Bug 162916 [Undo] [IDE] Invalid thread access from new file wizard
Build: I20061031-0656 1) Create a simple project 2) In the file system, add file "a.txt" to the project 3) Back in Eclipse, do File > New > File, select the project and enter a name of "a.txt". An internal error occurs because it is trying to open an error dialog from a modal context thread: org.eclipse.swt.SWTException: Invalid thread access at org.eclipse.swt.SWT.error(SWT.java:3407) at org.eclipse.swt.SWT.error(SWT.java:3330) at org.eclipse.swt.SWT.error(SWT.java:3301) at org.eclipse.swt.widgets.Widget.error(Widget.java:432) at org.eclipse.swt.widgets.Shell.<init>(Shell.java:271) at org.eclipse.swt.widgets.Shell.<init>(Shell.java:357) at org.eclipse.jface.window.Window.createShell(Window.java:482) at org.eclipse.jface.window.Window.create(Window.java:425) at org.eclipse.jface.dialogs.Dialog.create(Dialog.java:1111) at org.eclipse.jface.window.Window.open(Window.java:785) at org.eclipse.jface.dialogs.ErrorDialog.open(ErrorDialog.java:296) at org.eclipse.jface.dialogs.ErrorDialog.openError(ErrorDialog.java:360) at org.eclipse.jface.dialogs.ErrorDialog.openError(ErrorDialog.java:325) at org.eclipse.ui.dialogs.WizardNewFileCreationPage$4.run(WizardNewFileCreationPage.java:343) at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:113)
bundles/org.eclipse.ui.ide/extensions/org/eclipse/ui/dialogs/WizardNewFolderMainPage.java
if (!folderHandle.exists()) {
				if (linkTargetPath != null) {
					folderHandle.createLink(linkTargetPath,
							IResource.ALLOW_MISSING_LOCAL, monitor);
				} else {
					IPath path = folderHandle.getFullPath();
					IWorkspaceRoot root = ResourcesPlugin.getWorkspace()
							.getRoot();
					int numSegments = path.segmentCount();
					if (numSegments > 2
							&& !root.getFolder(path.removeLastSegments(1))
									.exists()) {
						
						
						
						for (int i = numSegments - 2; i > 0; i--) {
							IFolder folder = root.getFolder(path
									.removeLastSegments(i));
							if (!folder.exists()) {
								folder.create(false, true, monitor);
							}
						}
					}
					folderHandle.create(false, true, monitor);
				}
			}
		} catch (CoreException e) {