[jboss-jira] [JBoss JIRA] (DROOLS-18) [Error: incompatible types in statement: boolean (compared from: class be.axi.planner.domain.Task)]

[Mario Fusco (JIRA)]

    [ https://issues.jboss.org/browse/DROOLS-18?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12751341#comment-12751341 ] 

Mario Fusco commented on DROOLS-18:
-----------------------------------

Ok, cool. So can I close this ticket?
                
> [Error: incompatible types in statement: boolean (compared from: class be.axi.planner.domain.Task)]
> ---------------------------------------------------------------------------------------------------
>
>                 Key: DROOLS-18
>                 URL: https://issues.jboss.org/browse/DROOLS-18
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>         Environment: Windows 7 64Bit
> Java 1.7.0
> Drools-core 5.5.0.Final
> Drools-compiler 5.5.0.Final
> Mvel2 2.1.3.Final
>            Reporter: Michiel Vermandel
>            Assignee: Mario Fusco
>            Priority: Critical
>
> In about one out of ten JUnit runs, I get a crash with stack trace. 
> The process terminates immediately. 
> Unit test output is 100% the same on successful runs.
> Stack trace:
> [Error: incompatible types in statement: boolean (compared from: class be.axi.planner.domain.Task)]
> [Near : {... this == lead ....}]
>              ^
> [Line: 1, Column: 1]
>     at org.mvel2.ast.BinaryOperation.<init>(BinaryOperation.java:84)
>     at org.mvel2.util.CompilerTools.finalizePayload(CompilerTools.java:118)
>     at org.mvel2.compiler.ExpressionCompiler._compile(ExpressionCompiler.java:287)
>     at org.mvel2.compiler.ExpressionCompiler.compile(ExpressionCompiler.java:62)
>     at org.mvel2.MVEL.compileExpression(MVEL.java:810)
>     at org.drools.base.mvel.MVELCompilationUnit.compile(MVELCompilationUnit.java:435)
>     at org.drools.base.mvel.MVELCompilationUnit.getCompiledExpression(MVELCompilationUnit.java:238)
>     at org.drools.rule.constraint.MvelConstraint.createMvelConditionEvaluator(MvelConstraint.java:206)
>     at org.drools.rule.constraint.MvelConstraint.evaluate(MvelConstraint.java:190)
>     at org.drools.rule.constraint.MvelConstraint.isAllowed(MvelConstraint.java:157)
>     at org.drools.reteoo.AlphaNode.assertObject(AlphaNode.java:137)
>     at org.drools.reteoo.CompositeObjectSinkAdapter.doPropagateAssertObject(CompositeObjectSinkAdapter.java:497)
>     at org.drools.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:382)
>     at org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:235)
>     at org.drools.reteoo.EntryPointNode.assertObject(EntryPointNode.java:240)
>     at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:350)
>     at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:311)
>     at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:903)
>     at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:847)
>     at org.drools.planner.core.score.director.drools.DroolsScoreDirector.afterEntityAdded(DroolsScoreDirector.java:103)
>     at org.drools.planner.core.heuristic.selector.variable.PlanningVariableWalker.moveIterator(PlanningVariableWalker.java:145)
>     at org.drools.planner.core.constructionheuristic.greedyFit.decider.DefaultGreedyDecider.decideNextStep(DefaultGreedyDecider.java:74)
>     at org.drools.planner.core.constructionheuristic.greedyFit.DefaultGreedyFitSolverPhase.solve(DefaultGreedyFitSolverPhase.java:65)
>     at org.drools.planner.core.solver.DefaultSolver.runSolverPhases(DefaultSolver.java:190)
>     at org.drools.planner.core.solver.DefaultSolver.solve(DefaultSolver.java:155)
>     at be.axi.planner.app.InspectionSchedule.solve(InspectionSchedule.java:192)
>     at be.axi.planner.testcore.AbstractPlanningTestClass.solve(AbstractPlanningTestClass.java:288)
>     at be.axi.planner.testcore.AbstractPlanningTestClass.solve(AbstractPlanningTestClass.java:298)
>     at be.axi.planner.testcore.AbstractPlanningTestClass.solve(AbstractPlanningTestClass.java:315)
>     at be.axi.planner.TaskGroupingTest.communitySuccess02(TaskGroupingTest.java:289)
>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>     at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
>     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
>     at java.lang.reflect.Method.invoke(Unknown Source)
>     at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
>     at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
>     at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
>     at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
>     at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
>     at org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79)
>     at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71)
>     at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49)
>     at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
>     at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
>     at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
>     at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
>     at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
>     at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
>     at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
>     at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
>     at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
>     at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
>     at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
>     at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)

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