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From "Kevin Jones" <kev...@develop.com>
Subject RE: Weird Swing error when using Ant
Date Sat, 08 Sep 2001 16:19:03 GMT
I found the problem - it's a jdk1.4 beta2 issue, not Ant

Kevin Jones
Developmentor
www.develop.com

> -----Original Message-----
> From: vlad@trilogy.com [mailto:vlad@trilogy.com]
> Sent: 07 September 2001 23:15
> To: ant-user@jakarta.apache.org
> Subject: RE: Weird Swing error when using Ant
>
>
> Sorry, I think I should have paid more attention to your target
> definition. Since you are using fork=true any kind of security manager in
> ant's VM will not matter for the spawned VM.
> Disregard my previous post. The sources for 1.4 don't seem to be
> establishing a security manager anyway.
>
> To be honest, there is not much that can prevent a System.exit() from
> exiting the VM and so I cannot explain the behavior you are
> seeing. I know
> that Swing apps will not to exit without an explicit
> System.exit() because
> of the non-deamon threads spawned by AWT but if the call
> definitely occurs
> in your case, something else must be responsible for the hanging behavior.
>
> Vlad.
>
>
> Please respond to ant-user@jakarta.apache.org
> To:     <ant-user@jakarta.apache.org>
> cc:
>
> Subject:        RE: Weird Swing error when using Ant
>
>
> In which case I'd get a SecurityException!
>
> The ant manual is very specific that for the java task you should set
> fork=true otherwise System.exit() will kill ant as well as your app.
>
> I have other apps that call System.exit() and these work fine from ant -
> it's just this one,
>
> Kevin Jones
> Developmentor
> www.develop.com
>
> > -----Original Message-----
> > From: vlad@trilogy.com [mailto:vlad@trilogy.com]
> > Sent: 07 September 2001 19:49
> > To: ant-user@jakarta.apache.org
> > Subject: Re: Weird Swing error when using Ant
> >
> >
> > Very doable in Java. Must be that Ant uses a custom security manager
> that
> > overrides checkExit().
> >
> > Vlad.
> >
> >
> >
> > Please respond to ant-user@jakarta.apache.org
> > To:     "Ant-User" <ant-user@jakarta.apache.org>
> > cc:
> >
> > Subject:        Weird Swing error when using Ant
> >
> >
> > It must be me but...
> >
> > I have a Swing app that calls System.exit(0) when the main window is
> > closed.
> > When I run the app from the command line it closes fine, however when I
> > run
> > the app from with Ant it doesn't exit the VM.
> >
> > My target looks like this
> >
> >   <target depends="build" name="RunUI">
> >    <java classname="com.develop.kevinj.http.ui.HttpProxyUI"
> >               classpathref="project.class.path" failonerror="true"
> >               fork="true">
> >         <arg line="8888 8080 localhost"/>
> >     </java>
> >   </target>
> >
> > I've checked the archives but have seen nothing on this, (this is under
> > 1.3
> > and 1.4)
> >
> > Kevin Jones
> > Developmentor
> > www.develop.com
> >
> >
> >
> >
>
>
>
>


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