GitHub user ericl opened a pull request:
https://github.com/apache/spark/pull/14311
[SPARK-16550] [core] Certain classes fail to deserialize in block manager
replication
## What changes were proposed in this pull request?
This builds on @JoshRosen 's original patch to also fix block replication
for repl-defined classes. This is done by erasing the classTag when using the
default serializer, since it's not needed in that case, and the classTag was
failing to deserialize on the remote end.
The proper fix is actually to use the right classloader when deserializing
the classtags, but that is a much more invasive change for 2.0.
## How was this patch tested?
End-to-end test in ReplSuite (also more tests in DistributedSuite from the
original patch).
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/ericl/spark spark-16550
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/14311.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 #14311
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commit 0e75a6bddcf721f5e040992d146b3f3132e0cbbe
Author: Eric Liang <[email protected]>
Date: 2016-07-20T22:20:54Z
Wed Jul 20 15:20:54 PDT 2016
commit 10ead578158c929212a7d3fd9083c6e711450f03
Author: Eric Liang <[email protected]>
Date: 2016-07-21T22:44:17Z
Thu Jul 21 15:44:17 PDT 2016
commit 6e224e149b16c4229b789ed3f70fb377716af98e
Author: Eric Liang <[email protected]>
Date: 2016-07-21T22:44:32Z
Thu Jul 21 15:44:32 PDT 2016
commit c67fbdbf222a6ceafb3e2315fb494fdb6a75faae
Author: Eric Liang <[email protected]>
Date: 2016-07-21T23:36:54Z
Thu Jul 21 16:36:54 PDT 2016
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