Hi guys,

This exception is bothering me. I have a server running drools in after few days, drools starts throwing it and I have to recompile all the knowledge packages to make it work again.

Does anyone knows what is triggering it?

Thanks in advance.

SEVERE|glassfish3.1.2|javax.enterprise.system.std.com.sun.enterprise.server.logging|_ThreadID=25;_ThreadName=Thread-2;|java.lang.ClassCastException: org.drools.reteoo.FromNode cannot be cast to org.drools.reteoo.BetaNode

at org.drools.reteoo.ReteooBuilder.resetMasks(ReteooBuilder.java:303)

at org.drools.reteoo.ReteooBuilder.removeRule(ReteooBuilder.java:267)

at org.drools.reteoo.ReteooRuleBase.removeRule(ReteooRuleBase.java:459)

at org.drools.common.AbstractRuleBase.removeRule(AbstractRuleBase.java:1107)

at org.drools.common.AbstractRuleBase.mergePackage(AbstractRuleBase.java:851)

at org.drools.common.AbstractRuleBase.addPackages(AbstractRuleBase.java:610)

at org.drools.reteoo.ReteooRuleBase.addPackages(ReteooRuleBase.java:472)

at org.drools.impl.KnowledgeBaseImpl.addKnowledgePackages(KnowledgeBaseImpl.java:150)

Paulo Reis

casmeiron@gmail.com