[jira] [Created] (FLINK-1167) CompilerException caused by NullPointerException

[Shang Yuanchun (Jira)]

Maximilian Alber created FLINK-1167:
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             Summary: CompilerException caused by NullPointerException
                 Key: FLINK-1167
                 URL: https://issues.apache.org/jira/browse/FLINK-1167
             Project: Flink
          Issue Type: Bug
    Affects Versions: 0.7-incubating
            Reporter: Maximilian Alber
            Priority: Minor


Run into it during working on my code. Seems not caused by my plan, or anyway the compiler should have a NullPointer isssue:

org.apache.flink.compiler.CompilerException: An error occurred while translating the optimized plan to a nephele JobGraph: Error translating node 'Union "Union" : UNION [[ GlobalProperties [partitioning=HASH_PARTITIONED, on fields [0]] ]] [[ LocalProperties [ordering=null, grouped=null, unique=null] ]]': null
        at org.apache.flink.compiler.plantranslate.NepheleJobGraphGenerator.postVisit(NepheleJobGraphGenerator.java:543)
        at org.apache.flink.compiler.plantranslate.NepheleJobGraphGenerator.postVisit(NepheleJobGraphGenerator.java:95)
        at org.apache.flink.compiler.plan.DualInputPlanNode.accept(DualInputPlanNode.java:170)
        at org.apache.flink.compiler.plan.SingleInputPlanNode.accept(SingleInputPlanNode.java:196)
        at org.apache.flink.compiler.plan.SingleInputPlanNode.accept(SingleInputPlanNode.java:196)
        at org.apache.flink.compiler.plan.OptimizedPlan.accept(OptimizedPlan.java:165)
        at org.apache.flink.compiler.plantranslate.NepheleJobGraphGenerator.compileJobGraph(NepheleJobGraphGenerator.java:163)
        at org.apache.flink.client.program.Client.getJobGraph(Client.java:218)
        at org.apache.flink.client.program.Client.run(Client.java:290)
        at org.apache.flink.client.program.Client.run(Client.java:285)
        at org.apache.flink.client.program.Client.run(Client.java:230)
        at org.apache.flink.client.CliFrontend.executeProgram(CliFrontend.java:347)
        at org.apache.flink.client.CliFrontend.run(CliFrontend.java:334)
        at org.apache.flink.client.CliFrontend.parseParameters(CliFrontend.java:1001)
        at org.apache.flink.client.CliFrontend.main(CliFrontend.java:1025)
Caused by: org.apache.flink.compiler.CompilerException: Error translating node 'Union "Union" : UNION [[ GlobalProperties [partitioning=HASH_PARTITIONED, on fields [0]] ]] [[ LocalProperties [ordering=null, grouped=null, unique=null] ]]': null
        at org.apache.flink.compiler.plantranslate.NepheleJobGraphGenerator.preVisit(NepheleJobGraphGenerator.java:338)
        at org.apache.flink.compiler.plantranslate.NepheleJobGraphGenerator.preVisit(NepheleJobGraphGenerator.java:95)
        at org.apache.flink.compiler.plan.DualInputPlanNode.accept(DualInputPlanNode.java:162)
        at org.apache.flink.compiler.plan.WorksetIterationPlanNode.acceptForStepFunction(WorksetIterationPlanNode.java:196)
        at org.apache.flink.compiler.plantranslate.NepheleJobGraphGenerator.postVisit(NepheleJobGraphGenerator.java:398)
        ... 14 more
Caused by: java.lang.NullPointerException
        at org.apache.flink.runtime.operators.util.TaskConfig.setDriver(TaskConfig.java:307)
        at org.apache.flink.compiler.plantranslate.NepheleJobGraphGenerator.createDualInputVertex(NepheleJobGraphGenerator.java:793)
        at org.apache.flink.compiler.plantranslate.NepheleJobGraphGenerator.preVisit(NepheleJobGraphGenerator.java:286)
        ... 18 more




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