[jira] [Assigned] (FLINK-25685) RestClusterClient gets stuck on submitting job with local user artifact

["Chesnay Schepler (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-25685?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chesnay Schepler reassigned FLINK-25685:
----------------------------------------

    Assignee: Xuannan Su

> RestClusterClient gets stuck on submitting job with local user artifact
> -----------------------------------------------------------------------
>
>                 Key: FLINK-25685
>                 URL: https://issues.apache.org/jira/browse/FLINK-25685
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / REST
>    Affects Versions: 1.15.0, 1.14.3
>            Reporter: Xuannan Su
>            Assignee: Xuannan Su
>            Priority: Major
>              Labels: pull-request-available
>
> I found that a job submission gets stuck if StreamExecutionEnvironment#registerCachedFile is called with a local file. After some digging, I found that it gets stuck when the RestClusterClient sends the job-submission request to the JobManager. 
> Below is the unit test added to the `RestClusterClientTest` to reproduce the problem on my local machine.
> {code:java}
>     @Test
>     public void testJobSubmissionWithUserArtifact() throws Exception {
>         try (final TestRestServerEndpoint restServerEndpoint =
>                      createRestServerEndpoint(new TestJobSubmitHandler())) {
>             try (RestClusterClient<?> restClusterClient =
>                          createRestClusterClient(restServerEndpoint.getServerAddress().getPort())) {
>                 TemporaryFolder temporaryFolder = new TemporaryFolder();
>                 temporaryFolder.create();
>                 File file = temporaryFolder.newFile();
>                 Files.write(file.toPath(), "hello world".getBytes(ConfigConstants.DEFAULT_CHARSET));
>                 jobGraph.addUserArtifact("file",
>                         new DistributedCache.DistributedCacheEntry(file.toURI().toString(),
>                                 false));
>                 restClusterClient
>                         .submitJob(jobGraph)
>                         .get();
>             }
>         }
>     }
> {code}
> The test can pass if the `jobGraph.addUserArtifact` is not called.  



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