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From: David Jencks <david_jencks@yahoo.com>
Subject: Re: DayTrader streamer and web services clients terminate
 unexpectedly
Date: Wed, 22 Aug 2007 09:54:45 -0700
To: dev@geronimo.apache.org


On Aug 22, 2007, at 7:27 AM, Christopher Blythe wrote:

> All...
>
> I'm still working with the DayTrader streamer client and have run  
> into another issue I cannot explain. Both the streamer and ws app  
> client create Swing-based GUIs. I am in no way a Swing expert;  
> however, all of the docs that I have read indicate that the GUI  
> thread should remain up and running (along with the JVM) after main  
> completes. Here is an example...
>
> public class JFrameExample {
>     public static void main(String[] args) {
>         JFrame f = new JFrame("This is a test");
>         ...
>         f.addWindowListener(new ExitListener());
>         f.setVisible(true);
>     }
> }
>
> From what I have seen all Swing apps use some variation of this, as  
> do the DayTrader streamer and ws app clients.
>
> Unfortunately, when I try to run these clients in under Geronimo  
> 2.0.1, the apps terminate when the main thread completes. I have  
> added a Thread.sleep() to the main just to verify that the GUI  
> remains up while the main thread is still active.
>
> Does anyone have any thoughts as to why the JVM is terminating with  
> main while the GUI threads are still active and have not been  
> closed? I've tried a SUN and IBM JVM and both result in early  
> termination. The only thing I can think of is that something in the  
> Geronimo client or the manner in which Geronimo packages the client  
> that is changing the behavior.

I remember fixing this once....

My guess is that it got broken again when gianny added the bootstrap  
repository.  A JIRA would be good I think.   I suspect if you look  
around at the various command line classes you can see the code that  
shuts down the client from a shutdown hook and see why it isn't  
getting used.

I'll try to find some time to take a look at this if you don't beat  
me to it.

thanks
david jencks


>
> Thanks...
>
> Chris
>
>
> -- 
> "I say never be complete, I say stop being perfect, I say let...  
> lets evolve, let the chips fall where they may." - Tyler Durden