Different versions of the Eclipse Plugin and Guvnor is definitely a problem you will want to eliminate.

I had no problem finding a download the the Eclipse Plugin: http://download.jboss.org/drools/release/5.4.0.Final/droolsjbpm-tools-distribution-5.4.0.Final.zip. There was a change made in 5.4 that affected the way binary packages are serialized (the need for the change arose from Drools Expert to support declarative models in different packages - which sounds related to what you are experiencing).

With kind regards,

Mike

On 26 July 2012 13:09, abhinay_agarwal <abhinay_agarwal@infosys.com> wrote:
i would also like to know if there can be any jar issue's ..

i m using drools plugin 5.4 Final in eclipse and Guvnor v is 5.3.0 Final

please lemme know (in details), the reason behind "KnowledgeAgent exception
while trying to deserialize KnowledgeDefinitionsPackage" error !!!

I read one of "mike's" post on it...

http://drools.46999.n3.nabble.com/KnowledgeAgent-exception-while-trying-to-deserialize-KnowledgeDefinitionsPackage-td2192555.html

which said that the cersion should be same...but i did not get any download
link for guvnor 5.3.0Final plugin for ECLIPSE !!!

Thanks,
Abhinay



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