A very basic pom as project, and a build goal: clean

Parsing POMs
ERROR: Processing failed due to a bug in the code. Please report this to users@hudson.dev.java.net
java.lang.IllegalArgumentException: vfszip:/etc/jboss/jboss-6.0.0.M1/server/hudson/deploy/hudson-1.347.war/WEB-INF/lib/remoting-1.347.jar/hudson/remoting/Launcher.class - vfszip:/etc/jboss/jboss-6.0.0.M1/server/hudson/deploy/hudson-1.347.war/WEB-INF/lib/remoting-1.347.jar/hudson/remoting/Launcher.class
at hudson.remoting.Which.jarFile(Which.java:157)
at hudson.maven.MavenProcessFactory$GetRemotingJar.call(MavenProcessFactory.java:370)
at hudson.maven.MavenProcessFactory$GetRemotingJar.call(MavenProcessFactory.java:368)
at hudson.remoting.LocalChannel.call(LocalChannel.java:45)
at hudson.maven.MavenProcessFactory.buildMavenCmdLine(MavenProcessFactory.java:277)
at hudson.maven.MavenProcessFactory.newProcess(MavenProcessFactory.java:196)
at hudson.maven.ProcessCache.get(ProcessCache.java:231)
at hudson.maven.MavenModuleSetBuild$RunnerImpl.doRun(MavenModuleSetBuild.java:455)
at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:416)
at hudson.model.Run.run(Run.java:1198)
at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:304)
at hudson.model.ResourceController.execute(ResourceController.java:88)
at hudson.model.Executor.run(Executor.java:122)