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List:       ant-user
Subject:    RE: Defined task fails to find base class of task
From:       "Karr, David" <david.karr () wamu ! net>
Date:       2008-03-27 18:35:05
Message-ID: 0C260F619E428642BFA6380177C3ADF3060530A9 () exmsea005 ! us ! wamu ! net
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I think I have to do that because one of the classes compiled by the
compile step is the class referenced in the taskdef.  What I found was
that if I defined the taskdef at the "top level", not inside a target,
no matter where it was sequentially in the build script, it would fail
on the taskdef immediately because it couldn't find the class, even
before it executed the compile step.

> -----Original Message-----
> From: Scot P. Floess [mailto:floess@mindspring.com] 
> Sent: Thursday, March 27, 2008 11:15 AM
> To: Ant Users List
> Subject: Re: Defined task fails to find base class of task
> 
> Yeah, I posted a question about this recently.  I got 
> side-tracked and never fully pursued the issue...  I don't 
> think it works - I saw the same behavior as you...
> 
> Curious, why are you structuring in this fashion?  Meaning 
> performing the taskdef in a target?  Not a criticism - just 
> curious as to why.  I had a real reason in doing so myself :)
> 
> Karr, David wrote:
> > I have a simple build file that compiles some files and has 
> a taskdef 
> > for one of the compiled classes, which indirectly 
> references a class 
> > in one of the jars in the classpath.  I have the taskdef inside the 
> > target which uses the task.  When it executes the defined task, it 
> > fails to find the class from that jar (NoClassDefFound).  I ran 
> > SysInternals FileMon while the build is running to verify 
> it's reading 
> > the jar file with that base class.
> >
> > The class it can't find it
> >
> > Here is my simple build file:
> > -----------------------
> > <?xml version="1.0" encoding="UTF-8"?> <project name="WLA" 
> > default="default" basedir=".">
> >     <description>Builds, tests, and runs the project 
> > WLA.</description>
> >  
> >    <property file="nbuild.properties"/>
> >  
> >    <target name="default"
> > depends="compile,install-label-info,build-war">
> >    </target>
> >  
> >     <target name="compile">
> >         <delete dir="${build.classes.dir}"/>
> >         <mkdir dir="${build.classes.dir}"/>
> >         <javac srcdir="${src.dir}" destdir="${build.classes.dir}"
> > fork="true"
> >                debug="true" verbose="false">
> >             <include name="**/*.java"/>
> >             <classpath path="${javac.classpath}"/>
> >         </javac>
> >     </target>
> >     
> >     <target name="build-war">
> >     </target>
> >     
> >    <target name="install-label-info">
> >       <taskdef name="p4NewestLabel"
> > classname="com.wamu.ant.perforce.P4NewestLabel">
> >           <classpath 
> path="${build.classes.dir}:${javac.classpath}"/>
> >       </taskdef>
> >       <echo message="classpath[${javac.classpath}]"/>
> >       <p4NewestLabel labelName="label" labelDesc="labelDesc"/>
> >    </target>
> >  
> > </project>
> > -----------------------
> >
> > 
> ---------------------------------------------------------------------
> > To unsubscribe, e-mail: user-unsubscribe@ant.apache.org For 
> additional 
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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
> 
> Architect Keros          http://sourceforge.net/projects/keros
> 
> 
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> 
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