Hi Guys,
I am creating a simple maven archetype, this is the POM file:

<project xmlns="http://maven.apache.org/POM/4.0.0";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
        xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/maven-v4_0_0.xsd";>
        <modelVersion>4.0.0</modelVersion>
        <groupId>platform.archetypes</groupId>
        <artifactId>ic-extension-archetype</artifactId>
        <version>5.1.0-SNAPSHOT</version>
        <packaging>maven-archetype</packaging>
        <name>ic-extension-archetype</name>
        <build>
                <extensions>
                        <extension>
                                <groupId>org.apache.maven.archetype</groupId>
                                <artifactId>archetype-packaging</artifactId>
                                <version>2.2</version>
                        </extension>
                </extensions>
                <plugins>
                        <plugin>
                                <artifactId>maven-archetype-plugin</artifactId>
                                <version>2.2</version>
                                <extensions>true</extensions>
                        </plugin>
                </plugins>
        </build>
</project>


I am getting the following issue:

org.apache.maven.lifecycle.LifecycleExecutionException: Internal error in
the plugin manager executing goal
'org.apache.maven.plugins:maven-archetype-plugin:2.2:jar': Unable to load
the mojo 'org.apache.maven.plugins:maven-archetype-plugin:2.2:jar' in the
plugin 'org.apache.maven.plugins:maven-archetype-plugin'. A required class
is missing: org/apache/commons/lang/StringUtils
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:698)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:556)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:535)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:387)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:348)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:180)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
        at 
org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)
        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)
Caused by: org.apache.maven.plugin.PluginManagerException: Unable to load
the mojo 'org.apache.maven.plugins:maven-archetype-plugin:2.2:jar' in the
plugin 'org.apache.maven.plugins:maven-archetype-plugin'. A required class
is missing: org/apache/commons/lang/StringUtils
        at
org.apache.maven.plugin.DefaultPluginManager.getConfiguredMojo(DefaultPluginManager.java:679)
        at
org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:468)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:694)
        ... 17 more
Caused by: java.lang.NoClassDefFoundError:
org/apache/commons/lang/StringUtils
        at
org.apache.velocity.runtime.resource.ResourceManagerImpl.initialize(ResourceManagerImpl.java:165)
        at
org.apache.velocity.runtime.RuntimeInstance.initializeResourceManager(RuntimeInstance.java:594)
        at
org.apache.velocity.runtime.RuntimeInstance.init(RuntimeInstance.java:241)
        at org.apache.velocity.app.VelocityEngine.init(VelocityEngine.java:116)
        at
org.codehaus.plexus.velocity.DefaultVelocityComponent.initialize(DefaultVelocityComponent.java:95)
        at
org.codehaus.plexus.personality.plexus.lifecycle.phase.InitializePhase.execute(InitializePhase.java:16)
        at
org.codehaus.plexus.lifecycle.AbstractLifecycleHandler.start(AbstractLifecycleHandler.java:101)
        at
org.codehaus.plexus.component.manager.AbstractComponentManager.startComponentLifecycle(AbstractComponentManager.java:105)
        at
org.codehaus.plexus.component.manager.AbstractComponentManager.createComponentInstance(AbstractComponentManager.java:95)
        at
org.codehaus.plexus.component.manager.ClassicSingletonComponentManager.getComponent(ClassicSingletonComponentManager.java:92)
        at
org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:331)
        at
org.codehaus.plexus.component.composition.FieldComponentComposer.assignRequirementToField(FieldComponentComposer.java:129)
        at
org.codehaus.plexus.component.composition.FieldComponentComposer.assembleComponent(FieldComponentComposer.java:73)
        at
org.codehaus.plexus.component.composition.DefaultComponentComposerManager.assembleComponent(DefaultComponentComposerManager.java:68)
        at
org.codehaus.plexus.DefaultPlexusContainer.composeComponent(DefaultPlexusContainer.java:1486)
        at
org.codehaus.plexus.personality.plexus.lifecycle.phase.CompositionPhase.execute(CompositionPhase.java:29)
        at
org.codehaus.plexus.lifecycle.AbstractLifecycleHandler.start(AbstractLifecycleHandler.java:101)
        at
