Exception in org.eclipse.team.svn.ui.SVNTeamUIPlugin.start() of bundle org.eclipse.team.svn.ui.

!SUBENTRY 2 org.eclipse.equinox.registry 4 1 2012-02-15 11:30:56.946
!MESSAGE Plug-in org.eclipse.team.svn.ui was unable to load class org.eclipse.team.svn.ui.crashrecovery.Inaccessible LocationDataHelper.
!STACK 0
org.eclipse.core.runtime.internal.adaptor.EclipseL azyStarter$TerminatingClassNotFoundException: An error occurred while automatically activating bundle org.eclipse.team.svn.ui (946).
at org.eclipse.core.runtime.internal.adaptor.EclipseL azyStarter.postFindLocalClass(EclipseLazyStarter.j ava:122)
at org.eclipse.osgi.baseadaptor.loader.ClasspathManag er.findLocalClass(ClasspathManager.java:462)
at org.eclipse.osgi.internal.baseadaptor.DefaultClass Loader.findLocalClass(DefaultClassLoader.java:216)
at org.eclipse.osgi.internal.loader.BundleLoader.find LocalClass(BundleLoader.java:400)
at org.eclipse.osgi.internal.loader.BundleLoader.find ClassInternal(BundleLoader.java:476)
at org.eclipse.osgi.internal.loader.BundleLoader.find Class(BundleLoader.java:429)
at org.eclipse.osgi.internal.loader.BundleLoader.find Class(BundleLoader.java:417)
at org.eclipse.osgi.internal.baseadaptor.DefaultClass Loader.loadClass(DefaultClassLoader.java:107)
at java.lang.ClassLoader.loadClass(Unknown Source)
at org.eclipse.osgi.internal.loader.BundleLoader.load Class(BundleLoader.java:345)
at org.eclipse.osgi.framework.internal.core.BundleHos t.loadClass(BundleHost.java:229)
at org.eclipse.osgi.framework.internal.core.AbstractB undle.loadClass(AbstractBundle.java:1207)
at org.eclipse.core.internal.registry.osgi.RegistrySt rategyOSGI.createExecutableExtension(RegistryStrat egyOSGI.java:174)
at org.eclipse.core.internal.registry.ExtensionRegist ry.createExecutableExtension(ExtensionRegistry.jav a:905)
at org.eclipse.core.internal.registry.ConfigurationEl ement.createExecutableExtension(ConfigurationEleme nt.java:243)
at org.eclipse.core.internal.registry.ConfigurationEl ementHandle.createExecutableExtension(Configuratio nElementHandle.java:55)
at org.eclipse.team.svn.core.extension.CoreExtensions Manager.loadExtensions(CoreExtensionsManager.java: 195)
at org.eclipse.team.svn.core.extension.CoreExtensions Manager.loadCoreExtensions(CoreExtensionsManager.j ava:180)
at org.eclipse.team.svn.core.extension.CoreExtensions Manager.instance(CoreExtensionsManager.java:61)
at org.eclipse.team.svn.core.utility.SVNUtility.isPri orToSVN17(SVNUtility.java:99)
at org.eclipse.team.svn.core.operation.SVNResourceRul eFactory.refreshRule(SVNResourceRuleFactory.java:3 3)
at org.eclipse.core.internal.resources.Rules.refreshR ule(Rules.java:166)
at org.eclipse.core.internal.resources.Resource.refre shLocal(Resource.java:1647)
at org.eclipse.core.internal.refresh.RefreshJob.runIn Workspace(RefreshJob.java:167)
at org.eclipse.core.internal.resources.InternalWorksp aceJob.run(InternalWorkspaceJob.java:38)
at org.eclipse.core.internal.jobs.Worker.run(Worker.j ava:54)
Caused by: org.osgi.framework.BundleException: Exception in org.eclipse.team.svn.ui.SVNTeamUIPlugin.start() of bundle org.eclipse.team.svn.ui.
at org.eclipse.osgi.framework.internal.core.BundleCon textImpl.startActivator(BundleContextImpl.java:734 )
at org.eclipse.osgi.framework.internal.core.BundleCon textImpl.start(BundleContextImpl.java:683)
at org.eclipse.osgi.framework.internal.core.BundleHos t.startWorker(BundleHost.java:381)
at org.eclipse.osgi.framework.internal.core.AbstractB undle.start(AbstractBundle.java:299)
at org.eclipse.osgi.framework.util.SecureAction.start (SecureAction.java:440)
at org.eclipse.osgi.internal.loader.BundleLoader.setL azyTrigger(BundleLoader.java:268)
at org.eclipse.core.runtime.internal.adaptor.EclipseL azyStarter.postFindLocalClass(EclipseLazyStarter.j ava:107)
... 25 more
Caused by: java.lang.ExceptionInInitializerError
at org.eclipse.team.svn.ui.preferences.SVNTeamPrefere nces.getConsoleRGB(SVNTeamPreferences.java:838)
at org.eclipse.team.svn.ui.console.SVNConsole.loadPre ferences(SVNConsole.java:162)
at org.eclipse.team.svn.ui.console.SVNConsole.<init>( SVNConsole.java:99)
at org.eclipse.team.svn.ui.SVNTeamUIPlugin.start(SVNT eamUIPlugin.java:126)
at org.eclipse.osgi.framework.internal.core.BundleCon textImpl$1.run(BundleContextImpl.java:711)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.framework.internal.core.BundleCon textImpl.startActivator(BundleContextImpl.java:702 )
... 31 more
Caused by: org.eclipse.swt.SWTException: Invalid thread access
at org.eclipse.swt.SWT.error(SWT.java:4282)
at org.eclipse.swt.SWT.error(SWT.java:4197)
at org.eclipse.swt.SWT.error(SWT.java:4168)
at org.eclipse.swt.widgets.Display.error(Display.java :1258)
at org.eclipse.swt.widgets.Display.checkDevice(Displa y.java:764)
at org.eclipse.swt.widgets.Display.getSystemFont(Disp lay.java:2459)
at org.eclipse.jface.preference.PreferenceConverter.< clinit>(PreferenceConverter.java:84)
... 38 more

