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Eclipse 20011025 Windows 2000 1) Open Java Perspective. 2) Select org.eclipse.swt 3) Select Run -> Run-time workbench Get error dialog : Unresolved compilation error in JavaLaunchUtils This worked in Eclipse 20011018. .metadata/.log is as follows: Log: Wed Oct 31 16:01:57 EST 2001 4 org.eclipse.ui 0 Unresolved compilation problems: JavaLaunchUtils cannot be resolved JavaLaunchUtils cannot be resolved java.lang.Error: Unresolved compilation problems: JavaLaunchUtils cannot be resolved JavaLaunchUtils cannot be resolved at java.lang.reflect.Constructor.newInstance(Native Method) at org.eclipse.pde.internal.launcher.WorkbenchLauncher.doLaunch (WorkbenchLauncher.java:203) at org.eclipse.pde.internal.launcher.WorkbenchLauncher.launch (WorkbenchLauncher.java:387) at org.eclipse.debug.internal.core.Launcher.launch(Launcher.java:104) at org.eclipse.debug.internal.ui.LaunchSelectionAction$1.run (LaunchSelectionAction.java:65) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:56) at org.eclipse.debug.internal.ui.LaunchSelectionAction.run (LaunchSelectionAction.java:62) at org.eclipse.jface.action.Action.runWithEvent(Action.java:451) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection (ActionContributionItem.java:407) at org.eclipse.jface.action.ActionContributionItem.handleWidgetEvent (ActionContributionItem.java:361) at org.eclipse.jface.action.ActionContributionItem.access$0 (ActionContributionItem.java:352) at org.eclipse.jface.action.ActionContributionItem$ActionListener.handleEvent (ActionContributionItem.java:47) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java (Compiled Code)) at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:638) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java (Compiled Code)) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java (Compiled Code)) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java (Compiled Code)) at org.eclipse.ui.internal.Workbench.run(Workbench.java:658) at org.eclipse.core.internal.boot.InternalBootLoader.run (InternalBootLoader.java:820) at org.eclipse.core.boot.BootLoader.run(BootLoader.java:285) at java.lang.reflect.Method.invoke(Native Method) at org.eclipse.core.launcher.Main.basicRun(Main.java:151) at org.eclipse.core.launcher.Main.run(Main.java:433) at org.eclipse.core.launcher.Main.main(Main.java:306)
Moving to PDE UI.
The problem has been fixed by using a public API instead of private (internal) JavaLaunchUtils.