[rules-users] 5.1.1: ArrayIndexOutOfBoundsException in org.drools.core.util.AbstractHashTable

[Anatoly]

maybe ( probably is ) related to JIRA:
JBRULES-2794<https://jira.jboss.org/browse/JBRULES-2794>

/Anatoly

On Thu, Oct 28, 2010 at 11:56 AM, Edson Tirelli <tirelli at post.com> wrote:

>   Lubos,
>
>   Yes, you can always send an e-mail to the list first. In this case,
> it looks like a bug... needs to be investigated. So, can you please
> open a JIRA with the report and ideally provide a test case so that we
> can reproduce the problem and fix it?
>
>   Thanks,
>      Edson
>
> 2010/10/28 Lubos <lpechac at pi-ag.com>:
> >
> > Exception occures at:
> >
> org.drools.core.util.AbstractHashTable$HashTableIterator.next(AbstractHashTable.java:317)
> > in Drools 5.1.1 when calling insert() on just created
> > StatefulKnowledgeSession.
> >
> > I found similar issues reported for LeftTupleIndexHashTable, it had to do
> > with initializing row to -1 instead of 0 or something similar. I see that
> > fixed in Left/RightTupleIndexHashTable but it seems to me like it is
> still
> > present in AbstractHashTable.
> >
> > The bug occures randomly (inserting the same data), usualy under load.
> The
> > index is either -1 or too high. I create multiple sessions in threads
> from
> > one KnowledgeBase, sessions are not shared.
> >
> > Stack trace I got is:
> > java.lang.ArrayIndexOutOfBoundsException: 16
> >                at
> >
> org.drools.core.util.AbstractHashTable$HashTableIterator.next(AbstractHashTable.java:317)
> >                at
> > org.drools.reteoo.EntryPointNode.updateSink(EntryPointNode.java:323)
> >                at
> > org.drools.reteoo.ObjectTypeNode.attach(ObjectTypeNode.java:303)
> >                at
> >
> org.drools.reteoo.builder.PatternBuilder.attachObjectTypeNode(PatternBuilder.java:257)
> >                at
> > org.drools.reteoo.ClassObjectTypeConf.<init>(ClassObjectTypeConf.java:92)
> >                at
> >
> org.drools.common.ObjectTypeConfigurationRegistry.getObjectTypeConf(ObjectTypeConfigurationRegistry.java:68)
> >                at
> >
> org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:981)
> >                at
> >
> org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:917)
> >                at
> >
> org.drools.impl.StatefulKnowledgeSessionImpl.insert(StatefulKnowledgeSessionImpl.java:251)
> >
> > I am not sure if this post belongs here, sorry if not.
> > Thanks for help/suggestions
> > Lubos
> > --
> > View this message in context:
> http://drools-java-rules-engine.46999.n3.nabble.com/5-1-1-ArrayIndexOutOfBoundsException-in-org-drools-core-util-AbstractHashTable-tp1784932p1784932.html
> > Sent from the Drools - User mailing list archive at Nabble.com.
> > _______________________________________________
> > rules-users mailing list
> > rules-users at lists.jboss.org
> > https://lists.jboss.org/mailman/listinfo/rules-users
> >
>
>
>
> --
>   Edson Tirelli
>   JBoss Drools Core Development
>   JBoss by Red Hat @ www.jboss.com
>
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>
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