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From "Scot P. Floess" <flo...@mindspring.com>
Subject Re: Very Bad use of Ant...
Date Mon, 28 Aug 2006 20:52:05 GMT
Could it be it's finding the JRE versus the JDK (or SDK)...

Dan McFadyen wrote:
> 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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>
>
>   

-- 
Scot P. Floess
27 Lake Royale
Louisburg, NC  27549

252-478-8087 (Home)
919-754-4592 (Work)

Chief Architect JPlate  http://sourceforge.net/projects/jplate
Chief Architect JavaPIM http://sourceforge.net/projects/javapim


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