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https://issues.apache.org/jira/browse/FLINK-5033?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15654016#comment-15654016
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ASF GitHub Bot commented on FLINK-5033:
---------------------------------------

Github user tillrohrmann commented on the issue:

    https://github.com/apache/flink/pull/2771
  
    Failing test case is unrelated. Will merge this PR.


> CEP operators don't properly advance time
> -----------------------------------------
>
>                 Key: FLINK-5033
>                 URL: https://issues.apache.org/jira/browse/FLINK-5033
>             Project: Flink
>          Issue Type: Bug
>          Components: CEP
>    Affects Versions: 1.2.0, 1.1.3
>            Reporter: Till Rohrmann
>            Assignee: Till Rohrmann
>            Priority: Minor
>             Fix For: 1.2.0
>
>
> The CEP operator don't properly advance time in case of watermarks. Arriving 
> watermarks should trigger the triggering of timeouts and pruning of event 
> sequences. However, this works only if an element has arrived in the 
> meantime. This is a bug and the time should also be advanced in case that no 
> element arrived before the watermark.



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