TezSessionPoolManager.getInstance().reopenSession( sessionState, this.conf, inputOutputJars, true); console.printInfo("Session re-established."); console.printInfo("Dag submit failed due to " + e.getMessage() + " stack trace: " + Arrays.toString(e.getStackTrace()) + " retrying..."); TezSessionPoolManager.getInstance().reopenSession(sessionState, this.conf, inputOutputJars, true); dagClient = sessionState.getSession().submitDAG(dag);