Maciej Swiderski [http://community.jboss.org/people/swiderski.maciej] created 
the discussion

"Re: Using Timers to Interrupt Synchronous Process in jBPM5"

To view the discussion, visit: http://community.jboss.org/message/635043#635043

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Hi,

issue you are facing is due to thread synchronization. You start a process on a 
thread that does not complete when timer is fired. Timer is executed on 
separate thread but it cannot continue because it waits until the first 
operation will release process instance which does not happen so the sleeping 
time expires in your work item handler and timer does not have opportunity to 
complete.

Please find attached modified work item handler that moves the work to be done 
on separate thread and releases the main thread that started the process. With 
this timer is fired properly and activity is aborted.

HTH
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