[jboss-jira] [JBoss JIRA] (DROOLS-78) NullPointerException in Length Window

[Radai Rosenblatt (JIRA)]

     [ https://issues.jboss.org/browse/DROOLS-78?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Radai Rosenblatt updated DROOLS-78:
-----------------------------------

    Attachment: droolsIssue.zip


maven porject recreating DROOLS-78
                
> NullPointerException in Length Window
> -------------------------------------
>
>                 Key: DROOLS-78
>                 URL: https://issues.jboss.org/browse/DROOLS-78
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>    Affects Versions: 5.5
>            Reporter: Radai Rosenblatt
>            Assignee: Mark Proctor
>         Attachments: droolsIssue.zip
>
>
> when writing a (fusion) rule with a length window and inserting more events than the window size drools produces a null pointer exception on the 1st event over the window size.
> the exception produced is:
> java.lang.NullPointerException
> 	at org.drools.core.util.index.RightTupleIndexHashTable.remove(RightTupleIndexHashTable.java:363)
> 	at org.drools.reteoo.AccumulateNode.retractRightTuple(AccumulateNode.java:318)
> 	at org.drools.rule.SlidingLengthWindow.assertFact(SlidingLengthWindow.java:116)
> 	at org.drools.rule.BehaviorManager.assertFact(BehaviorManager.java:94)
> 	at org.drools.reteoo.WindowNode.assertObject(WindowNode.java:167)
> 	at org.drools.reteoo.CompositeObjectSinkAdapter.doPropagateAssertObject(CompositeObjectSinkAdapter.java:497)
> 	at org.drools.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:382)
> 	at org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:235)
> 	at org.drools.reteoo.EntryPointNode.assertObject(EntryPointNode.java:240)
> 	at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:350)
> 	at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:311)
> 	at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:127)
> 	at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:55)

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