#7 Don't Function in Eclipse 3.1 - generate Exception

[TaskControl]

The StackTrace is:

java.lang.NoSuchMethodError:
org.eclipse.ui.internal.WorkbenchMessages.getString(Ljava/lang/String;)Ljava/lang/String;
at
org.maze.eimp.views.TextActionHandler$DeleteActionHandler.<init>(TextActionHandler.java:109)
at
org.maze.eimp.views.TextActionHandler.<init>(TextActionHandler.java:42)
at
org.maze.eimp.views.MultiSessionBoardView.registerGlobalAction(MultiSessionBoardView.java:176)
at
org.maze.eimp.views.MultiSessionBoardView.createPartControl(MultiSessionBoardView.java:160)
at
org.eclipse.ui.internal.ViewReference.createPartHelper(ViewReference.java:305)
at
org.eclipse.ui.internal.ViewReference.createPart(ViewReference.java:180)
at
org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:552)
at
org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:283)
at
org.eclipse.ui.internal.ViewPane.setVisible(ViewPane.java:512)
at
org.eclipse.ui.internal.presentations.PresentablePart.setVisible(PresentablePart.java:126)
at
org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select(PresentablePartFolder.java:268)
at
org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select(LeftToRightTabOrder.java:65)
at
org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPart(TabbedStackPresentation.java:391)
at
org.eclipse.ui.internal.PartStack.refreshPresentationSelection(PartStack.java:1102)
at
org.eclipse.ui.internal.PartStack.setSelection(PartStack.java:1051)
at
org.eclipse.ui.internal.PartStack.showPart(PartStack.java:1256)
at
org.eclipse.ui.internal.PartStack.createControl(PartStack.java:576)
at
org.eclipse.ui.internal.PartStack.createControl(PartStack.java:528)
at
org.eclipse.ui.internal.PartSashContainer.createControl(PartSashContainer.java:485)
at
org.eclipse.ui.internal.PerspectiveHelper.activate(PerspectiveHelper.java:230)
at
org.eclipse.ui.internal.Perspective.onActivate(Perspective.java:813)
at
org.eclipse.ui.internal.WorkbenchPage.setPerspective(WorkbenchPage.java:2928)
at
org.eclipse.ui.internal.WorkbenchPage.busySetPerspective(WorkbenchPage.java:902)
at
org.eclipse.ui.internal.WorkbenchPage.access$11(WorkbenchPage.java:887)
at
org.eclipse.ui.internal.WorkbenchPage$12.run(WorkbenchPage.java:3051)
at
org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:69)
at
org.eclipse.ui.internal.WorkbenchPage.setPerspective(WorkbenchPage.java:3049)
at
org.eclipse.ui.internal.ChangeToPerspectiveMenu.run(ChangeToPerspectiveMenu.java:91)
at
org.eclipse.ui.actions.PerspectiveMenu.run(PerspectiveMenu.java:331)
at
org.eclipse.ui.actions.PerspectiveMenu.runOther(PerspectiveMenu.java:346)
at
org.eclipse.ui.actions.PerspectiveMenu$3.runWithEvent(PerspectiveMenu.java:108)
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: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: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)