Hi,
When inserting an object into the WM it is getting passed into the
Rete-Tree.
Said this, is becomes clear, that some tests get applied and thus a test
like
when
p: Person(name="Eric");
then
....
will throw a NPE when name is null.
hope this helps,
Darko
On 03/12/2007 18:50, Eric Miles wrote:
> Why am I getting this error when attempting to insert an object into
> working memory (stateful session)
>
> java.lang.NullPointerException
> at
> org.drools.common.DefaultFactHandle.<init>(DefaultFactHandle.java:73)
> at
> org.drools.reteoo.ReteooFactHandleFactory.newFactHandle(ReteooFactHandleFactory.java:34)
> at
> org.drools.common.AbstractFactHandleFactory.newFactHandle(AbstractFactHandleFactory.java:57)
> at
> org.drools.common.AbstractFactHandleFactory.newFactHandle(AbstractFactHandleFactory.java:48)
> at org.drools.reteoo.FromNode.assertTuple(FromNode.java:86)
> at
> org.drools.reteoo.CompositeTupleSinkAdapter.createAndPropagateAssertTuple(CompositeTupleSinkAdapter.java:73)
> at
> org.drools.reteoo.LeftInputAdapterNode.assertObject(LeftInputAdapterNode.java:116)
> at
> org.drools.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:317)
> at
> org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:153)
> at org.drools.reteoo.Rete.assertObject(Rete.java:177)
> at
> org.drools.reteoo.ReteooRuleBase.assertObject(ReteooRuleBase.java:192)
> at
> org.drools.reteoo.ReteooWorkingMemory.doInsert(ReteooWorkingMemory.java:71)
> at
> org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:886)
> at
> org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:858)
> at
> org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:659)
> at
> com.kronos.webta.service.smarttime.rules.maxiflex.FlowTest.test2(FlowTest.java:168)
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