Re: [rules-users] Facing Problem with this exception
Similar bugs have been fixed over different versions, but
it's very difficult to tell without some context.
One would need at least the rule that causes the exception,
but a minimal reproducer (rules + facts) would be ideal.
On 03/05/2014 11:12 AM, Wolfgang Laun wrote:
Could be a bug that has been fixed in some later version - can
someone
confirm this please?
OP is using drools 5.1.1, and should try 5.6.
-W
On 05/03/2014, Mallikarjun Kohalli (mkohalli) <mkohalli(a)cisco.com> wrote:
> Hi All,
> We are getting the following exceptions when drools is executing some
> rules.
>
> Exception:
>
> Caused by: java.lang.NullPointerException
> at
>
org.drools.core.util.LeftTupleIndexHashTable.remove(LeftTupleIndexHashTable.java:251)
> at org.drools.reteoo.NotNode.retractLeftTuple(NotNode.java:226)
> at
>
org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateRetractLeftTuple(SingleLeftTupleSinkAdapter.java:217)
> at
>
org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateRetractRightTuple(SingleLeftTupleSinkAdapter.java:124)
> at org.drools.reteoo.JoinNode.retractRightTuple(JoinNode.java:151)
> at
> org.drools.reteoo.ObjectTypeNode.retractObject(ObjectTypeNode.java:232)
> at
>
org.drools.reteoo.ReteooWorkingMemory$WorkingMemoryReteExpireAction.execute(ReteooWorkingMemory.java:412)
> at
>
org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:1471)
> ... 51 more
>
>
>
> Regards,
> Mallikarjun K
>
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