[rules-users] NullPointerException with float field

[Edson Tirelli]

   Seems like a bug, yes. Wanna try to fix and provide patch?

drools-core/src/main/java/org/drools/base/extractors/BaseObjectClassFieldExtractor.java

   []s
   Edson


2008/12/2 techy <techluver007 at gmail.com>

>
> Hello Mark,
> Is this a bug?
>
>
>
> techy wrote:
> >
> > I use 4.0.7.
> >
> >
> > Mark Proctor wrote:
> >>
> >> techy wrote:
> >>> I have rule that logical comparison with two Float fields(like price <
> >>> bidPrice || price >= bidPrice ). I get following exception if one of
> >>> field
> >>> is null. Is this expected behaviour? Please clarify. Thanks
> >>>
> >> what version of drools are you using? Nullpointers on direct fields
> >> should not happen on drools 4.0.5, or 5.0M3.
> >>
> >> Mark
> >>>
> >>> Caused by: java.lang.NullPointerException
> >>>     at
> >>>
> org.drools.base.extractors.BaseObjectClassFieldExtractor.getFloatValue(BaseObjectClassFieldExtractor.java:84)
> >>>     at
> >>>
> org.drools.base.ClassFieldExtractor.getFloatValue(ClassFieldExtractor.java:191)
> >>>     at
> >>>
> org.drools.base.evaluators.FloatFactory$FloatLessEvaluator.evaluate(FloatFactory.java:250)
> >>>     at
> >>>
> org.drools.rule.VariableRestriction.isAllowed(VariableRestriction.java:73)
> >>>     at
> >>>
> org.drools.rule.VariableConstraint.isAllowed(VariableConstraint.java:67)
> >>>     at org.drools.rule.AndConstraint.isAllowed(AndConstraint.java:47)
> >>>     at org.drools.rule.OrConstraint.isAllowed(OrConstraint.java:50)
> >>>     at org.drools.reteoo.AlphaNode.assertObject(AlphaNode.java:137)
> >>>     at
> >>>
> org.drools.reteoo.SingleObjectSinkAdapter.propagateAssertObject(SingleObjectSinkAdapter.java:22)
> >>>     at org.drools.reteoo.AlphaNode.assertObject(AlphaNode.java:145)
> >>>     at
> >>>
> org.drools.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:318)
> >>>     at org.drools.reteoo.AlphaNode.assertObject(AlphaNode.java:145)
> >>>     at
> >>>
> org.drools.reteoo.SingleObjectSinkAdapter.propagateAssertObject(SingleObjectSinkAdapter.java:22)
> >>>     at org.drools.reteoo.AlphaNode.assertObject(AlphaNode.java:145)
> >>>     at
> >>>
> org.drools.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:318)
> >>>     at
> >>> org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:162)
> >>>     at org.drools.reteoo.Rete.assertObject(Rete.java:175)
> >>>     at
> >>> org.drools.reteoo.ReteooRuleBase.assertObject(ReteooRuleBase.java:192)
> >>>     at
> >>>
> org.drools.reteoo.ReteooWorkingMemory.doInsert(ReteooWorkingMemory.java:71)
> >>>     at
> >>>
> org.drools.common.AbstractWorkingMemory.update(AbstractWorkingMemory.java:1287)
> >>>     at
> >>>
> org.drools.base.DefaultKnowledgeHelper.update(DefaultKnowledgeHelper.java:103)
> >>>
> >>
> >>
> >> _______________________________________________
> >> rules-users mailing list
> >> rules-users at lists.jboss.org
> >> https://lists.jboss.org/mailman/listinfo/rules-users
> >>
> >>
> >
> >
>
> --
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>
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-- 
 Edson Tirelli
 JBoss Drools Core Development
 JBoss, a division of Red Hat @ www.jboss.com
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