Github user avati commented on a diff in the pull request:
https://github.com/apache/spark/pull/1649#discussion_r15598196
--- Diff: pom.xml ---
@@ -1015,7 +1016,6 @@
<id>hadoop-2.2</id>
<properties>
<hadoop.version>2.2.0</hadoop.version>
- <protobuf.version>2.5.0</protobuf.version>
--- End diff --
I was not aware of Hadoop-1 specific dependency on 2.4.1. Going by what you
are saying, my guess is this change will not work with Hadoop 1. I am only
testing with "mvn test" within Spark as of now.
So someone has to release a shaded protobuf version of either Hadoop1 or
akka to reconcile this problem. That would be necessary before final merge. In
the mean time I shall continue to make progress ignoring the Hadoop-1
compatibility problem (after all bulk of the work is yet to be started, in
repl). Once a shaded-protobuf is released (akka or hadoop1, whichever) it is
just a trivial change in pom.xml then.
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