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(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users

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(a)lists.jboss.org >> https://lists.jboss.org/mailman/listinfo/rules-users >> >> > > -- View this message in context: http://www.nabble.com/NullPointerException-with-float-field-tp20740799p20... Sent from the drools - user mailing list archive at Nabble.com. _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users