Maven2 does not start any more

[Kurt Huwig]

Binary package hint: maven2

Looks similar to #295578, but now it really does not work, even on a fresh Karmic installation:

kurt@pckurt:~$ mvn
Exception in thread "main" java.lang.NoClassDefFoundError: org/codehaus/plexus/component/repository/exception/ComponentLifecycleException
        at java.lang.Class.getDeclaredMethods0(Native Method)
        at java.lang.Class.privateGetDeclaredMethods(Class.java:2427)
        at java.lang.Class.privateGetPublicMethods(Class.java:2547)
        at java.lang.Class.getMethods(Class.java:1410)
        at org.codehaus.classworlds.Launcher.getEnhancedMainMethod(Launcher.java:195)
        at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:294)
        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: java.lang.ClassNotFoundException: org.codehaus.plexus.component.repository.exception.ComponentLifecycleException
        at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
        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.RealmClassLoader.loadClass(RealmClassLoader.java:214)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
        ... 9 more

ProblemType: Bug
Architecture: amd64
Date: Wed Oct 14 15:34:41 2009
DistroRelease: Ubuntu 9.10
NonfreeKernelModules: nvidia
Package: maven2 2.0.9-2 [modified: usr/bin/mvn]
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=
 PATH=(custom, user)
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-13.44-generic
SourcePackage: maven2
Uname: Linux 2.6.31-13-generic x86_64