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From Philippe Valle <pva...@eprocess.fr>
Subject Re: NoClassDefFoundError exception on when <taskdef> is invoked a sec ond time
Date Thu, 11 Dec 2003 08:28:31 GMT
This is an classpath error. Check your classpath


Manuel Mall wrote:

>I have a buildfile a.xml which calls b.xml through an <ant> task a
>number of times. b.xml contains a <taskdef> which contains a nested
><classpath..>.
>
>On the first invocation of b.xml through the <ant> task in a.xml
>everything works fine. However, the second time around I get a
>NoClassDefFoundError exception on the <taskdef> in b.xml. 
>
>I am not sure what I might be doing wrong here. 
>
>Manuel
>
>Some more info:
>===============
>I am using ant 1.5.4..
>
>The abbreviated ant output is:
>...
>jspc: <-- this is the first invocation of b.xml
>     [echo] Precompiling application internet from
>/data01/oscar/internet/htdocs using tomcat in
>/usr/local/jakarta-tomcat
>...
>    [javac] Compiling 103 source files to
>/data01/oscar/internet/htdocs/WEB-INF/src
>...
>jspc:  <-- this is the second invocation of b.xml
>     [echo] Precompiling application intranet from
>/data01/oscar/intranet/htdocs using tomcat in
>/usr/local/jakarta-tomcat
>
>BUILD FAILED
>file:/home/mm/oscar/build_current/b.xml:37: Could not create task of
>type: jasper2 due to java.lang.NoClassDefFoundError
>
>---
>
>The taskdef in b.xml looks like:
>
>        <taskdef classname="org.apache.jasper.JspC" name="jasper2" >
>            <classpath id="jspc.classpath">
>                <pathelement
>location="${java.home}/../lib/tools.jar"/>
>                <fileset dir="${tomcat.home}/bin">
>                    <include name="*.jar"/>
>                </fileset>
>                <fileset dir="${tomcat.home}/server/lib">
>                    <include name="*.jar"/>
>                </fileset>
>                <fileset dir="${tomcat.home}/common/lib">
>                    <include name="*.jar"/>
>                </fileset>
>            </classpath>
>        </taskdef>
>
>---
>
>I also tried using the latest ant 1.6 beta 3 and it fails the
>following error on the second invocation of b.xml:
>
>BUILD FAILED
>/home/mm/oscar/build_current/a.xml:19: Following error occured while
>executing this line
>java.lang.ExceptionInInitializerError
>
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>
>  
>


-- 
Philippe  VALLE <pvalle@eprocess.fr>
Server Project Manager - e'process
Tel: +33 (0)4 67 13 84 65



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