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From "Philip Tham" <pt...@rim.com>
Subject Unable to build on Ubuntu after ant upgrade from 1.7.0 to 1.8.0(latest)
Date Wed, 28 Jul 2010 22:52:27 GMT
Hi There

 

I am currently blocked with not being able to build after upgrading ant
to the latest version.  The errors I am getting are below.

 

If anyone is familiar with this issue and error, I would be very
grateful.

 

Thanks

 

Philip Tham

 

BUILD FAILED

/home/test/Automation/build.xml:2: The

following error occurred while executing this line:

jar:file:/usr/share/ant/lib/ant.jar!/org/apache/tools/ant/antlib.xml:37:
Could

not create task or type of type: componentdef.

 

Ant could not find the task or a class this task relies upon.

 

This is common and has a number of causes; the usual 

solutions are to read the manual pages then download and

install needed JAR files, or fix the build file: 

 - You have misspelt 'componentdef'.

   Fix: check your spelling.

 - The task needs an external JAR file to execute

     and this is not found at the right place in the classpath.

   Fix: check the documentation for dependencies.

   Fix: declare the task.

 - The task is an Ant optional task and the JAR file and/or libraries

     implementing the functionality were not found at the time you

     yourself built your installation of Ant from the Ant sources.

   Fix: Look in the ANT_HOME/lib for the 'ant-' JAR corresponding to the

     task and make sure it contains more than merely a
META-INF/MANIFEST.MF.

     If all it contains is the manifest, then rebuild Ant with the
needed

     libraries present in ${ant.home}/lib/optional/ , or alternatively,

     download a pre-built release version from apache.org

 - The build file was written for a later version of Ant

   Fix: upgrade to at least the latest release version of Ant

 - The task is not an Ant core or optional task 

     and needs to be declared using <taskdef>.

 - You are attempting to use a task defined using 

    <presetdef> or <macrodef> but have spelt wrong or not 

   defined it at the point of use

 

Remember that for JAR files to be visible to Ant tasks implemented

in ANT_HOME/lib, the files must be in the same directory or on the

classpath

 


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