ASF GitHub Bot logged work on BEAM-3956:

                Author: ASF GitHub Bot
            Created on: 06/Apr/18 23:45
            Start Date: 06/Apr/18 23:45
    Worklog Time Spent: 10m 
      Work Description: shoyer commented on issue #4959: [BEAM-3956] Preserve 
stacktraces for Python exceptions
URL: https://github.com/apache/beam/pull/4959#issuecomment-379412756
   Commits are squashed.

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Issue Time Tracking

    Worklog Id:     (was: 88648)
    Time Spent: 6.5h  (was: 6h 20m)

> Stacktraces from exceptions in user code should be preserved in the Python SDK
> ------------------------------------------------------------------------------
>                 Key: BEAM-3956
>                 URL: https://issues.apache.org/jira/browse/BEAM-3956
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-py-core
>            Reporter: Stephan Hoyer
>            Priority: Major
>          Time Spent: 6.5h
>  Remaining Estimate: 0h
> Currently, Beam's Python SDK loses stacktraces for exceptions. It does 
> helpfully add a tag like "[while running StageA]" to exception error 
> messages, but that doesn't include the stacktrace of Python functions being 
> called.
> Including the full stacktraces would make a big difference for the ease of 
> debugging Beam pipelines when things go wrong.

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