@SuppressWarnings("unchecked")
protected void recoverApplication(ApplicationState appState, RMState rmState) throws Exception {
ApplicationSubmissionContext appContext = appState.getApplicationSubmissionContext();
ApplicationId appId = appState.getAppId();
// create and recover app.
RMAppImpl application =
createAndPopulateNewRMApp(appContext, appState.getSubmitTime(), appState.getUser());
application.recover(rmState);
if (isApplicationInFinalState(appState.getState())) {
// We are synchronously moving the application into final state so that
// momentarily client will not see this application in NEW state. Also
// for finished applications we will avoid renewing tokens.
application.handle(new RMAppEvent(appId, RMAppEventType.RECOVER));
return;
}
if (UserGroupInformation.isSecurityEnabled()) {
Credentials credentials = null;
try {
credentials = parseCredentials(appContext);
// synchronously renew delegation token on recovery.
rmContext
.getDelegationTokenRenewer()
.addApplicationSync(appId, credentials, appContext.getCancelTokensWhenComplete());
application.handle(new RMAppEvent(appId, RMAppEventType.RECOVER));
} catch (Exception e) {
LOG.warn("Unable to parse and renew delegation tokens.", e);
this.rmContext
.getDispatcher()
.getEventHandler()
.handle(new RMAppRejectedEvent(appId, e.getMessage()));
throw e;
}
} else {
application.handle(new RMAppEvent(appId, RMAppEventType.RECOVER));
}
}
