[jira] [Comment Edited] (FLINK-2662) CompilerException: "Bug: Plan generation for Unions picked a ship strategy between binary plan operators."

["Lorenz Bühmann (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-2662?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15464487#comment-15464487 ] 

Lorenz Bühmann edited comment on FLINK-2662 at 9/5/16 8:53 AM:
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[~fhueske] I attached a file. It contains (hopefully) a minimal example that leads to the reported exception. While keeping it as minimal as possible, the whole logic behind the program got lost - so please don't think about it's meaning.


was (Author: lorenzb):
A minimal example that leads to the reported exception. While keeping it as minimal as possible, the whole logic behind the program got lost - so please don't think about it's meaning.

> CompilerException: "Bug: Plan generation for Unions picked a ship strategy between binary plan operators."
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: FLINK-2662
>                 URL: https://issues.apache.org/jira/browse/FLINK-2662
>             Project: Flink
>          Issue Type: Bug
>          Components: Optimizer
>    Affects Versions: 0.9.1, 0.10.0
>            Reporter: Gabor Gevay
>            Priority: Critical
>             Fix For: 1.0.0
>
>         Attachments: FlinkBug.scala
>
>
> 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)



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