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 <[EMAIL PROTECTED]> > > 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 > >> [email protected] > >> https://lists.jboss.org/mailman/listinfo/rules-users > >> > >> > > > > > > -- > View this message in context: > http://www.nabble.com/NullPointerException-with-float-field-tp20740799p20798617.html > Sent from the drools - user mailing list archive at Nabble.com. > > _______________________________________________ > rules-users mailing list > [email protected] > https://lists.jboss.org/mailman/listinfo/rules-users > -- Edson Tirelli JBoss Drools Core Development JBoss, a division of Red Hat @ www.jboss.com
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