[rules-users] NPE in LeftTupleSetsImpl.removeUpdate

[Davide Sottara]

It has almost certainly been fixed in 6.1
Davide

On 07/31/2014 03:40 AM, David Zeigler wrote:
> Hi,
> I'm using drools 6.0.1.Final.  I received a NPE in
> the org.drools.core.common.LeftTupleSetsImpl.removeUpdate() method on
> line 172, which corresponds to this line for 6.0.1.Final:
> previous.setStagedNext( next );
>
> I see 2 commits in 6.1.0 to address NPEs in this class but I'm not
> sure if either of those cover this particular NPE.  I'm unable
> to reproduce this issue with my code after the first occurrence.  Does
> anyone know if this has been fixed in 6.1.0? Please let me know if I
> can provide additional info or if I should open a defect in Jira.
>
> Thanks,
> David
>
> Here is the stack trace:
> java.lang.NullPointerException
>         at
> org.drools.core.common.LeftTupleSetsImpl.removeUpdate(LeftTupleSetsImpl.java:172)
>         at
> org.drools.core.common.LeftTupleSetsImpl.addDelete(LeftTupleSetsImpl.java:84)
>         at
> org.drools.core.common.SynchronizedLeftTupleSets.addDelete(SynchronizedLeftTupleSets.java:20)
>         at
> org.drools.core.reteoo.LeftInputAdapterNode.doDeleteSegmentMemory(LeftInputAdapterNode.java:339)
>         at
> org.drools.core.reteoo.LeftInputAdapterNode.doDeleteObject(LeftInputAdapterNode.java:301)
>         at
> org.drools.core.reteoo.LeftInputAdapterNode.retractLeftTuple(LeftInputAdapterNode.java:417)
>         at
> org.drools.core.reteoo.ObjectTypeNode.doRetractObject(ObjectTypeNode.java:352)
>         at
> org.drools.core.reteoo.ObjectTypeNode.retractObject(ObjectTypeNode.java:335)
>         at
> org.drools.core.reteoo.EntryPointNode.retractObject(EntryPointNode.java:395)
>         at
> org.drools.core.common.NamedEntryPoint.delete(NamedEntryPoint.java:605)
>         at
> org.drools.core.common.AbstractWorkingMemory.delete(AbstractWorkingMemory.java:1184)
>         at
> org.drools.core.common.AbstractWorkingMemory.delete(AbstractWorkingMemory.java:1176)
>         at
> org.drools.core.impl.StatefulKnowledgeSessionImpl.delete(StatefulKnowledgeSessionImpl.java:316)
>
>
> _______________________________________________
> rules-users mailing list
> rules-users at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-users

-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.jboss.org/pipermail/rules-users/attachments/20140731/9b4ef329/attachment.html