[jboss-user] [jBPM] - Re: Mina Human Task Server and close connections - don't refresh the session
gardellajp
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Wed Jan 25 10:08:19 EST 2012
gardellajp [https://community.jboss.org/people/gardellajp] created the discussion
"Re: Mina Human Task Server and close connections - don't refresh the session"
To view the discussion, visit: https://community.jboss.org/message/648693#648693
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Hi,
Any can help me with this? I'm starting with jBPM and I believe that is a simple problem that someone resolved. I suppose is not clear my problem, I try write in other way:
1) I'm using jbpm inside my app, so I'm not using jbpm-console. The app have some screens where show task and interact with them. Some of these task are member of process and other not.
2) When I complete a task I that is member of a process, I do:
a. Load a session that contain the process instance of the task.
b. Complete the task via TaskClient API. I using Apache Mina as Human Task Service.
c. Atach logger to the session to listen nodes activation. If a node is Human Task Node, update the database. So I insert new tasks in App database.
d. Close session and loggers.
My problem is in point d. If I complete the task and next close session and logger, the CommandBasedWSHumanTaskHandler attach to the session not update it becouse the session is closed. A workaround that I've found is before close session sleep the thread a second. So Apache Mina notify the creation of task and the handler (CommandBasedWSHumanTaskHandler) can update session state.
Is a poor solution, but I couldn't found an alternative. I try keep session open in a pool, but when I retry to use have problems like:
[ERROR] Participating in existing JTA transaction, but no JTA TransactionManager or TransactionSychronizationRegistry available:
Can someone give some links or tips to fix it?
Thanks
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