* existing quorum as specified in the job configuration, or task failure
* @return true if this task should terminate
*/
private boolean startZooKeeperManager()
throws IOException, InterruptedException {
zkManager = new ZooKeeperManager(context, conf);
context.setStatus("setup: Setting up Zookeeper manager.");
zkManager.setup();
if (zkManager.computationDone()) {
done = true;
return true;