[jboss-jira] [JBoss JIRA] Updated: (JBRULES-1719) EvalConditionNode removal throws ClassCastException

[Mark Proctor (JIRA)]

     [ https://jira.jboss.org/jira/browse/JBRULES-1719?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mark Proctor updated JBRULES-1719:
----------------------------------

    Summary: EvalConditionNode removal throws ClassCastException  (was: eval rule in RuleAgent)


> EvalConditionNode removal throws ClassCastException
> ---------------------------------------------------
>
>                 Key: JBRULES-1719
>                 URL: https://jira.jboss.org/jira/browse/JBRULES-1719
>             Project: JBoss Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: drools-compiler
>    Affects Versions: 5.0.0.M1
>            Reporter: niall oriordan
>            Assignee: Edson Tirelli
>             Fix For: 5.0.0.M5
>
>
> Hi,
> I have the following drl file.
> ==================================
> package bugTestingFail
> rule "Price hits Target"
> when
> eval ( true )
> then
> end
> ==================================
> It is managed by a RuleAgent.
> However, when I change the drl file from the source, I get the following except
> ion:
> RuleAgent(MARKET_DATA) INFO (Wed Aug 06 15:43:53 EST 2008): Applying changes to
> the rulebase.
> RuleAgent(MARKET_DATA) EXCEPTION (Wed Aug 06 15:43:53 EST 2008):
> org.drools.reteoo.EvalConditionNode$EvalMemory cannot be cast to
> org.drools.reteoo.BetaMemory. Stack trace should follow.
> java.lang.ClassCastException: org.drools.reteoo.EvalConditionNode$EvalMemory
> cannot be cast to org.drools.reteoo.BetaMemory
> at org.drools.reteoo.EvalConditionNode.doRemove(EvalConditionNode.java:265)
> at org.drools.common.BaseNode.remove(BaseNode.java:87)
> at org.drools.reteoo.RuleTerminalNode.doRemove(RuleTerminalNode.java:505)
> at org.drools.common.BaseNode.remove(BaseNode.java:87)
> at org.drools.reteoo.ReteooBuilder.removeRule(ReteooBuilder.java:242)
> at org.drools.reteoo.ReteooRuleBase.removeRule(ReteooRuleBase.java:366)
> at org.drools.common.AbstractRuleBase.removeRule(AbstractRuleBase.java:705)
> at org.drools.common.AbstractRuleBase.removePackage(AbstractRuleBase.java:622)
> at org.drools.agent.PackageProvider.removePackage(PackageProvider.java:45)
> at org.drools.agent.PackageProvider.applyChanges(PackageProvider.java:63)
> at org.drools.agent.RuleAgent.refreshRuleBase(RuleAgent.java:320)
> at org.drools.agent.RuleAgent$2.run(RuleAgent.java:438)
> at java.util.TimerThread.mainLoop(Timer.java:512)
> at java.util.TimerThread.run(Timer.java:462)
> This only happens to me when I am editing rules files that have an eval
> condition.

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