(Hadoop) MapReduce - Chain jobs - JobControl doesn't stop

Question

I need to chain two MapReduce jobs. I used JobControl to set job2 as dependent of job1. It works, output files are created!! But it doesn\'t stop! In the shell it remains in

Answer 1

try this:

    Thread jcThread = new Thread(jobControl);
    jcThread.start();
    System.out.println("循环判断jobControl运行状态 >>>>>>>>>>>>>>>>");
    while (true) {
        if (jobControl.allFinished()) {
        System.out.println("====>> jobControl.allFinished=" + jobControl.getSuccessfulJobList());
        jobControl.stop();
        // 如果不加 break 或者 return，程序会一直循环
        break;
    }

    if (jobControl.getFailedJobList().size() > 0) {
        succ = 0;
        System.out.println("====>> jobControl.getFailedJobList=" + jobControl.getFailedJobList());
        jobControl.stop();

        // 如果不加 break 或者 return，程序会一直循环
        break;
    }
}