[ 
https://issues.apache.org/jira/browse/BEAM-5337?focusedWorklogId=144199&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-144199
 ]

ASF GitHub Bot logged work on BEAM-5337:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 14/Sep/18 07:22
            Start Date: 14/Sep/18 07:22
    Worklog Time Spent: 10m 
      Work Description: mxm commented on a change in pull request #6385: 
[BEAM-5337] Fix flaky test UnboundedSourceWrapperTest#testValueEmission
URL: https://github.com/apache/beam/pull/6385#discussion_r217621228
 
 

 ##########
 File path: 
runners/flink/src/test/java/org/apache/beam/runners/flink/streaming/UnboundedSourceWrapperTest.java
 ##########
 @@ -187,10 +188,9 @@ public void collect(
                 @Override
                 public void close() {}
               });
-        } catch (SuccessException e) {
+        } finally {
           processingTimeUpdateThread.interrupt();
 
 Review comment:
   The thread doesn't have to be sleeping to get interrupted. It is enough for 
the interrupt flag to be set via `processingTimeUpdateThread.interrupt();` for 
the thread to throw an `InterruptedException` the next time it attempts to 
sleep. You can test that easily, e.g.
   
   ```java
       new Thread(new Runnable() {
         @Override
         public void run() {
          Thread.currentThread().interrupt();
           try {
             Thread.sleep(1000);
           } catch (InterruptedException e) {
             System.out.println("interrupted");
           }
         }
       }).start();
   ```

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Issue Time Tracking
-------------------

    Worklog Id:     (was: 144199)
    Time Spent: 1h 10m  (was: 1h)

> [beam_PostCommit_Java_GradleBuild][:beam-runners-flink_2.11:test][Flake] 
> Build times out in beam-runners-flink target
> ---------------------------------------------------------------------------------------------------------------------
>
>                 Key: BEAM-5337
>                 URL: https://issues.apache.org/jira/browse/BEAM-5337
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-flink, test-failures
>            Reporter: Mikhail Gryzykhin
>            Assignee: Maximilian Michels
>            Priority: Critical
>          Time Spent: 1h 10m
>  Remaining Estimate: 0h
>
> Job times out. 
>  Failing job url:
> [https://builds.apache.org/job/beam_PostCommit_Java_GradleBuild/1414/consoleFull]
> [https://builds.apache.org/job/beam_PostCommit_Java_GradleBuild/1406/consoleFull]
> https://builds.apache.org/job/beam_PostCommit_Java_GradleBuild/1408/consoleFull
>  



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