apache/spark — pull request #1245 by jerryshao (2014-06-27 09:23:05+00:00)
Title: [SPARK-2104] Fix task serializing issues when sort with Java non serializable class

Details can be see in [SPARK-2104](https://issues.apache.org/jira/browse/SPARK-2104). This work is based on Reynold's work, add some unit tests to validate the issue.

@rxin , would you please take a look at this PR, thanks a lot.