9:08 a.m.
[
https://issues.jboss.org/browse/DROOLS-103?page=com.atlassian.jira.plugin...
]
Geoffrey De Smet commented on DROOLS-103:
-----------------------------------------
Just encountered this on my local machine in IntelliJ again (FEB-2016). Can't
reproduce it again though :/
I wouldn't be surprised that there's a race condition in this code:
{code}
this.typesafe = ((MVELDialect) dialectRegistry.getDialect( "mvel"
)).isStrictMode();
{code}
{code}
2016-02-09 15:55:50,142 [AWT-EventQueue-0] ...
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at
org.drools.compiler.rule.builder.PackageBuildContext.init(PackageBuildContext.java:104)
at
org.drools.compiler.rule.builder.RuleBuildContext.<init>(RuleBuildContext.java:80)
at
org.drools.compiler.builder.impl.KnowledgeBuilderImpl.buildRuleBuilderContext(KnowledgeBuilderImpl.java:1808)
at
org.drools.compiler.builder.impl.KnowledgeBuilderImpl.preProcessRules(KnowledgeBuilderImpl.java:1125)
at
org.drools.compiler.builder.impl.KnowledgeBuilderImpl.compileRules(KnowledgeBuilderImpl.java:1106)
at
org.drools.compiler.builder.impl.KnowledgeBuilderImpl.compileAllRules(KnowledgeBuilderImpl.java:989)
at
org.drools.compiler.builder.impl.CompositeKnowledgeBuilderImpl.buildRules(CompositeKnowledgeBuilderImpl.java:257)
at
org.drools.compiler.builder.impl.CompositeKnowledgeBuilderImpl.buildPackages(CompositeKnowledgeBuilderImpl.java:121)
at
org.drools.compiler.builder.impl.CompositeKnowledgeBuilderImpl.build(CompositeKnowledgeBuilderImpl.java:105)
at
org.drools.compiler.kie.builder.impl.AbstractKieModule.buildKnowledgePackages(AbstractKieModule.java:243)
at
org.drools.compiler.kie.builder.impl.AbstractKieProject.verify(AbstractKieProject.java:64)
at
org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildKieProject(KieBuilderImpl.java:230)
at org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildAll(KieBuilderImpl.java:198)
at
org.optaplanner.core.config.score.director.ScoreDirectorFactoryConfig.buildDroolsScoreDirectorFactory(ScoreDirectorFactoryConfig.java:447)
at
org.optaplanner.core.config.score.director.ScoreDirectorFactoryConfig.buildScoreDirectorFactory(ScoreDirectorFactoryConfig.java:298)
at
org.optaplanner.core.config.score.director.ScoreDirectorFactoryConfig.buildScoreDirectorFactory(ScoreDirectorFactoryConfig.java:230)
at org.optaplanner.core.config.solver.SolverConfig.buildSolver(SolverConfig.java:233)
at
org.optaplanner.core.impl.solver.AbstractSolverFactory.buildSolver(AbstractSolverFactory.java:52)
at
org.optaplanner.examples.cloudbalancing.app.CloudBalancingApp.createSolver(CloudBalancingApp.java:53)
at
org.optaplanner.examples.common.app.CommonApp.createSolutionBusiness(CommonApp.java:94)
at org.optaplanner.examples.common.app.CommonApp.init(CommonApp.java:81)
at
org.optaplanner.examples.app.OptaPlannerExamplesApp$1.actionPerformed(OptaPlannerExamplesApp.java:184)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
{code}
NPE in PackageBuilderContext for mvel related code
--------------------------------------------------
Key: DROOLS-103
URL: https://issues.jboss.org/browse/DROOLS-103
Project: Drools
Issue Type: Bug
Reporter: Geoffrey De Smet
Assignee: Mario Fusco
Fix For: 6.0.0.CR4
On jenkins drools often craches on this line in PackageBuildContext:
{code}
this.typesafe = ((MVELDialect) dialectRegistry.getDialect( "mvel"
)).isStrictMode();
{code}
This happens in the optaplanner and optaplanner-runTurtleTests jobs.
Locally I haven't seen it yet.
https://jenkins.mw.lab.eng.bos.redhat.com/hudson/view/Drools%20jBPM/view/...
https://jenkins.mw.lab.eng.bos.redhat.com/hudson/view/Drools%20jBPM/view/...
{code}
java.lang.NullPointerException
at
org.drools.compiler.rule.builder.PackageBuildContext.init(PackageBuildContext.java:101)
at
org.drools.compiler.rule.builder.RuleBuildContext.<init>(RuleBuildContext.java:78)
at org.drools.compiler.compiler.PackageBuilder.addRule(PackageBuilder.java:3028)
at org.drools.compiler.compiler.PackageBuilder.compileRules(PackageBuilder.java:948)
at org.drools.compiler.compiler.PackageBuilder.compileAllRules(PackageBuilder.java:854)
at
org.drools.compiler.compiler.CompositeKnowledgeBuilderImpl.buildRules(CompositeKnowledgeBuilderImpl.java:233)
at
org.drools.compiler.compiler.CompositeKnowledgeBuilderImpl.buildPackages(CompositeKnowledgeBuilderImpl.java:88)
at
org.drools.compiler.compiler.CompositeKnowledgeBuilderImpl.build(CompositeKnowledgeBuilderImpl.java:76)
at
org.drools.compiler.kie.builder.impl.AbstractKieModule.buildKnowledgePackages(AbstractKieModule.java:140)
at
org.drools.compiler.kie.builder.impl.AbstractKieProject.verify(AbstractKieProject.java:39)
at
org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildKieModule(KieBuilderImpl.java:207)
at
org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildAll(KieBuilderImpl.java:160)
at
org.optaplanner.core.config.score.director.ScoreDirectorFactoryConfig.buildKieBase(ScoreDirectorFactoryConfig.java:305)
at
org.optaplanner.core.config.score.director.ScoreDirectorFactoryConfig.buildDroolsScoreDirectorFactory(ScoreDirectorFactoryConfig.java:273)
at
org.optaplanner.core.config.score.director.ScoreDirectorFactoryConfig.buildScoreDirectorFactory(ScoreDirectorFactoryConfig.java:180)
at
org.optaplanner.core.config.score.director.ScoreDirectorFactoryConfig.buildScoreDirectorFactory(ScoreDirectorFactoryConfig.java:168)
at org.optaplanner.core.config.solver.SolverConfig.buildSolver(SolverConfig.java:144)
at
org.optaplanner.core.config.solver.XmlSolverFactory.buildSolver(XmlSolverFactory.java:104)
at
org.optaplanner.examples.common.app.SolverPerformanceTest.solve(SolverPerformanceTest.java:86)
at
org.optaplanner.examples.common.app.SolverPerformanceTest.runSpeedTest(SolverPerformanceTest.java:71)
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:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at
org.junit.internal.runners.statements.FailOnTimeout$StatementThread.run(FailOnTimeout.java:74)
{code}
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Geoffrey De Smet (JIRA)