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Posted to commits@beam.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2017/04/02 11:12:41 UTC
[jira] [Commented] (BEAM-1777) If PipelineEnforcement throws an
exception after Pipeline.run() fails, it overwrites the original failure
[ https://issues.apache.org/jira/browse/BEAM-1777?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15952626#comment-15952626 ]
ASF GitHub Bot commented on BEAM-1777:
--------------------------------------
GitHub user staslev opened a pull request:
https://github.com/apache/beam/pull/2403
[BEAM-1777] In certain circumstances PipelineEnforcement shades exceptions.
…ine's exceptions.
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---
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/staslev/beam BEAM-1777-PipelineEnforcement-shades-run-exceptions
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/beam/pull/2403.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2403
----
commit 5ecf911f2f826594d829d4820c5e26e6705b8afe
Author: Stas Levin <st...@apache.org>
Date: 2017-04-02T11:09:43Z
[BEAM-1777] In certain circumstances PipelineEnforcement shades pipeline's exceptions.
----
> If PipelineEnforcement throws an exception after Pipeline.run() fails, it overwrites the original failure
> ---------------------------------------------------------------------------------------------------------
>
> Key: BEAM-1777
> URL: https://issues.apache.org/jira/browse/BEAM-1777
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-core
> Reporter: Thomas Groh
> Assignee: Stas Levin
>
> The exception is thrown out of the finally block after the original exception was already thrown, and is not properly suppressed.
> If the Pipeline throws an exception in construction (including validation failures), this can cause {{AbandonedNodeEnforcement}} to attempt to traverse a {{Pipeline}} which is invalid, which throws another exception. That exception is improperly propagated instead of the original failure, which complicates debugging.
> An example is using an unkeyed input PCollection to a Stateful ParDo. The validation will fail, but the error message will suggest that a node has incompletely specified outputs (which is a consequence rather than a cause of having an invalid transform).
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