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From "Antoine Levy-Lambert" <anto...@gmx.de>
Subject Re: RE: Very Bad use of Ant...
Date Mon, 28 Aug 2006 20:56:00 GMT
Hello Dan,

it will need tools.jar (a file from the JDK) on its classpath I believe.

Regards,

Antoine
-------- Original-Nachricht --------
Datum: Mon, 28 Aug 2006 16:42:49 -0400
Von: "Dan McFadyen" <danm@cryptocard.com>
An: "Ant Users List" <user@ant.apache.org>
Betreff: RE: Very Bad use of Ant...

> Funny, I spoke too soon.
> 
> This lovely new forked and running JVM with it's new ant doesn't seem to
> be
> able to find javac to compile... all the environment variables exist on
> the
> outer JVM, but I am rather stumped.
> 
> I have failed my attempts to toss the environment variables into the new
> JVM
> using the combination of:
> 
> <property environment="env"/>
> 	and
> <env key="JAVA_HOME" value="${env.JAVA_HOME}"/>
> 
> I'd be more than happy if someone could point out my mistake.
> 
> Dan
> 
> -----Original Message-----
> From: Dan McFadyen [mailto:danm@cryptocard.com]
> Sent: Monday, August 28, 2006 3:08 PM
> To: Ant Users List
> Subject: RE: Very Bad use of Ant...
> 
> 
> Hey hey!
> 
> I found the stuff I needed after some googling and some of the info from
> the
> first reply, just getting back now and you've made me slightly curious
> about
> what possible side effects would happen without the ant.home as I made it
> work without it... Mind you, I am using only to do one small thing so I
> might not have noticed it.
> 
> Thanks!
> 
> Dan
> 
> -----Original Message-----
> From: Darick Jarvis [mailto:djarvis@ediwatch.com]
> Sent: Monday, August 28, 2006 2:58 PM
> To: 'Ant Users List'
> Subject: RE: Very Bad use of Ant...
> 
> 
> 
> 
> I don't know if this is the official way to call ant within a java task,
> but
> it works for me.  Maybe this can help you.  This will cause it to outlive
> the starting script with no handle to it though.
> 
> <java classname="org.apache.tools.ant.launch.Launcher"
>       dir="."
>       fork="true"
>       newenvironment="true"
>       spawn="true"
>       maxmemory="WHATEVER"
>       taskname="WHATEVER">
> 	<classpath>
> 		<fileset dir="PATH_TO_ANT_LIBRARY" casesensitive="false">
> 			<include name="*.jar" />
> 			<include name="*.zip" />
> 		</fileset>
> 	</classpath>
> 	<arg value="-f" />
> 	<arg value="FILE_TO_RUN" />
> 	<arg value="-Dant.home=PATH_TO_ANT_HOME" />
> 	<arg value="TARGET_TO_RUN" />
> </java>
> 
> Note, it is important to set the ant.home property for it to run correctly
> 
> Hope this helps!
> 
> 
> -----Original Message-----
> From: Dominique Devienne [mailto:ddevienne@gmail.com]
> Sent: Monday, August 28, 2006 2:17 PM
> To: Ant Users List
> Subject: Re: Very Bad use of Ant...
> 
> You can always <java fork="true"> the other Ant, and since they live
> in different processes and VMs, they can co-exist peacefully. I think
> there's an example somewhere that demonstrates how to call Ant using
> <java>. --DD
> 
> On 8/28/06, Dan McFadyen <danm@cryptocard.com> wrote:
> > Hello,
> >
> > I am about to ask how to do something that will sound... very very
> ugly...
> >
> > Is there anyway to run a different version of Ant from within an Ant
> script?
> > I read the faq and found the explantation of the:
> >
> >     [exec] java.lang.NoClassDefFoundError:
> > org/apache/tools/ant/launch/Launcher
> >     [exec] Exception in thread "main"
> >
> > I have gone to the 2 different directories I need to run it, and I can
> run
> > each fine (one defined in Env variables, other using absolute path to
> bin
> > dir).
> >
> > But... is there any way to not get that?... Or am I stuck with a manual
> step
> > if I need 2 versions of Ant to play nice?
> >
> >
> 
> 
> 
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