[ 
https://issues.apache.org/jira/browse/FLINK-2662?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15504464#comment-15504464
 ] 

ASF GitHub Bot commented on FLINK-2662:
---------------------------------------

Github user StephanEwen commented on the issue:

    https://github.com/apache/flink/pull/2508
  
    I think you are right.
    
    +1 to merge then


> 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
>            Assignee: Fabian Hueske
>            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)



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Reply via email to