[rules-users] Weird drools exception happens from times to times

[Mark Proctor]

Check the MANIFEST.MF the version is there.

Specification-Title: Knowledge API
Specification-Version: 5.4.0.Final
Specification-Vendor: JBoss by Red Hat
Implementation-Title: Knowledge API
Implementation-Version: 5.4.0.Final
Implementation-Vendor-Id: org.drools
Implementation-Vendor: JBoss by Red Hat

Mark
On 23 Aug 2012, at 18:27, Paulo Reis <casmeiron at gmail.com> wrote:

> 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 at gmail.com
> 
> 
> 
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