org.codehaus.plexus.component.manager.AbstractComponentManager.startComponentLifecycle(AbstractComponentManager.java:105)
        at
org.codehaus.plexus.component.manager.AbstractComponentManager.createComponentInstance(AbstractComponentManager.java:95)
        at
org.codehaus.plexus.component.manager.ClassicSingletonComponentManager.getComponent(ClassicSingletonComponentManager.java:92)
        at
org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:331)
        at
org.codehaus.plexus.component.composition.FieldComponentComposer.assignRequirementToField(FieldComponentComposer.java:129)
        at
org.codehaus.plexus.component.composition.FieldComponentComposer.assembleComponent(FieldComponentComposer.java:73)
        at
org.codehaus.plexus.component.composition.DefaultComponentComposerManager.assembleComponent(DefaultComponentComposerManager.java:68)
        at
org.codehaus.plexus.DefaultPlexusContainer.composeComponent(DefaultPlexusContainer.java:1486)
        at
org.codehaus.plexus.personality.plexus.lifecycle.phase.CompositionPhase.execute(CompositionPhase.java:29)
        at
org.codehaus.plexus.lifecycle.AbstractLifecycleHandler.start(AbstractLifecycleHandler.java:101)
        at
org.codehaus.plexus.component.manager.AbstractComponentManager.startComponentLifecycle(AbstractComponentManager.java:105)
        at
org.codehaus.plexus.component.manager.AbstractComponentManager.createComponentInstance(AbstractComponentManager.java:95)
        at
org.codehaus.plexus.component.manager.ClassicSingletonComponentManager.getComponent(ClassicSingletonComponentManager.java:92)
        at
org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:331)
        at
org.codehaus.plexus.component.composition.FieldComponentComposer.assignRequirementToField(FieldComponentComposer.java:129)
        at
org.codehaus.plexus.component.composition.FieldComponentComposer.assembleComponent(FieldComponentComposer.java:73)
        at
org.codehaus.plexus.component.composition.DefaultComponentComposerManager.assembleComponent(DefaultComponentComposerManager.java:68)
        at
org.codehaus.plexus.DefaultPlexusContainer.composeComponent(DefaultPlexusContainer.java:1486)
        at
org.codehaus.plexus.personality.plexus.lifecycle.phase.CompositionPhase.execute(CompositionPhase.java:29)
        at
org.codehaus.plexus.lifecycle.AbstractLifecycleHandler.start(AbstractLifecycleHandler.java:101)
        at
org.codehaus.plexus.component.manager.AbstractComponentManager.startComponentLifecycle(AbstractComponentManager.java:105)
        at
org.codehaus.plexus.component.manager.AbstractComponentManager.createComponentInstance(AbstractComponentManager.java:95)
        at
org.codehaus.plexus.component.manager.ClassicSingletonComponentManager.getComponent(ClassicSingletonComponentManager.java:92)
        at
org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:331)
        at
org.codehaus.plexus.component.composition.FieldComponentComposer.assignRequirementToField(FieldComponentComposer.java:129)
        at
org.codehaus.plexus.component.composition.FieldComponentComposer.assembleComponent(FieldComponentComposer.java:73)
        at
org.codehaus.plexus.component.composition.DefaultComponentComposerManager.assembleComponent(DefaultComponentComposerManager.java:68)
        at
org.codehaus.plexus.DefaultPlexusContainer.composeComponent(DefaultPlexusContainer.java:1486)
        at
org.codehaus.plexus.personality.plexus.lifecycle.phase.CompositionPhase.execute(CompositionPhase.java:29)
        at
org.codehaus.plexus.lifecycle.AbstractLifecycleHandler.start(AbstractLifecycleHandler.java:101)
        at
org.codehaus.plexus.component.manager.AbstractComponentManager.startComponentLifecycle(AbstractComponentManager.java:105)
        at
org.codehaus.plexus.component.manager.AbstractComponentManager.createComponentInstance(AbstractComponentManager.java:95)
        at
org.codehaus.plexus.component.manager.PerLookupComponentManager.getComponent(PerLookupComponentManager.java:48)
        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:652)
        ... 19 more
Caused by: java.lang.ClassNotFoundException:
org.apache.commons.lang.StringUtils
        at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
        at
org.codehaus.classworlds.RealmClassLoader.loadClassDirect(RealmClassLoader.java:195)
        at
org.codehaus.classworlds.DefaultClassRealm.loadClass(DefaultClassRealm.java:255)
        at
org.codehaus.classworlds.DefaultClassRealm.loadClass(DefaultClassRealm.java:274)
        at
org.codehaus.classworlds.RealmClassLoader.loadClass(RealmClassLoader.java:214)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:248)


I tried a lot of ways of getting this resolved without any luck. Any ideas?

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