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https://issues.apache.org/jira/browse/BEAM-2457?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Beam JIRA Bot updated BEAM-2457:
--------------------------------
    Labels: stale-assigned  (was: )

> Error: "Unable to find registrar for hdfs" - need to prevent/improve error 
> message
> ----------------------------------------------------------------------------------
>
>                 Key: BEAM-2457
>                 URL: https://issues.apache.org/jira/browse/BEAM-2457
>             Project: Beam
>          Issue Type: Improvement
>          Components: sdk-java-core
>    Affects Versions: 2.0.0
>            Reporter: Stephen Sisk
>            Assignee: Flavio Fiszman
>            Priority: P2
>              Labels: stale-assigned
>
> I've noticed a number of user reports where jobs are failing with the error 
> message "Unable to find registrar for hdfs": 
> * 
> https://stackoverflow.com/questions/44497662/apache-beamunable-to-find-registrar-for-hdfs/44508533?noredirect=1#comment76026835_44508533
> * 
> https://lists.apache.org/thread.html/144c384e54a141646fcbe854226bb3668da091c5dc7fa2d471626e9b@%3Cuser.beam.apache.org%3E
> * 
> https://lists.apache.org/thread.html/e4d5ac744367f9d036a1f776bba31b9c4fe377d8f11a4b530be9f829@%3Cuser.beam.apache.org%3E
>  
> This isn't too many reports, but it is the only time I can recall so many 
> users reporting the same error message in a such a short amount of time. 
> We believe the problem is one of two things: 
> 1) bad uber jar creation
> 2) incorrect HDFS configuration
> However, it's highly possible this could have some other root cause. 
> It seems like it'd be useful to:
> 1) Follow up with the above reports to see if they've resolved the issue, and 
> if so what fixed it. There may be another root cause out there.
> 2) Improve the error message to include more information about how to resolve 
> it
> 3) See if we can improve detection of the error cases to give more specific 
> information (specifically, if HDFS is miconfigured, can we detect that 
> somehow and tell the user exactly that?)
> 4) update documentation



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