!ENTRY org.eclipse.osgi 4 0 2012-02-15 11:30:56.966
!MESSAGE Application error
!STACK 1
java.lang.NoClassDefFoundError: Could not initialize class org.eclipse.jface.preference.PreferenceConverter
at org.eclipse.ui.internal.themes.ThemeElementHelper. installColor(ThemeElementHelper.java:274)
at org.eclipse.ui.internal.themes.ThemeElementHelper. populateRegistry(ThemeElementHelper.java:165)
at org.eclipse.ui.internal.themes.Theme.<init>(Theme. java:77)
at org.eclipse.ui.internal.themes.WorkbenchThemeManag er.getTheme(WorkbenchThemeManager.java:277)
at org.eclipse.ui.internal.themes.WorkbenchThemeManag er.getTheme(WorkbenchThemeManager.java:297)
at org.eclipse.ui.internal.themes.WorkbenchThemeManag er.doSetCurrentTheme(WorkbenchThemeManager.java:20 1)
at org.eclipse.ui.internal.themes.WorkbenchThemeManag er.setCurrentTheme(WorkbenchThemeManager.java:326)
at org.eclipse.ui.internal.themes.WorkbenchThemeManag er.getCurrentTheme(WorkbenchThemeManager.java:239)
at org.eclipse.ui.internal.themes.WorkbenchThemeManag er.getInstance(WorkbenchThemeManager.java:59)
at org.eclipse.ui.internal.Workbench.getThemeManager( Workbench.java:3449)
at org.eclipse.ui.internal.Workbench$38.runWithExcept ion(Workbench.java:1693)
at org.eclipse.ui.internal.StartupThreading$StartupRu nnable.run(StartupThreading.java:31)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableL ock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessa ges(Synchronizer.java:135)
at org.eclipse.swt.widgets.Display.runAsyncMessages(D isplay.java:4140)
at org.eclipse.swt.widgets.Display.readAndDispatch(Di splay.java:3757)
at org.eclipse.ui.internal.Workbench.runUI(Workbench. java:2604)
at org.eclipse.ui.internal.Workbench.access$4(Workben ch.java:2494)
at org.eclipse.ui.internal.Workbench$7.run(Workbench. java:674)
at org.eclipse.core.databinding.observable.Realm.runW ithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWork bench(Workbench.java:667)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(Pl atformUI.java:149)
at org.eclipse.ui.internal.ide.application.IDEApplica tion.start(IDEApplication.java:123)
at org.eclipse.equinox.internal.app.EclipseAppHandle. run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseA ppLauncher.runApplication(EclipseAppLauncher.java: 110)
at org.eclipse.core.runtime.internal.adaptor.EclipseA ppLauncher.start(EclipseAppLauncher.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter.ru n(EclipseStarter.java:344)
at org.eclipse.core.runtime.adaptor.EclipseStarter.ru n(EclipseStarter.java:179)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknow n Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Un known Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.equinox.launcher.Main.invokeFramework( Main.java:622)
at org.eclipse.equinox.launcher.Main.basicRun(Main.ja va:577)
at org.eclipse.equinox.launcher.Main.run(Main.java:14 10)
at org.eclipse.equinox.launcher.Main.main(Main.java:1 386)

!ENTRY org.eclipse.core.resources 4 566 2012-02-15 11:30:57.455
!MESSAGE Workspace was not properly initialized or has already shutdown.

Wooee! Fixed the problem by deleting a file in the .metadata folder. 

SOLUTION: Delete this file and restart:

\workspace\.metadata\.plugins\org.eclipse.core.res ources\.snap