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https://issues.apache.org/jira/browse/BEAM-6202?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Valentyn Tymofieiev updated BEAM-6202:
--------------------------------------
    Description: 
If there is an error when trying to contact the dataflow service in Python's 
Dataflow.poll_for_job_completion, we may exit the thread prematurely. 

A typical manifestation is: Dataflow Runner fails with:

{noformat}
AssertionError: Job did not reach to a terminal state after waiting 
indefinitely.
{noformat}

however job execution continues, and succeeds.

  was:If there is an error when trying to contact the dataflow service in 
Python's Dataflow.poll_for_job_completion, we may exit the thread prematurely. 


> Gracefully handle exceptions when waiting for Dataflow job completion.
> ----------------------------------------------------------------------
>
>                 Key: BEAM-6202
>                 URL: https://issues.apache.org/jira/browse/BEAM-6202
>             Project: Beam
>          Issue Type: Improvement
>          Components: sdk-py-core, test-failures
>            Reporter: Robert Bradshaw
>            Priority: Major
>
> If there is an error when trying to contact the dataflow service in Python's 
> Dataflow.poll_for_job_completion, we may exit the thread prematurely. 
> A typical manifestation is: Dataflow Runner fails with:
> {noformat}
> AssertionError: Job did not reach to a terminal state after waiting 
> indefinitely.
> {noformat}
> however job execution continues, and succeeds.



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