[jboss-user] [JBoss jBPM] - Re: reason for catching StaleObjectStateException in Service

[twiceknightly]

I don't pretend to understand all the reasons why such an exception may be thrown.  However if two threads are trying to signal a transition on the same process instance and one fails then I would say you do want to know about that.  

Furthermore presumably if a user interface is involved then you would want to give the user some visual indication of why the app now looks to be in a state that is inconsistent with what they expected.  

UI or not surely if there is a failure you want to rollback and not keep the app in an inconsistent state?  Just gobbling up the exception and not throwing a new exception just seems plain wrong.

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