tree c6153555ef72391d60bda050706486205633fbed
parent d5e448101c40a8db8f1a4ca8e9f979607941b7b0
author Sergiy Matusevych <motus@apache.org> 1485388606 -0800
committer Julia Wang <jwang98052@yahoo.com> 1485566802 -0800

[REEF-1727] Add the AM token to the client app credentials in the Unmanaged AM mode

Summary of changes:
   * For Unmanaged AM mode, add YARN security token to teh app credentials so that (in-process) AM can use it.
   * Bugfix: `YarnSubmissionHelper` must implement `AutoCloseable`, not `java.io.Closeable`.
   * `.close()` method does not throw.
   * Minor logging improvements.

JIRA: [REEF-1727](https://issues.apache.org/jira/browse/REEF-1727)

This closes  #1242