Re: [rules-users] NullPointerException with float field

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 > >