Currently breaking the builds and any usage of any server:

!ENTRY org.eclipse.core.jobs 4 2 2011-10-13 23:25:40.580
!MESSAGE An internal error occurred during: "Starting org.jboss.ide.eclipse.as.42".
!STACK 0
java.lang.NullPointerException
at org.jboss.ide.eclipse.as.core.server.internal.BehaviourModel.getLaunchDelegate(BehaviourModel.java:61)
at org.jboss.ide.eclipse.as.core.server.internal.launch.DelegatingStartLaunchConfiguration.getDelegate(DelegatingStartLaunchConfiguration.java:47)
at org.jboss.ide.eclipse.as.core.server.internal.launch.DelegatingStartLaunchConfiguration.preLaunchCheck(DelegatingStartLaunchConfiguration.java:61)
at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:809)
at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:703)
at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:696)
at org.eclipse.wst.server.core.internal.Server.startImpl2(Server.java:3402)
at org.eclipse.wst.server.core.internal.Server.startImpl(Server.java:3340)
at org.eclipse.wst.server.core.internal.Server$StartJob.run(Server.java:363)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)