[jboss-jira] [JBoss JIRA] Assigned: (JBRULES-1003) NullPointerException being thrown while removing a package from RuleBase

[Edson Tirelli (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBRULES-1003?page=all ]

Edson Tirelli reassigned JBRULES-1003:
--------------------------------------

    Assignee: Edson Tirelli  (was: Mark Proctor)

> NullPointerException being thrown while removing a package from RuleBase
> ------------------------------------------------------------------------
>
>                 Key: JBRULES-1003
>                 URL: http://jira.jboss.com/jira/browse/JBRULES-1003
>             Project: JBoss Rules
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: Reteoo
>    Affects Versions:  4.0.0.MR3
>         Environment: Windows XP
>            Reporter: Sarika Khamitkar
>         Assigned To: Edson Tirelli
>
> I get the following exception while removing a rule package from the RuleBase.
> java.lang.NullPointerException
>             at org.drools.reteoo.CompositeObjectSinkAdapter.removeObjectSink(CompositeObjectSinkAdapter.java:125)
>             at org.drools.reteoo.ObjectSource.removeObjectSink(ObjectSource.java:123)
>             at org.drools.reteoo.ObjectTypeNode.removeObjectSink(ObjectTypeNode.java:297)
>             at org.drools.reteoo.ObjectTypeNode.remove(ObjectTypeNode.java:232)
>             at org.drools.reteoo.AlphaNode.remove(AlphaNode.java:187)
>             at org.drools.reteoo.AlphaNode.remove(AlphaNode.java:187)
>             at org.drools.reteoo.BetaNode.remove(BetaNode.java:185)
>             at org.drools.reteoo.BetaNode.remove(BetaNode.java:187)
>             at org.drools.reteoo.RuleTerminalNode.remove(RuleTerminalNode.java:439)
>             at org.drools.reteoo.ReteooBuilder.removeRule(ReteooBuilder.java:135)
>             at org.drools.reteoo.ReteooRuleBase.removeRule(ReteooRuleBase.java:259)
>             at org.drools.common.AbstractRuleBase.removePackage(AbstractRuleBase.java:408)
> ....
> ----------------------------------
> A sample of the drl files:
> package rule2392016206
> import com.servlets.Record;
> import com.servlets.Field;
> import com.servlets.rules.RulesTrigger;
> rule "Property damage"
> when
> rulesTrigger: RulesTrigger(clientID == 123, triggerType == 2)
> record: Record(IDList contains "123")
> (Field (ID == 123, dateValue >= "04-Jul-2000") and Field (ID == 456, fieldValue > 10) ) 
> then
> rulesTrigger.sendEmail(2392016206L, record);
> end
> --------------------------
> The NullPointerException occurs when I execute the following code.
> ruleBase.removePackage("rule2392016206");
> Before removing the package, I am iterating through all the packages in the ruleBase and I can see this package name in the list. 
> I did not see this exception in 3.0.6.

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