The thread.interrupt() method does not interrupt a sleep() call.

This test case takes 10 seconds to run. Run 'java InterruptTest'

/*
 * InterruptTest.java
 */

class InterruptMeThread extends Thread
{
    public void run ()
    {
try
{
System.out.println("Thread 2 sleeping... " + InterruptTest.elapsed());
//sleep(Long.MAX_VALUE); // ERROR - RETURNS IMMEDIATELY
sleep(10000); // works
System.out.println("Thread 2 done sleeping " + InterruptTest.elapsed());
}
catch(InterruptedException e)
{
System.out.println("Thread 2 interrupted!! "+ InterruptTest.elapsed());;
}
System.out.println("Thread 2 exiting "+ InterruptTest.elapsed());
    }
}

public class InterruptTest extends Thread
{
    public static long startMs = 0;

    public static void main (String args[])
    {
startMs = System.currentTimeMillis();
Thread thread = new InterruptMeThread();
thread.start();
try{Thread.sleep(3000);} catch (Exception e) {}
System.out.println("Thread 1 interrupting Thread 2 "+ InterruptTest.elapsed());;
thread.interrupt();
System.out.println("Thread 1 exiting "+ InterruptTest.elapsed());;
    }

    public static String elapsed()
    {
return "[" + ((System.currentTimeMillis() - startMs)/1000) + "s]";
    }
}