is a thrown by JBOSS. https://issues.jboss.org/browse/ENTMQ-509 . Apperently this is fixed in Jboss6.1 and above. WFA upgrded to JBOSS 7.1 from WFA2.1. So for any verison >=2.1 this shoudl not come. i.e. Ideally.
so the first question is: What is the WFA version the customer is using?
There are are some tweaks which can be tried.
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