Resolution:
Description:
============
In BusinessEvents 3.0.1 there are problems starting BusinessEvents Query Language(BQL) or the Exception java.lang.Exception:Cluster Mismatch error is thrown.

Environment:
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   o TIBCO BusinessEvents 3.0.1

   o TIBCO BusinessEvents Query Language
  

Symptoms:
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BQL doesn't start or throws the following exception -

java.lang.Exception: Cluster Mismatch


Resolution:
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1. Check that the Coherence Cache cluster settings in the BQL engine tra file.

2 Check that the property values in the BQL engine tra file and cache server tra file are same. Example:  value of property multiEngineOn is set same on all the members of cluster.

3. Check the BE (including hotfix) versions with cache server and BQL when started. Also check if there is mismatch in the ear versions in cache server and BQL engine.