Github user pwendell commented on a diff in the pull request:
https://github.com/apache/spark/pull/2615#discussion_r19260267
--- Diff: bin/compute-classpath.sh ---
@@ -20,7 +20,7 @@
# This script computes Spark's classpath and prints it to stdout; it's
used by both the "run"
# script and the ExecutorRunner in standalone cluster mode.
-SCALA_VERSION=2.10
+SCALA_VERSION=${SCALA_VERSION:-"2.10"}
--- End diff --
Actually I think we need to add explicitly a version to the classpath. Can
we just detect the version by doing `ls core/target`? If we see compiled files
for both scala 2.10 and 2.11 we can throw an error and ask the user to remove
one.
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