Details
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Bug
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Resolution: Done
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Major
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7.4.1.GA
Description
A rule has the following constraint:
$p : Person(likes matches "^[0-9]{3}.*$")
If a Person object is inserted into the working memory with the likes field unset, this results in a NullPointerException when using the executable model:
java.lang.RuntimeException: java.lang.RuntimeException: java.lang.NullPointerException at org.drools.modelcompiler.constraints.ConstraintEvaluator.evaluate(ConstraintEvaluator.java:77) at org.drools.modelcompiler.constraints.LambdaConstraint.isAllowed(LambdaConstraint.java:108) at org.drools.core.reteoo.AlphaNode.assertObject(AlphaNode.java:139) at org.drools.core.reteoo.CompositeObjectSinkAdapter.doPropagateAssertObject(CompositeObjectSinkAdapter.java:501) at org.drools.core.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:399) at org.drools.core.reteoo.ObjectTypeNode.propagateAssert(ObjectTypeNode.java:324) at org.drools.core.phreak.PropagationEntry$Insert.propagate(PropagationEntry.java:161) at org.drools.core.phreak.PropagationEntry$Insert.execute(PropagationEntry.java:166) at org.drools.core.phreak.SynchronizedPropagationList.flush(SynchronizedPropagationList.java:96) at org.drools.core.phreak.SynchronizedPropagationList.flush(SynchronizedPropagationList.java:91) at org.drools.core.common.DefaultAgenda.fireLoop(DefaultAgenda.java:1046) at org.drools.core.common.DefaultAgenda.internalFireAllRules(DefaultAgenda.java:1009) at org.drools.core.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1001) at org.drools.core.impl.StatefulKnowledgeSessionImpl.internalFireAllRules(StatefulKnowledgeSessionImpl.java:1330) at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1321) at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1305) at org.drools.modelcompiler.CompilerTest.testMatchesOnNullString(CompilerTest.java:2003) ... Caused by: java.lang.RuntimeException: java.lang.NullPointerException at org.drools.model.DSL.eval(DSL.java:715) at defaultpkg.RulesD6C04ACCB409930058C1DE751731F5EDRuleMethods0.lambda$rule_R2$8e86359d$1(RulesD6C04ACCB409930058C1DE751731F5EDRuleMethods0.java:39) at org.drools.model.functions.Predicate1$Impl.test(Predicate1.java:18) at org.drools.model.constraints.SingleConstraint1.lambda$getPredicate$8a56b796$1(SingleConstraint1.java:40) at org.drools.modelcompiler.constraints.ConstraintEvaluator.evaluate(ConstraintEvaluator.java:73) ... 49 more Caused by: java.lang.NullPointerException at org.drools.model.operators.MatchesOperator.eval(MatchesOperator.java:27) at org.drools.model.operators.MatchesOperator.eval(MatchesOperator.java:21) at org.drools.model.functions.Operator$SingleValue.test(Operator.java:41) at org.drools.model.functions.Operator$SingleValue.test(Operator.java:39) at org.drools.model.DSL.eval(DSL.java:713) ... 53 more
Attachments
Issue Links
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- Closed
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