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https://issues.apache.org/jira/browse/BEAM-9470?focusedWorklogId=401351&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-401351
 ]

ASF GitHub Bot logged work on BEAM-9470:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 11/Mar/20 11:20
            Start Date: 11/Mar/20 11:20
    Worklog Time Spent: 10m 
      Work Description: suztomo commented on pull request #11090: [BEAM-9470] 
:sdks:java:io:kinesis:test is flaky
URL: https://github.com/apache/beam/pull/11090#discussion_r390902538
 
 

 ##########
 File path: 
sdks/java/io/kinesis/src/test/java/org/apache/beam/sdk/io/kinesis/ShardReadersPoolTest.java
 ##########
 @@ -324,10 +325,15 @@ public void shouldCallRateLimitPolicy()
       }
     }
 
+    ArgumentCaptor<List<KinesisRecord>> recordsCaptor = 
ArgumentCaptor.forClass(List.class);
+    verify(customRateLimitPolicy, 
atLeastOnce()).onSuccess(recordsCaptor.capture());
+    List<List<KinesisRecord>> capturedRecords = recordsCaptor.getAllValues();
+    assertThat(capturedRecords).contains(
+        ImmutableList.of(a, b),
+        singletonList(c),
+        singletonList(d),
+        Collections.emptyList()
+    );
     verify(customRateLimitPolicy).onThrottle(same(e));
-    verify(customRateLimitPolicy).onSuccess(eq(ImmutableList.of(a, b)));
-    verify(customRateLimitPolicy).onSuccess(eq(singletonList(c)));
-    verify(customRateLimitPolicy).onSuccess(eq(singletonList(d)));
 
 Review comment:
   How about writing one-off code that invokes this problematic test case, say, 
100 times and count test failures?  We can verify whether your version fixes 
the flakiness.
   
   I don’t expect that one-off code to be checked in, but attaching the 
observation and the code snippet to PR is helpful.
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 401351)
    Time Spent: 2h  (was: 1h 50m)

> :sdks:java:io:kinesis:test is flaky
> -----------------------------------
>
>                 Key: BEAM-9470
>                 URL: https://issues.apache.org/jira/browse/BEAM-9470
>             Project: Beam
>          Issue Type: Test
>          Components: io-java-kinesis
>            Reporter: Etienne Chauchot
>            Assignee: Jonothan Farr
>            Priority: Major
>          Time Spent: 2h
>  Remaining Estimate: 0h
>
> [https://scans.gradle.com/s/b4jmmu72ku5jc/console-log?task=:sdks:java:io:kinesis:test]



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