Marcelo Vanzin created SPARK-6473:
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Summary: Launcher lib shouldn't try to figure out Scala version
when not in dev mode
Key: SPARK-6473
URL: https://issues.apache.org/jira/browse/SPARK-6473
Project: Spark
Issue Type: Bug
Components: Spark Core
Affects Versions: 1.4.0
Reporter: Marcelo Vanzin
Fix For: 1.4.0
Thanks to [~nravi] for pointing this out.
The launcher library currently always tries to figure out what's the build's
scala version, even when it's not needed. That code is only used when setting
some dev options, and relies on the layout of the build directories, so it
doesn't work with the directory layout created by make-distribution.sh.
Right now this works on Linux because bin/load-spark-env.sh sets the Scala
version explicitly, but it would break the distribution on Windows, for example.
Fix is pretty straight-forward.
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