Github user tgravescs commented on the pull request:
https://github.com/apache/spark/pull/299#issuecomment-40642445
The SPARK_CLASSPATH only did anything if you were running in yarn-client
mode for the client itself. yarn-standalone didn't propogate it to the real
CLASSPATH. With the changes you made now it does.
I think its fine to leave since some people were asking for it. Lets just
not document it.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
