[YARN-2121] TimelineAuthenticator#hasDelegationToken may throw NPE

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.5.0
• Target Version/s: 2.5.0
• Hadoop Flags: Reviewed
• Assignee: Zhijie Shen
• Reporter: Zhijie Shen
• Created: 02/Jun/14 19:12
• Updated: 15/Aug/14 05:44
• Resolved: 06/Jun/14 20:33

Description

  private boolean hasDelegationToken(URL url) {
    return url.getQuery().contains(
        TimelineAuthenticationConsts.DELEGATION_PARAM + "=");
  }

If the given url doesn't have any params at all. It will throw NPE.