Thomas Setiabudi [https://community.jboss.org/people/thomas.setiabudi] created the discussion
"Re: Concurrency problems with JBPM 5.4" To view the discussion, visit: https://community.jboss.org/message/829220#829220 -------------------------------------------------------------- Hi Jon Kranes, I got this problem too before. I am using JBPM5.4 Final, Spring 3, and MS SQL Server 2008 Db. few things that I remember: 1. when you start process or when you do completeTask, remove the @Transactional annotation. And let the jBPM engine handle the transaction. (I got a problem where my Web App got hang like endless locking, and this clears the issue) 2. add unique index for "processInstanceId" field in database table "ProcessInstanceLog" (I got a problem where the jBPM engine throws deadlock exception when starting task without human task with multiple thread) Hope this helps. Regards, Thomas Setiabudi -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/829220#829220] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&containerType=14&container=2034]
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