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From zentol <...@git.apache.org>
Subject [GitHub] flink pull request #5331: [FLINK-8473][webUI] Improve error behavior of JarL...
Date Mon, 22 Jan 2018 12:41:56 GMT
GitHub user zentol opened a pull request:

    https://github.com/apache/flink/pull/5331

    [FLINK-8473][webUI] Improve error behavior of JarListHandler

    ## What is the purpose of the change
    
    This PR modifies the `JarListHandler` to not crash when the jar storage directory has
been deleted. This caused the job-submission-page in the webUI to be completely blank.
    
    We now log a warning (to make debugging easier) and continue on as if the directory was
empty (so that the page isn't blank).
    
    ## Verifying this change
    
    Manually verified and not covered by tests, like the rest of the handler.
    
    ## Does this pull request potentially affect one of the following parts:
    
      - Dependencies (does it add or upgrade a dependency): (no)
      - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (no)
      - The serializers: (no)
      - The runtime per-record code paths (performance sensitive): (no)
      - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing,
Yarn/Mesos, ZooKeeper: (no)
      - The S3 file system connector: (no)
    
    ## Documentation
    
      - Does this pull request introduce a new feature? (no)
      - If yes, how is the feature documented? (not applicable)


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/zentol/flink 8473

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/flink/pull/5331.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #5331
    
----
commit c660166ce1818b08f7cd44da5cc504ed73d20177
Author: zentol <chesnay@...>
Date:   2018-01-22T12:29:34Z

    [FLINK-8473][webUI] Improve error behavior of JarListHandler

----


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