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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-8785) JobSubmitHandler does not handle JobSubmissionExceptions
Date Fri, 29 Jun 2018 14:11:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-8785?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16527669#comment-16527669
] 

ASF GitHub Bot commented on FLINK-8785:
---------------------------------------

Github user tillrohrmann commented on a diff in the pull request:

    https://github.com/apache/flink/pull/6222#discussion_r199170250
  
    --- Diff: flink-runtime/src/main/java/org/apache/flink/runtime/rest/handler/job/JobSubmitHandler.java
---
    @@ -66,6 +67,9 @@ public JobSubmitHandler(
     		}
     
     		return gateway.submitJob(jobGraph, timeout)
    -			.thenApply(ack -> new JobSubmitResponseBody("/jobs/" + jobGraph.getJobID()));
    +			.thenApply(ack -> new JobSubmitResponseBody("/jobs/" + jobGraph.getJobID()))
    +			.exceptionally(exception -> {
    +				throw new CompletionException(new RestHandlerException("Job submission failed.",
HttpResponseStatus.INTERNAL_SERVER_ERROR, exception));
    --- End diff --
    
    Maybe we could add the `exception.getMessage` to the `message` of the `RestHandlerException`.
Otherwise the user will only see `"Job submission failed."` in the `ErrorResponseBody`. With
the change it could be `"Job submission failed: Failure cause"`


> JobSubmitHandler does not handle JobSubmissionExceptions
> --------------------------------------------------------
>
>                 Key: FLINK-8785
>                 URL: https://issues.apache.org/jira/browse/FLINK-8785
>             Project: Flink
>          Issue Type: Bug
>          Components: Job-Submission, JobManager, REST
>    Affects Versions: 1.5.0, 1.6.0
>            Reporter: Chesnay Schepler
>            Assignee: Chesnay Schepler
>            Priority: Blocker
>              Labels: flip-6, pull-request-available
>
> If the job submission, i.e. {{DispatcherGateway#submitJob}} fails with a {{JobSubmissionException}}
the {{JobSubmissionHandler}} returns "Internal server error" instead of signaling the failed
job submission.
> This can for example occur if the transmitted execution graph is faulty, as tested by
the \{{JobSubmissionFailsITCase}}.



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