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From "Ufuk Celebi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (FLINK-4036) Potential deadlock in StreamIterationSink
Date Wed, 15 Jun 2016 11:37:09 GMT

     [ https://issues.apache.org/jira/browse/FLINK-4036?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ufuk Celebi updated FLINK-4036:
-------------------------------
    Assignee:     (was: Ufuk Celebi)

> Potential deadlock in StreamIterationSink
> -----------------------------------------
>
>                 Key: FLINK-4036
>                 URL: https://issues.apache.org/jira/browse/FLINK-4036
>             Project: Flink
>          Issue Type: Bug
>            Reporter: Ufuk Celebi
>
> When the stream iteration head finishes before the iteration tail acquires the feedback
queue, the tail will block indefinitely.
> This happened here: https://s3.amazonaws.com/archive.travis-ci.org/jobs/134215892/log.txt
> You can provoke this by adding a sleep before acquiring the feedback queue in {{StreamIterationTail}}
and running {{IterateTest.testSimpleIteration}}.



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