org.drools.core.common.DefaultFactHandle cannot be cast to org.drools.core.common.EventFactHandle ------------------------------------------------------------------------------------------------- Key: DROOLS-753 URL: https://issues.jboss.org/browse/DROOLS-753 Project: Drools Issue Type: Bug Components: core engine Affects Versions: 6.2.0.Final Environment: win7 java Reporter: MR-C MR-C Assignee: Mario Fusco Hi,when I use drools do some cep rules.I accour an exception.for more infomation,look at Forum Reference.