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  1. Flink
  2. FLINK-2662

CompilerException: "Bug: Plan generation for Unions picked a ship strategy between binary plan operators."

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Critical
    • Resolution: Fixed
    • Affects Version/s: 0.9.1, 0.10.0
    • Fix Version/s: 1.0.0, 1.1.5, 1.2.0, 1.3.0
    • Component/s: Optimizer
    • Labels:
      None

      Description

      I have a Flink program which throws the exception in the jira title. Full text:

      Exception in thread "main" org.apache.flink.optimizer.CompilerException: Bug: Plan generation for Unions picked a ship strategy between binary plan operators.
      at org.apache.flink.optimizer.traversals.BinaryUnionReplacer.collect(BinaryUnionReplacer.java:113)
      at org.apache.flink.optimizer.traversals.BinaryUnionReplacer.postVisit(BinaryUnionReplacer.java:72)
      at org.apache.flink.optimizer.traversals.BinaryUnionReplacer.postVisit(BinaryUnionReplacer.java:41)
      at org.apache.flink.optimizer.plan.DualInputPlanNode.accept(DualInputPlanNode.java:170)
      at org.apache.flink.optimizer.plan.SingleInputPlanNode.accept(SingleInputPlanNode.java:199)
      at org.apache.flink.optimizer.plan.DualInputPlanNode.accept(DualInputPlanNode.java:163)
      at org.apache.flink.optimizer.plan.DualInputPlanNode.accept(DualInputPlanNode.java:163)
      at org.apache.flink.optimizer.plan.WorksetIterationPlanNode.acceptForStepFunction(WorksetIterationPlanNode.java:194)
      at org.apache.flink.optimizer.traversals.BinaryUnionReplacer.preVisit(BinaryUnionReplacer.java:49)
      at org.apache.flink.optimizer.traversals.BinaryUnionReplacer.preVisit(BinaryUnionReplacer.java:41)
      at org.apache.flink.optimizer.plan.DualInputPlanNode.accept(DualInputPlanNode.java:162)
      at org.apache.flink.optimizer.plan.SingleInputPlanNode.accept(SingleInputPlanNode.java:199)
      at org.apache.flink.optimizer.plan.SingleInputPlanNode.accept(SingleInputPlanNode.java:199)
      at org.apache.flink.optimizer.plan.OptimizedPlan.accept(OptimizedPlan.java:127)
      at org.apache.flink.optimizer.Optimizer.compile(Optimizer.java:520)
      at org.apache.flink.optimizer.Optimizer.compile(Optimizer.java:402)
      at org.apache.flink.client.LocalExecutor.getOptimizerPlanAsJSON(LocalExecutor.java:202)
      at org.apache.flink.api.java.LocalEnvironment.getExecutionPlan(LocalEnvironment.java:63)
      at malom.Solver.main(Solver.java:66)
      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:497)
      at com.intellij.rt.execution.application.AppMain.main(AppMain.java:140)

      The execution plan:
      http://compalg.inf.elte.hu/~ggevay/flink/plan_3_4_0_0_without_verif.txt
      (I obtained this by commenting out the line that throws the exception)

      The code is here:
      https://github.com/ggevay/flink/tree/plan-generation-bug
      The class to run is "Solver". It needs a command line argument, which is a directory where it would write output. (On first run, it generates some lookuptables for a few minutes, which are then placed to /tmp/movegen)

        Attachments

        1. Bug.java
          3 kB
          Yassine Marzougui
        2. FlinkBug.scala
          1 kB
          Lorenz Bühmann

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              • Assignee:
                fhueske Fabian Hueske
                Reporter:
                ggevay Gabor Gevay
              • Votes:
                1 Vote for this issue
                Watchers:
                10 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved: