new PrivilegedExceptionAction<ApplicationId>() {
@Override
public ApplicationId run() throws Exception {
YarnClient rmClient = YarnClient.createYarnClient();
rmClient.init(yarnConf);
rmClient.start();
ApplicationId appId = createApp(rmClient, true);
waitTillAccepted(rmClient, appId);
long start = System.currentTimeMillis();
while (rmClient.getAMRMToken(appId) == null) {
if (System.currentTimeMillis() - start > 20 * 1000) {