I filed a pull request to fix this issue: https://github.com/droolsjbpm/drools/pull/7 Best, Laird -- View this message in context: http://drools.46999.n3.nabble.com/Serialization-errors-bug-JBRULES-2976-filed-tp2843422p2843834.html Sent from the Drools: Developer (committer) mailing list mailing list archive at Nabble.com.