If you run 'mvn install' from the root Hudson pom dir, it works. But 'mvn
compile' fails:

[INFO] ------------------------------------------------------------------------
[INFO] Building Hudson Tray Application Client App
[INFO] task-segment: [compile]
[INFO] ------------------------------------------------------------------------
[INFO] [enforcer:display-info

{execution: default}

]
[INFO] Maven Version: 2.0.8
[INFO] JDK Version: 1.6.0_06 normalized as: 1.6.0-6
[INFO] OS Info: Arch: i386 Family: unix Name: linux Version: 2.6.24-16-generic
[INFO] [localizer:generate

{execution: default}

]
[INFO] [dependency:unpack-dependencies

{execution: unpack-dependencies}

]
[INFO] Unpacking
/space/src/hudson/plugins/hudsontrayapp/client-common/target/classesto
/space/src/hudson/plugins/hudsontrayapp/client/target/classes
with Includes null and excludes:null
org.codehaus.plexus.archiver.ArchiverException: The source must not be a directory.
at
org.codehaus.plexus.archiver.AbstractUnArchiver.validate(AbstractUnArchiver.java:174)
at
org.codehaus.plexus.archiver.AbstractUnArchiver.extract(AbstractUnArchiver.java:107)
at
org.apache.maven.plugin.dependency.AbstractDependencyMojo.unpack(AbstractDependencyMojo.java:266)
at
org.apache.maven.plugin.dependency.UnpackDependenciesMojo.execute(UnpackDependenciesMojo.java:90)
at
org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:447)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:539)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:480)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:459)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java: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:333)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:126)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:282)
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)
[INFO] ------------------------------------------------------------------------
[ERROR] BUILD ERROR
[INFO] ------------------------------------------------------------------------
[INFO] Error unpacking file:
/space/src/hudson/plugins/hudsontrayapp/client-common/target/classes to:
/space/src/hudson/plugins/hudsontrayapp/client/target/classes
org.codehaus.plexus.archiver.ArchiverException: The source must not be a directory.

Perhaps a bug in the unarchiver plugin?