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Subject: Re: Error message while using ant-contrib.jar - "taskdef A class
 needed by
 class net.sf.antcontrib.platform.ShellScriptTask cannot be found: ExecTask"
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> P.S. I have already tried the following:
> 
> 1) copying ant-contrib.jar in the \apache-ant-1.8.0\lib folder 
> 
> 2) removing the namespace xmlns:ac="antlib:net.sf.antcontrib" and 
> specifying "for" instead of "ac:for"
> 
> 3) specifying the complete path for "resource" in the "typedef" tag.
> 
> 

Hello Ritu,

have you already tried to explicitly define the classpath where the 
ant-contrib.jar can be found? And could you try to give the path to 
"net/sf/antcontrib/antlib.xml" without the leading slash?

For me, the following works fine:

<taskdef uri="antlib:net.sf.contrib" 
resource="net/sf/antcontrib/antlib.xml">
        <classpath>
                <fileset dir="lib" includes="ant-contrib-1.0b3.jar" />
        </classpath>
</taskdef>


Regards
Christoph


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