GitHub user tomwhite opened a pull request:
https://github.com/apache/spark/pull/7014
[SPARK-8625] [Core] Propagate user exceptions in tasks back to driver
This allows clients to retrieve the original exception from the
cause field of the SparkException that is thrown by the driver.
If the original exception is not in fact Serializable then it will
not be returned, but the message and stacktrace will be. (All Java
Throwables implement the Serializable interface, but this is no
guarantee that a particular implementation can actually be
serialized.)
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tomwhite/spark propagate-user-exceptions
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/7014.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 #7014
----
commit fc484b9fdf4d0229d45d3704e07424586dcf5aa3
Author: Tom White <[email protected]>
Date: 2015-06-24T16:29:14Z
Return runtime exceptions in tasks back to driver.
This allows clients to retrieve the original exception from the
cause field of the SparkException that is thrown by the driver.
If the original exception is not in fact Serializable then it will
not be returned, but the message and stacktrace will be. (All Java
Throwables implement the Serializable interface, but this is no
guarantee that a particular implementation can actually be
serialized.)
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