tree 358d9891d1e49673cfceae15ae9c829b4b3de0e7
parent e02e11cbc538fa69d83303bf4ad67f8b114c1a30
author Madan Jampani <madan@onlab.us> 1416870669 -0800
committer Pavlin Radoslavov <pavlin@onlab.us> 1416877091 -0800

Make leadership election more robust to failures.
    - Catch exceptions thrown by lock extension calls.
    - Dealing with potential race conditions between joining and withdrawing from a race.

Change-Id: I429045b33f5972c459d5ed031fe8593438813e8d