Details
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Bug
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Resolution: Done
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Major
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5.3.0.Beta1
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None
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None
Description
Take the example project from JBRULES-2887 and run it. You'll get this exception:
Exceuting
ruleorg.drools.runtime.rule.ConsequenceException: rule: MESSAGE_HELLO
at org.drools.runtime.rule.impl.DefaultConsequenceExceptionHandler.handleException(DefaultConsequenceExceptionHandler.java:39)
at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:1093)
at org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:1022)
at org.drools.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1243)
at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:733)
at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:699)
at org.drools.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:218)
at com.sample.DroolsTest.main(DroolsTest.java:41)
Caused by: java.lang.NullPointerException
at org.drools.reteoo.ReteooWorkingMemory$EvaluateResultConstraints.execute(ReteooWorkingMemory.java:576)
at org.drools.common.PropagationContextImpl.evaluateActionQueue(PropagationContextImpl.java:265)
at org.drools.common.NamedEntryPoint.update(NamedEntryPoint.java:465)
at org.drools.common.NamedEntryPoint.update(NamedEntryPoint.java:365)
at org.drools.base.DefaultKnowledgeHelper.update(DefaultKnowledgeHelper.java:294)
at com.sample.Rule_MESSAGE_HELLO_0.defaultConsequence(Rule_MESSAGE_HELLO_0.java:8)
at com.sample.Rule_MESSAGE_HELLO_0DefaultConsequenceInvoker.evaluate(Rule_MESSAGE_HELLO_0DefaultConsequenceInvoker.java:27)
at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:1083)
... 6 more
