Run this same code in Jacl under jdb. When it locks up, interupt
the code and see which threads are locked. You should then be able
to get a backtrace for each of the threads to find out where
the deadlock is. I think this bug in in the notifier somewhere, so
it should deadlock both Jacl and Tcl Blend.
Mo Dejong
Cygnus Solutions
On Thu, 9 Dec 1999, Randolph S. Kahle wrote:
>
> I am making a lot of progress today understanding the JavaBean event
> processing. But I am now stuck again.
>
> In the class EventAdaptor.java the method _processEvent(...) has the
> following code:
>
> BeanEvent evt = new BeanEvent( interp, paramTypes, params, cmd );
> interp.getNotifier().queueEvent( evt, TCL.QUEUE_TAIL);
> evt.sync();
>
> When my JavaBean fires an event into the Adapter class created by Tcl (upon
> registration using the java::bind command ), it locks up on the call to:
>
> evt.sync();
>
> (I put in trace print out).
>
> and never returns.
>
> What occurs to me is that there must be a Thread running on interp
> somewhere that fetches these events and processes them internally. I do not
> have any such threads running. Can someone point me to the point where I
> must be "spinning" a thread on the other side of this event queue?
>
> I guess I'm missing a fundamental step here...
>
> Thanks!
>
> Randy Kahle
>
>
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