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From "Gyula Fora (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-1566) WindowIntegrationTest fails
Date Tue, 17 Feb 2015 16:01:12 GMT

    [ https://issues.apache.org/jira/browse/FLINK-1566?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14324356#comment-14324356
] 

Gyula Fora commented on FLINK-1566:
-----------------------------------

it is a concurrency issue while adding to an ArrayList from multiple threads. Turns out its
not thread-safe :P

https://github.com/mbalassi/flink/commit/c34f0cb160e91742fe18de87b99d22c039f3f8ea

I will push it if travis passes

> WindowIntegrationTest fails
> ---------------------------
>
>                 Key: FLINK-1566
>                 URL: https://issues.apache.org/jira/browse/FLINK-1566
>             Project: Flink
>          Issue Type: Bug
>          Components: Streaming
>            Reporter: Till Rohrmann
>
> I'm seeing spurious failures of the {{WindowIntegrationTest}}.
> The error is the following:
> {code}
> java.lang.AssertionError: 
> Expected :[[3], [4], [5], [11], [10], [16]]
> Actual   :[[3], null, [5], [11], [10], [16]]
>  <Click to see difference>
> 	at org.junit.Assert.fail(Assert.java:88)
> 	at org.junit.Assert.failNotEquals(Assert.java:743)
> 	at org.junit.Assert.assertEquals(Assert.java:118)
> 	at org.junit.Assert.assertEquals(Assert.java:144)
> 	at org.apache.flink.streaming.api.invokable.operator.windowing.WindowIntegrationTest.validateOutput(WindowIntegrationTest.java:151)
> 	at org.apache.flink.streaming.api.invokable.operator.windowing.WindowIntegrationTest.test(WindowIntegrationTest.java:134)
> {code}



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