GitHub user rxin opened a pull request:
https://github.com/apache/spark/pull/11951
[SPARK-14149] Log exceptions in tryOrIOException
## What changes were proposed in this pull request?
We ran into a problem today debugging some class loading problem during
deserialization, and JVM was masking the underlying exception which made it
very difficult to debug. We can however log the exceptions using try/catch
ourselves in serialization/deserialization. The good thing is that all these
methods are already using Utils.tryOrIOException, so we can just put the try
catch and logging in a single place.
## How was this patch tested?
A logging change with a manual test.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/rxin/spark SPARK-14149
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/11951.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 #11951
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commit ed7766f526e82ce37099340952c9c5ce7c32478f
Author: Reynold Xin <[email protected]>
Date: 2016-03-25T06:13:08Z
[SPARK-14149] Log exceptions in tryOrIOException
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