession.getWorkItemManager().registerWorkItemHandler("Human Task", khandler);
> 'khandler' in particular is an instance of CommandBasedHornetQWSHumanTaskHandler by default.
> So when the user goes to close a task, all those handlers fire (JPA trips up, too):
> 012-08-22 12:32:06,006 INFO [STDOUT] (Thread-32) Notification of completed task 132
> 2012-08-22 12:32:06,017 INFO [STDOUT] (Thread-34) Notification of completed task 132
> 2012-08-22 12:32:06,025 INFO [STDOUT] (Thread-35) Notification of completed task 132
> 2012-08-22 12:32:06,033 INFO [STDOUT] (Thread-36) Notification of completed task 132
> 2012-08-22 12:32:06,042 INFO [STDOUT] (Thread-37) Notification of completed task 132
> 2012-08-22 12:32:06,049 INFO [STDOUT] (Thread-37) Notification of completed task 132
> 2012-08-22 12:32:06,056 INFO [STDOUT] (Thread-38) Notification of completed task 132
> 2012-08-22 12:32:06,063 INFO [STDOUT] (Thread-39) Notification of completed task 132
> 2012-08-22 12:32:06,069 INFO [STDOUT] (Thread-40) Notification of completed task 132
> 2012-08-22 12:32:06,076 INFO [STDOUT] (Thread-41) Notification of completed task 132
> 2012-08-22 12:32:06,082 INFO [STDOUT] (Thread-41) Notification of completed task 132
> 2012-08-22 12:32:05,985 INFO [STDOUT] (Thread-31) Notification of completed task 132
> 2012-08-22 12:32:05,998 ERROR [org.hibernate.event.def.AbstractFlushingEventListener] (Thread-31) 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.persistence.processinstance.ProcessInstanceInfo#44]
> at org.hibernate.persister.entity.AbstractEntityPersister.check(AbstractEntityPersister.java:1782)
> .......
> at org.jbpm.task.service.hornetq.CommandBasedHornetQWSHumanTaskHandler$GetCompletedTaskResponseHandler.execute(CommandBasedHornetQWSHumanTaskHandler.java:273)
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