[YARN-1501] Fair Scheduler will NPE if it hits IOException on queue assignment

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 2.2.0
• Component/s: fairscheduler
• Labels: newbie
• Target Version/s: 2.2.1
• Assignee: haosdent
• Reporter: Sandy Ryza
• Created: 12/Dec/13 03:43
• Updated: 28/Sep/15 19:01

Description

    try {
      QueuePlacementPolicy placementPolicy = allocConf.getPlacementPolicy();
      queueName = placementPolicy.assignAppToQueue(queueName, user);
      if (queueName == null) {
        return null;
      }
      queue = queueMgr.getLeafQueue(queueName, true);
    } catch (IOException ex) {
      LOG.error("Error assigning app to queue, rejecting", ex);
    }
    
    if (rmApp != null) {
      rmApp.setQueue(queue.getName());
    } else {
      LOG.warn("Couldn't find RM app to set queue name on");
    }