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From "Gary Yao (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-8912) Web UI does not render error messages correctly in FLIP-6 mode
Date Fri, 09 Mar 2018 14:25:00 GMT
Gary Yao created FLINK-8912:

             Summary: Web UI does not render error messages correctly in FLIP-6 mode
                 Key: FLINK-8912
                 URL: https://issues.apache.org/jira/browse/FLINK-8912
             Project: Flink
          Issue Type: Bug
          Components: Webfrontend
    Affects Versions: 1.5.0, 1.6.0
         Environment: commit: c531486288caf5241cdf7f0f00f087f3ce82239f
            Reporter: Gary Yao
             Fix For: 1.5.0


The Web UI renders error messages returned by the REST API incorrectly, e.g., on the job submission
page. The JSON returned by the REST API is rendered as a whole. However, the UI should only
render the contents of the {{errors}} field.

*Steps to reproduce*

Submit {{examples/streaming/SocketWindowWordCount.jar}} without specifying program arguments.
Error message will be rendered as follows:
{"errors":["org.apache.flink.client.program.ProgramInvocationException: The program plan could
not be fetched - the program aborted pre-maturely.\n\nSystem.err: (none)\n\nSystem.out: No
port specified. Please run 'SocketWindowWordCount --hostname <hostname> --port <port>',
where hostname (localhost by default) and port is the address of the text server\nTo start
a simple text server, run 'netcat -l <port>' and type the input text into the command
Note that flip6 mode must be enabled.

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