Github user pwendell commented on the pull request:
https://github.com/apache/spark/pull/610#issuecomment-41932038
Right now we actually build distributions with `make-distribution` that
calls the maven build and then moves some things around. In this case the
datanucleus jars need to be handled in a special way because they don't
assemble well.
I think for 1.1 the goal should be to both consolidate the builds and to
potentially migrate this entire thing to maven using release profiles. But for
now I want a surgical fix that we can pull into the 1.0 branch.
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