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From "Rainer Noack" <rai...@noacks.net>
Subject RE: how can i undeclare taskdef?
Date Sat, 03 Apr 2004 21:23:48 GMT
magic property is 
ant.reuse.loader

> -----Original Message-----
> From: Rainer Noack [mailto:rainer@noacks.net] 
> Sent: Saturday, April 03, 2004 11:19 PM
> To: 'Ant Users List'
> Subject: RE: how can i undeclare taskdef?
> 
> 
> Hi Barry,
> I'm not sure in 1.6 but there should be no problems with 
> declaring the same task twice as this should be ignore if the 
> same class (from the same classloader) is using. As you're 
> using the implicitely creation of an own classloader for this 
> task, this may be the problem. (there is a magic property 
> that controls reuse of classpath classloaders but i've 
> forgotten it's name.) however, you can place your taskdef 
> inside a target (like init) and use the depends attribute to 
> make sure it runs only once. AFAIK you can not undeclare a 
> taskdef but you can "redeclare" it (maybe with a dummy). 
> Regards Rainer
> 
> > -----Original Message-----
> > From: barry@goodconsultants.com [mailto:barry@goodconsultants.com]
> > Sent: Saturday, April 03, 2004 11:04 PM
> > To: ant
> > Subject: how can i undeclare taskdef?
> > 
> > 
> > All,
> > 
> > I have problems with taskdef being ran twice or more. How can
> > i avoid the 
> > situation? Where should I place my taskdef? 
> > 
> > Can i actually "undeclare" what has been defined? I am interested in
> > undeclaring the "jasper2" task.
> > 
> > Thanks
> > 
> > Barry
> > 
> > Here is the related code:
> > 
> >     <taskdef classname="org.apache.jasper.JspC" name="jasper2"
> > onerror="ignore">
> >         <classpath id="jspc.classpath">
> >         <pathelement location="${java.home}/lib/tools.jar"/>
> >         <fileset dir="${catalina.home}/bin">
> >         <include name="*.jar"/>
> >         </fileset>
> >         <fileset dir="${catalina.home}/server/lib">
> >         <include name="*.jar"/>
> >         </fileset>
> >         <fileset dir="${catalina.home}/common/lib">
> >         <include name="*.jar"/>
> >         </fileset>
> >         </classpath>
> >     </taskdef>
> >     
> >     <jasper2 validateXml="false"
> > uriroot="${basedir}/${precom-webapp.path}"
> >             webXmlFragment="${basedir}/${precom-webapp.path}/WEB-
> > INF/generated_web.xml"
> >             
> > outputDir="${basedir}/${precom-webapp.path}/WEB-INF/src" />
> > 
> > 
> > 
> > 
> > 
> > 
> > 
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> > 
> 
> 
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