[jira] [Created] (FLINK-6455) Yarn single-job JobManagers should not allow uploads of new jobs.

[Shang Yuanchun (Jira)]

Stephan Ewen created FLINK-6455:
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             Summary: Yarn single-job JobManagers should not allow uploads of new jobs.
                 Key: FLINK-6455
                 URL: https://issues.apache.org/jira/browse/FLINK-6455
             Project: Flink
          Issue Type: Bug
          Components: Webfrontend, YARN
    Affects Versions: 1.2.1
            Reporter: Stephan Ewen
            Priority: Critical


When running a job on Yarn in the 'single job cluster' mode, the web UI must not show the 'upload new job' option.

If users actually submit another job via the web UI, the JobManager starts sharing the yarn cluster between these two jobs and there will be competition for TaskManagers between the jobs.



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