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Date: Mon, 12 Jan 2015 17:36:34 +0000 (UTC)
From: "Robert Metzger (JIRA)" <jira@apache.org>
To: dev@flink.incubator.apache.org
Message-ID: <JIRA.12766894.1421084148000.61664.1421084194582@Atlassian.JIRA>
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Subject: [jira] [Created] (FLINK-1390)  java.lang.ClassCastException: X
 cannot be cast to X
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Robert Metzger created FLINK-1390:
-------------------------------------

             Summary:  java.lang.ClassCastException: X cannot be cast to X
                 Key: FLINK-1390
                 URL: https://issues.apache.org/jira/browse/FLINK-1390
             Project: Flink
          Issue Type: Bug
          Components: YARN Client
    Affects Versions: 0.8
            Reporter: Robert Metzger


A user is affected by an issue, which is probably caused by different classloaders being used for loading user classes.

Current state of investigation:
- the error happens in yarn sessions (there is only a YARN environment available)
- the error doesn't happen on the first time the job is being executed. It only happens on subsequent executions.


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