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From Siegfried Goeschl <>
Subject Re: [all] commons-build-plugin fails with maven 2.0.9
Date Fri, 16 May 2008 14:05:59 GMT
Hi Niall,

there were some rumors that maven-antrun-plugin is broken on maven 2.0.9't-run-ant-task-in-maven-2.0.9-td17044271.html


Siegfried Goeschl

Niall Pemberton wrote:
> Just a heads up that the commons-build-plugin seems to have problems
> with maven 2.0.9 - haven't had time to look at it yet, but when I
> tried running "mvn commons:sandbox-jira-page"  I got the following
> error:
> Reverting to 2.0.8 resolved this. I'll try to look into this when I get time
> Niall
> [INFO] Building Commons JNet
> [INFO]    task-segment: [commons:sandbox-jira-page]
> [INFO] ------------------------------------------------------------------------
> [INFO] [commons:sandbox-jira-page]
> sandbox-jira-page:
>      [echo] *** Generating Commons JNet Sandbox Issue Tracking Page ***
>     [mkdir] Created dir:
> C:\svn\commons\trunks-sandbox\jnet\target\commons-generated-xdocs
> [INFO] ------------------------------------------------------------------------
> [INFO] ------------------------------------------------------------------------
> [INFO] Failed to execute: Executing Ant script:
> / [sandbox-jira-page]: Failed to execute.
> Could not create task or type of type: loadresource.
> 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 'loadresource'.
>    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
>  - 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
> Please neither file bug reports on this problem, nor email the
> Ant mailing lists, until all of these causes have been explored,
> as this is not an Ant bug.
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