Tried to create a new server configuration using eclipse run->debug, i got this error:
Problems occurred when invoking code from plug-in: "org.eclipse.jface".

I added it in eclipse buggzilla and they said it has to be with jboss plugin code with eclipse, stacktrace is:

java.lang.NoSuchMethodError: org.eclipse.jdt.internal.debug.ui.launcher.LauncherMessages.getString(Ljava/lang/String;)Ljava/lang/String;
at org.jboss.ide.eclipse.launcher.ui.configuration.ServerLaunchArgumentsTab.createControl(ServerLaunchArgumentsTab.java:86)
at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationTabGroupViewer.showTabsFor(LaunchConfigurationTabGroupViewer.java:720)
at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationTabGroupViewer.showInstanceTabsFor(LaunchConfigurationTabGroupViewer.java:639)
at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationTabGroupViewer.displayInstanceTabs(LaunchConfigurationTabGroupViewer.java:519)
at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationTabGroupViewer$5.run(LaunchConfigurationTabGroupViewer.java:471)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:69)
at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationTabGroupViewer.inputChanged(LaunchConfigurationTabGroupViewer.java:488)
at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationTabGroupViewer.setInput(LaunchConfigurationTabGroupViewer.java:452)
at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationsDialog.handleLaunchConfigurationSelectionChanged(LaunchConfigurationsDialog.java:788)
at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationsDialog$3.selectionChanged(LaunchConfigurationsDialog.java:600)
at org.eclipse.jface.viewers.StructuredViewer$3.run(StructuredViewer.java:763)
at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1038)
at org.eclipse.core.runtime.Platform.run(Platform.java:775)
at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:44)
at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:148)
at org.eclipse.jface.viewers.StructuredViewer.firePostSelectionChanged(StructuredViewer.java:761)
at org.eclipse.jface.viewers.StructuredViewer.handlePostSelect(StructuredViewer.java:1042)
at org.eclipse.jface.viewers.StructuredViewer$5.widgetSelected(StructuredViewer.java:1062)
at org.eclipse.jface.util.OpenStrategy.firePostSelectionEvent(OpenStrategy.java:231)
at org.eclipse.jface.util.OpenStrategy.access$4(OpenStrategy.java:226)
at org.eclipse.jface.util.OpenStrategy$3.run(OpenStrategy.java:392)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:118)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:2802)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2533)
at org.eclipse.jface.window.Window.runEventLoop(Window.java:809)
at org.eclipse.jface.window.Window.open(Window.java:787)
at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationsDialog.open(LaunchConfigurationsDialog.java:438)
at org.eclipse.debug.ui.DebugUITools$1.run(DebugUITools.java:356)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:69)
at org.eclipse.debug.ui.DebugUITools.openLaunchConfigurationDialogOnGroup(DebugUITools.java:360)
at org.eclipse.debug.ui.DebugUITools.openLaunchConfigurationDialogOnGroup(DebugUITools.java:302)
at org.eclipse.debug.ui.actions.OpenLaunchDialogAction.run(OpenLaunchDialogAction.java:80)
at org.eclipse.debug.ui.actions.OpenLaunchDialogAction.run(OpenLaunchDialogAction.java:99)
at org.eclipse.ui.internal.PluginAction.runWithEvent(PluginAction.java:246)
at org.eclipse.ui.internal.WWinPluginAction.runWithEvent(WWinPluginAction.java:223)
at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:538)
at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:488)
at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:400)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1016)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:2825)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2530)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1694)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1658)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:366)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:143)
at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:103)
at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:226)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:375)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:162)
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:324)
at org.eclipse.core.launcher.Main.invokeFramework(Main.java:334)
at org.eclipse.core.launcher.Main.basicRun(Main.java:278)
at org.eclipse.core.launcher.Main.run(Main.java:973)
at org.eclipse.core.launcher.Main.main(Main.java:948)