[jboss-jira] [JBoss JIRA] (DROOLS-2170) Unhelful error message: "Unknown property" should not only mention the name of the property, but also the class on which it is expecting it (and the DRL line causing it)

[Geoffrey De Smet (JIRA)]

Geoffrey De Smet created DROOLS-2170:
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             Summary: Unhelful error message: "Unknown property" should not only mention the name of the property, but also the class on which it is expecting it (and the DRL line causing it)
                 Key: DROOLS-2170
                 URL: https://issues.jboss.org/browse/DROOLS-2170
             Project: Drools
          Issue Type: Enhancement
          Components: core engine
    Affects Versions: 7.5.0.Final
            Reporter: Geoffrey De Smet
            Assignee: Mario Fusco


I have no idea which class file it's expecting the room property on in this error message.
I 'll need to look for a needle in a haystack:

{code}
Caused by: java.lang.RuntimeException: Unknown property: room
	at org.drools.core.reteoo.PropertySpecificUtil.setPropertyOnMask(PropertySpecificUtil.java:105)
	at org.drools.core.reteoo.PropertySpecificUtil.calculatePatternMask(PropertySpecificUtil.java:97)
	at org.drools.core.reteoo.PropertySpecificUtil.calculatePositiveMask(PropertySpecificUtil.java:68)
	at org.drools.core.common.NamedEntryPoint.update(NamedEntryPoint.java:327)
	at org.drools.core.impl.StatefulKnowledgeSessionImpl.update(StatefulKnowledgeSessionImpl.java:1545)
	at org.optaplanner.core.impl.score.director.drools.DroolsScoreDirector.update(DroolsScoreDirector.java:210)
	at org.optaplanner.core.impl.score.director.drools.DroolsScoreDirector.afterVariableChanged(DroolsScoreDirector.java:197)
	at org.optaplanner.core.impl.heuristic.selector.move.generic.ChangeMove.doMoveOnGenuineVariables(ChangeMove.java:78)
	at org.optaplanner.core.impl.heuristic.move.AbstractMove.doMove(AbstractMove.java:37)
	at org.optaplanner.core.impl.heuristic.move.AbstractMove.doMove(AbstractMove.java:27)
	at org.optaplanner.core.impl.constructionheuristic.decider.ConstructionHeuristicDecider.doMove(ConstructionHeuristicDecider.java:124)
	at org.optaplanner.core.impl.constructionheuristic.decider.ConstructionHeuristicDecider.decideNextStep(ConstructionHeuristicDecider.java:99)
	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:167)
	at org.optaplanner.examples.common.business.SolutionBusiness.solve(SolutionBusiness.java:329)
	at org.optaplanner.examples.common.swingui.SolverAndPersistenceFrame$SolveWorker.doInBackground(SolverAndPersistenceFrame.java:324)
	at javax.swing.SwingWorker$1.call(SwingWorker.java:295)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at javax.swing.SwingWorker.run(SwingWorker.java:334)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)

{code}




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