[jira] [Commented] (FLINK-14908) Distributing CacheFiles through DFS does not work

["Dawid Wysakowicz (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-14908?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16979412#comment-16979412 ] 

Dawid Wysakowicz commented on FLINK-14908:
------------------------------------------

cc [~chesnay] [~trohrmann] Do you know if this is a bug or was it intentional?

> Distributing CacheFiles through DFS does not work
> -------------------------------------------------
>
>                 Key: FLINK-14908
>                 URL: https://issues.apache.org/jira/browse/FLINK-14908
>             Project: Flink
>          Issue Type: Bug
>          Components: Client / Job Submission, Runtime / REST
>    Affects Versions: 1.8.2, 1.9.1
>            Reporter: Dawid Wysakowicz
>            Priority: Major
>
> User reported that distributing cache files through DFS does not work anymore: https://stackoverflow.com/questions/58978476/flink-1-9-wont-run-program-when-i-use-distributed-cache-why
> I think the problematic part is in {{RestClusterClient#submitJob}}:
> {code}
> for (Map.Entry<String, DistributedCache.DistributedCacheEntry> artifacts : jobGraph.getUserArtifacts().entrySet()) {
> 	artifactFileNames.add(new JobSubmitRequestBody.DistributedCacheFile(artifacts.getKey(), new Path(artifacts.getValue().filePath).getName()));
> 	filesToUpload.add(new FileUpload(Paths.get(artifacts.getValue().filePath), RestConstants.CONTENT_TYPE_BINARY));
> }
> {code}
> The code does not check if a file is in DFS, but just assumes it is in local FS and tries to add it to the rest request, which fails. The code on the receiver side in {{JobSubmitHandler}} still can support files distributed via DFS, but need to get proper paths to files in DFS.



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