[jboss-jira] [JBoss JIRA] (DROOLS-1368) Property reactive KieSession.update(fh, h, propName) fails in polymorfic case with "Unknown property"

[Geoffrey De Smet (JIRA)]

Geoffrey De Smet created DROOLS-1368:
----------------------------------------

             Summary: Property reactive KieSession.update(fh, h, propName) fails in polymorfic case with "Unknown property"
                 Key: DROOLS-1368
                 URL: https://issues.jboss.org/browse/DROOLS-1368
             Project: Drools
          Issue Type: Bug
          Components: core engine
            Reporter: Geoffrey De Smet
            Assignee: Mario Fusco
            Priority: Critical


I call 

{code}
kieSession.update(factHandle, entity, variableName);
{code}

with entity being an instance of LeadingExam, which extends Exam, which extends AbstractPersistable.
AbstractPersistable has setId(...).
Exam has setTopic(...), setRoom(...).
LeadingExam has setPeriod(...).

I get this:

{code}
java.lang.RuntimeException: Unknown property: period

	at org.drools.core.reteoo.PropertySpecificUtil.setPropertyOnMask(PropertySpecificUtil.java:102)
	at org.drools.core.reteoo.PropertySpecificUtil.calculatePatternMask(PropertySpecificUtil.java:94)
	at org.drools.core.reteoo.PropertySpecificUtil.calculatePositiveMask(PropertySpecificUtil.java:65)
	at org.drools.core.common.NamedEntryPoint.update(NamedEntryPoint.java:313)
	at org.drools.core.impl.StatefulKnowledgeSessionImpl.update(StatefulKnowledgeSessionImpl.java:1605)
	at org.optaplanner.core.impl.score.director.drools.DroolsScoreDirector.update(DroolsScoreDirector.java:169)
	at org.optaplanner.core.impl.score.director.drools.DroolsScoreDirector.afterVariableChanged(DroolsScoreDirector.java:156)
	at org.optaplanner.core.impl.heuristic.selector.move.generic.ChangeMove.doMoveOnGenuineVariables(ChangeMove.java:75)
	at org.optaplanner.core.impl.heuristic.move.AbstractMove.doMove(AbstractMove.java:34)
	at org.optaplanner.core.impl.heuristic.move.CompositeMove.doMove(CompositeMove.java:110)
	at org.optaplanner.core.impl.constructionheuristic.decider.ConstructionHeuristicDecider.doMove(ConstructionHeuristicDecider.java:125)
	at org.optaplanner.core.impl.constructionheuristic.decider.ConstructionHeuristicDecider.decideNextStep(ConstructionHeuristicDecider.java:98)
	at org.optaplanner.core.impl.constructionheuristic.DefaultConstructionHeuristicPhase.solve(DefaultConstructionHeuristicPhase.java:74)
	at org.optaplanner.core.impl.solver.AbstractSolver.runPhases(AbstractSolver.java:87)
	at org.optaplanner.core.impl.solver.DefaultSolver.solve(DefaultSolver.java:160)
	at org.optaplanner.examples.common.app.SolverPerformanceTest.runSpeedTest(SolverPerformanceTest.java:65)
	at org.optaplanner.examples.examination.app.ExaminationPerformanceTest.solveComp_set5FastAssert(ExaminationPerformanceTest.java:52)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)
	at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.lang.Thread.run(Thread.java:745)
{code}

Debugging PropertySpecificUtil shows that settableProperties include "id", "room", "topic", but not "period". 

Note that there is also FollowingExam which also extends Exam.
FollowingExam also has setPeriod(...).



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