I got a bunch of subversion log messages; it seems it is trying to contact update@plugins?
!ENTRY org.eclipse.osgi 2 0 2008-12-19 13:14:02.037
!MESSAGE While loading class "org.tigris.subversion.subclipse.core.resourcesListeners.TeamPrivateListener$1", thread "Thread[Worker-3,5,main]" timed out waiting (5000ms) for thread "Thread[Worker-7,5,main]" to finish starting bundle "update@plugins/org.tigris.subversion.subclipse.core_1.4.1.jar [189]". To avoid deadlock, thread "Thread[Worker-3,5,main]" is proceeding but "org.tigris.subversion.subclipse.core.resourcesListeners.TeamPrivateListener$1" may not be fully initialized.