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From Rui <>
Subject Re: ClassNotFoundException: org.codehaus.classworlds.Launcher
Date Tue, 24 Jul 2012 11:15:01 GMT
Hi Brett, thanks for the reply.

My M2_HOME is /usr/shared/maven2 and the path to the executable is 
/usr/shared/maven2/bin/ so I think there is no problem there.

I did notice I have a 'mvn' in /opt/ pointing to an empty folder. It 
isn't on my path though.

On Tue 24 Jul 2012 12:07:28 PM WEST, Brett Porter wrote:
> On 24/07/2012, at 6:42 PM, Rui wrote:
>> Hi. I'm trying to use maven to make a version of some software I'm working on.
>> Everything works fine (I can do 'mvn clean', 'mvn release:clean', and 'mvn install'
without problems) until I try to do 'mvn -Dmaven.test.skip=true release:prepare), at which
point I get the following error midway through the process:
>>     [INFO] Not generating release POMs
>>     [INFO] Executing goals 'clean verify install assembly:assembly'...
>>     [WARNING] Maven will be executed in interactive mode, but no input stream has
been configured for     this MavenInvoker instance.
>>     [INFO] Exception in thread "main" java.lang.NoClassDefFoundError: org/codehaus/classworlds
>>     [INFO] Caused by: java.lang.ClassNotFoundException: org.codehaus.classworlds.Launcher
>>     [INFO]     at$
>>     [INFO]     at Method)
>>     [INFO]     at
>>     [INFO]     at java.lang.ClassLoader.loadClass(
>>     [INFO]     at sun.misc.Launcher$AppClassLoader.loadClass(
>>     [INFO]     at java.lang.ClassLoader.loadClass(
>>     [INFO] Could not find the main class: org.codehaus.classworlds.Launcher.  Program
will exit.
>>     [INFO] ------------------------------------------------------------------------
>>     [INFO] ------------------------------------------------------------------------
>>     [INFO] Maven execution failed, exit code: '1'
>> Help solving this issue would be greatly appreciated.
> This usually happens when M2_HOME does not match the path of the mvn executable. You
should check they both match up (including whatever version is forked in this instance).
> Cheers,
> Brett
> --
> Brett Porter
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Rui Filipe Pereira de Azevedo
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