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https://issues.apache.org/jira/browse/FLINK-9280?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16511150#comment-16511150
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ASF GitHub Bot commented on FLINK-9280:
---------------------------------------

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

    https://github.com/apache/flink/pull/6147#discussion_r195083682
  
    --- Diff: 
flink-runtime/src/main/java/org/apache/flink/runtime/rest/FileUploadHandler.java
 ---
    @@ -89,7 +89,7 @@ protected void channelRead0(final ChannelHandlerContext 
ctx, final HttpObject ms
                        final HttpContent httpContent = (HttpContent) msg;
                        currentHttpPostRequestDecoder.offer(httpContent);
     
    -                   while (currentHttpPostRequestDecoder.hasNext()) {
    --- End diff --
    
    The `JobSubmitHandlerTest` never transmits any files via netty. The failure 
would occur in the `FileUploadHandler` which is currently completely untested.
    
    I'll try to find a test that can reproduce this


> Extend JobSubmitHandler to accept jar files
> -------------------------------------------
>
>                 Key: FLINK-9280
>                 URL: https://issues.apache.org/jira/browse/FLINK-9280
>             Project: Flink
>          Issue Type: New Feature
>          Components: Job-Submission, REST
>    Affects Versions: 1.5.0
>            Reporter: Chesnay Schepler
>            Assignee: Chesnay Schepler
>            Priority: Critical
>             Fix For: 1.6.0, 1.5.1
>
>
> The job submission through the CLI first uploads all require jars to the blob 
> server, sets the blob keys in the jobgraph, and then uploads this graph to 
> The {{JobSubmitHandler}} which submits it to the Dispatcher.
> This process has the downside that it requires jars to be uploaded to the 
> blobserver before submitting the job graph, which does not happen via REST.
> I propose an extension to the the {{JobSubmitHandler}} to also accept an 
> optional list of jar files, that were previously uploaded through the 
> {{JarUploadHandler}}. If present, the handler would upload these jars to the 
> blobserver and set the blob keys.



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