Bug 29778 [Navigator] Exception occurs during drag file into Run-time workbench
Reporter: Tiffany Language: Korean / Simplfied Chinese / Tranditional Chinese Build driver: eclipse-SDK-M4-linux-gtk OS: RedHat 8 JDK Ver.: IBM JDK1.3.1 + SR3 Test case #: 3.8 Using Content assist with DBCS strings Summary: DBCS: Exception occurs during drag file into Run-time workbench Steps to recreate problem: 1. Unzip the attachment (sef.zip) 2. Launch workbench with gtk build. 3. Import the plug-in com.ibm.wsweducation.solution.sef 4. Open the PDE perspective, then Select the project name. 5. Click Run icon > Run AS... > Run-time Workbench. 6. Run-time workbench pops up. 7. Create a Java project and a folder in the project in Run-time workbench. 8. Open the "Resource Perspective" in Run-time workbench. 9. Grab the test.release file in the original workbench then drag it into the folder which was created at step 7 in Run-time workbench. <<Error>> After step 9, some error messages were displayed in Console Window of the original Workbench Please refer the attachment (Exception.txt) NOTE: At step 8, if I open the "Java Perspective" in Run-time Workbench. The test.release file could be dragged into Run-time Workbench successfully without any error messages. <<Expected Result>> The test.release file should be draged into the folder in the "Resource Perspective" of Run-time workbench successfully without any error messages.
bundles/org.eclipse.ui.views/src/org/eclipse/ui/views/navigator/ResourceNavigator.java
/**
	 * Activates the editor if the selected resource is open.
	 * 
	 * @since 2.0
	 */
	protected void linkToEditor(IStructuredSelection selection) {
		Object obj = selection.getFirstElement();
		if (obj instanceof IFile && selection.size() == 1) {
			IFile file = (IFile) obj;
			IWorkbenchPage page = getSite().getPage();
			
			IEditorPart editor = page.findEditor(new FileEditorInput(file));
			if(editor != null) {
				page.bringToTop(editor);
				return;
			}
		}
	}
	/**
	 * Creates the action group, which encapsulates all actions for the view.
	 */
	protected void makeActions() {
		setActionGroup(new MainActionGroup(this));
	}
	/**
	 * Migrates the dialog settings from the UI plugin store to the 
	 * Views plugin store.
	 */
	private void migrateDialogSettings() {
		AbstractUIPlugin uiPlugin = (AbstractUIPlugin) Platform.getPlugin(PlatformUI.PLUGIN_ID);