The problem you describe sounds like the "bind freezes my app" mystery
bug that a few people seem to have run into. There are some detailed
problems reports in the CVS. Check out the tcljava CVS and look at these
files in the tcljava/bugs directory.
eventbug1
eventbug2
eventbug3
jbindbug.txt
There seems to enough info to track down the bug but I have
not found the time to find the cause. If you can find the
root of the problem, I would be happy to add a patch to 1.2.6.
Mo Dejong
Cygnus Solutions
On Thu, 9 Dec 1999, Randolph S. Kahle wrote:
> Mo,
>
> The problem was mine. The collection object that held listeners was null
> (never initialized). That was the null pointer problem.
>
> java::bind seems fine. I'm using it to do queries, etc. and it seems
> reasonable. I will be working over Jacl in the next couple of days as our
> team completes a prototype of a client-side architecture for building a new
> generation of applications. Jacl is really helping us pull this together.
>
> I am running into another block... Now that I can do this -->
>
> java::bind $l processLogin login
>
> where
>
> proc login {} {
> ...
> }
>
> When the event is fired from Java, it never returns from the method call on
> processLogin on the listener (the link to the tcl script).
>
> Any suggestions on how I can trace down where my thread went? Can any
> thread fire the event into Tcl? (I remember reading through the source code
> and seeing something about the event system keeps track of the
> interpreter's primary thread...)
>
> (Do I need to have a thread spinning on the interpreter?)
>
> Randy
>
> >Was it a bug in the tcljava code or your code? Could the java::bind
> >command be improved in some way to avoid this type of problem in
> >the future?
> >
> >Mo Dejong
> >Cygnus Solutions
> >
> >On Thu, 9 Dec 1999, Randolph S. Kahle wrote:
> >
> > > Mo,
> > >
> > > Problem solved in very short order because of your help.
> > >
> > > Thank you *very* much for the prompt reply to my email.
> > >
> > > Regards,
> > >
> > > Randy Kahle
> > >
> > >
> > >
> > >
> >
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