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https://issues.apache.org/jira/browse/FLINK-25685?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17479802#comment-17479802
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Xuannan Su commented on FLINK-25685:
------------------------------------
[~chesnay], I created a PR with unit test and the fix. May you assign the
ticket to me and help review the PR?
> 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: 1.14.3
> Reporter: 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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