java - 计时器错误 java.lang.IllegalThreadStateException

Question

错误消息是java.lang.IllegalThreadStateException(位于timeOutControl.start()行)。可能是什么原因？

TimeOutControl timeOutControl = new TimeOutControl();

//...

timeOutControl.start();

  public class TimeOutControl extends Thread {

    public void run() 
    {
        long start = System.currentTimeMillis();

        while (CVRPTW.DO_IT) {
            if (System.currentTimeMillis() - start > CVRPTW.maxruntime) {
                CVRPTW.DO_IT = false;
                break;
            }

            try {
                sleep(10000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }

        }   

    }

}

Answer 1

The javadoc对于 Thread.start() 来说:

Throws: IllegalThreadStateException - if the thread was already started.

所以答案是您尝试启动同一个线程两次。如果必须这样做，请在每次启动时构造一个新的 TimeOutControl 实例。