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https://issues.apache.org/jira/browse/BEAM-3072?focusedWorklogId=220589&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-220589
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ASF GitHub Bot logged work on BEAM-3072:
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Author: ASF GitHub Bot
Created on: 29/Mar/19 16:07
Start Date: 29/Mar/19 16:07
Worklog Time Spent: 10m
Work Description: aaltay commented on issue #8158: [BEAM-3072] updates to
that the error handling and collected the fail…
URL: https://github.com/apache/beam/pull/8158#issuecomment-478055779
@NikeNano According to JIRA if a command fails we only log that such a thing
happened but do not log why.
Let's say, we are calling out "pip install a-package-that-does-not-exist",
In the error log we would like to see the actual pip error saying that this is
an non existent package, in addition to the current error message of a process
failed with a non-zero return code. This output will be very likely in stderr.
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Issue Time Tracking
-------------------
Worklog Id: (was: 220589)
Time Spent: 2h 50m (was: 2h 40m)
> Improve error handling at staging time time for DataflowRunner
> --------------------------------------------------------------
>
> Key: BEAM-3072
> URL: https://issues.apache.org/jira/browse/BEAM-3072
> Project: Beam
> Issue Type: Bug
> Components: sdk-py-core
> Reporter: Ahmet Altay
> Assignee: niklas Hansson
> Priority: Minor
> Labels: starter, triaged
> Time Spent: 2h 50m
> Remaining Estimate: 0h
>
> dependency.py calls out to external process to collect dependencies:
> https://github.com/apache/beam/blob/de7cc05cc67d1aa6331cddc17c2e02ed0efbe37d/sdks/python/apache_beam/runners/dataflow/internal/dependency.py#L263
> If these calls fails, the error is not clear. The error only tells what
> failed but does not show the actual error message, and is not helpful for
> users.
> As a general fix processes.py should have general better output collection
> from failed processes.
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