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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