GitHub user zsxwing opened a pull request:
https://github.com/apache/spark/pull/17942
[SPARK-20702][Core]TaskContextImpl.markTaskCompleted should not hide the
original error
## What changes were proposed in this pull request?
This PR adds an `error` parameter to `TaskContextImpl.markTaskCompleted` to
propagate the original error.
It also fixes an issue that `TaskCompletionListenerException.getMessage`
doesn't include `previousError`.
## How was this patch tested?
New unit tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zsxwing/spark SPARK-20702
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/17942.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 #17942
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commit 5c500686ad91e1c95e1b2fe9985686a813ff1d12
Author: Shixiong Zhu <shixi...@databricks.com>
Date: 2017-05-10T20:55:22Z
Rethrow the original error
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