Re: Developing a maven-script-ant with a taget fail with

["David J. M. Karlsen" <da...@davidkarlsen.com>]

Oliver Stauss wrote:
> Hello,
> I try to develop a maven-script-ant plugin. 
> The idea is to migrate my project from an existing ant into a maven2
> (2.0.4).
> 
> So my first step was to generalize my exising ANT targets and create 
> Seperate Maven2 plugins. I do this reading the Guide:
> http://maven.apache.org/guides/plugin/guide-ant-plugin-development.html
> 
> But then the Problem started with the following ANT-TARGET:
> I need to call a java runtime from the ant file with classpath...
> A call to the call result in :
> 
> [INFO]
> ----------------------------------------------------------------------------
> [INFO] [rexx:edit]
> 
> edit-target:
>      [java] java.lang.NoClassDefFoundError: de/mytools/Editor
>      [java] Exception in thread "main"
>      [java] Java Result: 1
> [INFO]
> ------------------------------------------------------------------------
> 
> 
> Thanks in advance 
> Regards Oliver Stauss
> 
> 
> mytools.build.xml:
> =============================
> <project>
>   <target name="edit-target">
>     <java classname="de.mytools.Editor" fork="true">
> 	  <arg value="test" />
> 	  <classpath>
> 	    <!-- ?????? -->
> 	  </classpath>
>     </java>
>   </target>  
> </project>
> =============================
> 
> 
> Mytools.mojos.xml:
> =============================
> <pluginMetadata>
>   <mojos>
>     <mojo>
>       <goal>edit</goal>        
>       <call>edit-target</call>
>       <description>Start the Editor</description>
>     </mojo>
>   </mojos>
> </pluginMetadata>
> =============================

Any pointers for this one?
I'm facing the same problem (a year after the original post).
Also - if I add
					<dependency>
					    <groupId>org.apache.maven</groupId>
					    <artifactId>maven-ant-tasks</artifactId>
					    <version>2.0.7</version>
					</dependency>


I'll get a classcast:

[INFO] 
------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO] 
------------------------------------------------------------------------
[INFO] org.apache.maven.script.ant.AntMojoComponentFactory cannot be 
cast to org.codehaus.plexus.component.factory.Compo
nentFactory
[INFO] 
------------------------------------------------------------------------
[DEBUG] Trace
java.lang.ClassCastException: 
org.apache.maven.script.ant.AntMojoComponentFactory cannot be cast to 
org.codehaus.plexus.
component.factory.ComponentFactory
         at 
org.codehaus.plexus.component.factory.DefaultComponentFactoryManager.findComponentFactory(DefaultComponentFac
toryManager.java:68)
         at 
org.codehaus.plexus.DefaultPlexusContainer.createComponentInstance(DefaultPlexusContainer.java:1457)
         at 
org.codehaus.plexus.component.manager.AbstractComponentManager.createComponentInstance(AbstractComponentManag
er.java:93)
         at 
org.codehaus.plexus.component.manager.PerLookupComponentManager.getComponent(PerLookupComponentManager.java:4
8)
         at 
org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:331)
         at 
org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:440)
         at 
org.apache.maven.plugin.DefaultPluginManager.getConfiguredMojo(DefaultPluginManager.java:562)
         at 
org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:421)
         at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:539)
         at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:48
0)
         at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:459)
         at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.jav
a:311)
         at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:278)
         at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:143)
         at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:334)
         at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:125)
         at org.apache.maven.cli.MavenCli.main(MavenCli.java:280)
         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
         at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
         at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
         at java.lang.reflect.Method.invoke(Method.java:597)
         at 
org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
         at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
         at 
org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
         at org.codehaus.classworlds.Launcher.main(Launcher.java:375)

-- 
David J. M. Karlsen - +47 90 68 22 43
http://www.davidkarlsen.com
http://mp3.davidkarlsen.com

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