If i try to start a server with the plugin, nothing seems to happen.

I found the following stacktrace in the log:

!ENTRY org.eclipse.ui 4 4 2005-07-11 10:41:20.312
!MESSAGE Unhandled event loop exception

!ENTRY org.eclipse.ui 4 0 2005-07-11 10:41:20.312
!MESSAGE org.eclipse.jdt.internal.launching.LaunchingMessages.getString(Ljava/lang/String;)Ljava/lang/String;
!STACK 0
java.lang.NoSuchMethodError: org.eclipse.jdt.internal.launching.LaunchingMessages.getString(Ljava/lang/String;)Ljava/lang/String;
at org.jboss.ide.eclipse.launcher.core.configuration.ServerLaunchConfigurationDelegate.launchInternal(ServerLaunchConfigurationDelegate.java:148)
at org.jboss.ide.eclipse.launcher.core.configuration.ServerLaunchConfigurationDelegate.launch(ServerLaunchConfigurationDelegate.java:106)
at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:590)
at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:515)
at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:152)
at org.jboss.ide.eclipse.launcher.core.ServerLaunchManager.start(ServerLaunchManager.java:346)
at org.jboss.ide.eclipse.launcher.ui.views.ServerNavigator.doStart(ServerNavigator.java:186)
at org.jboss.ide.eclipse.launcher.ui.views.ServerNavigator$7.run(ServerNavigator.java:715)
at org.eclipse.jface.action.Action.runWithEvent(Action.java:996)
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$6.handleEvent(ActionContributionItem.java:441)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:843)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3080)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2713)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1699)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1663)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:367)
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:376)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:163)
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:585)
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)