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)
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