javax.swing.TimerQueue does not run

[Martin, Stefan]

Hi,

I found a bug in the class javax.swing.TimerQueue.
The bug occurs in openjdk-6-src-b17-14_oct_2009 on Linux.

The bug occurs a when using a javax.swing.JMenu inside another JMenu, the inner 
menu doesn't popup correctly.

The reason is that the Timer is not running.

I changed the file "javax/swing/TimerQueue.java" and moved the statement 
"running = true;"
in front of the Thread.start() method call.

synchronized void start() {
        if (running) {
            throw new RuntimeException("Can't start a TimerQueue " +
                                       "that is already running");
        }
        else {
            final ThreadGroup threadGroup =
                AppContext.getAppContext().getThreadGroup();
            running = true;
            java.security.AccessController.doPrivileged(
                new java.security.PrivilegedAction() {
                public Object run() {
                    Thread timerThread = new Thread(threadGroup, 
TimerQueue.this,
                                                    "TimerQueue");
                    timerThread.setDaemon(true);
                    timerThread.setPriority(Thread.NORM_PRIORITY);
                    timerThread.start();
                    return null;
                }
            });
        }
    }

Best regards
Stefan


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