All Maven 2 builds keep failing with following trace:

INFO] task-segment: [clean, install]
[INFO] ----------------------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO] ------------------------------------------------------------------------
[INFO] null
[INFO] ------------------------------------------------------------------------
[INFO] Trace
java.lang.NullPointerException
at
hudson.maven.MavenModuleSetBuild$Builder.postModule(MavenModuleSetBuild.java:415)
at hudson.maven.MavenBuilder$Adapter.fireLeaveModule(MavenBuilder.java:191)
at hudson.maven.MavenBuilder$Adapter.postBuild(MavenBuilder.java:162)
at
org.apache.maven.lifecycle.LifecycleExecutorInterceptor.execute(LifecycleExecutorInterceptor.java:45)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:334)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:125)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:280)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
at hudson.maven.agent.Main.launch(Main.java:97)
at hudson.maven.MavenBuilder.call(MavenBuilder.java:109)
at hudson.maven.MavenModuleSetBuild$Builder.call(MavenModuleSetBuild.java:387)
at hudson.maven.MavenModuleSetBuild$Builder.call(MavenModuleSetBuild.java:353)
at hudson.remoting.UserRequest.perform(UserRequest.java:69)
at hudson.remoting.UserRequest.perform(UserRequest.java:23)
at hudson.remoting.Request$2.run(Request.java:178)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
at java.lang.Thread.run(Thread.java:619)
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 9 seconds
[INFO] Finished at: Wed Oct 10 13:45:18 CEST 2007
[INFO] Final Memory: 7M/14M
[INFO] ------------------------------------------------------------------------
finished: FAILURE