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/WizardNewFileCreationPage.java
setErrorMessage(result.getMessage());
        	return false;
        }
        
        IStatus linkedResourceStatus = null;
        if (valid) {
            linkedResourceStatus = validateLinkedResource();
            if (linkedResourceStatus.getSeverity() == IStatus.ERROR) {
				valid = false;
			}
        }
        
        if (valid
                && (linkedResourceStatus == null || linkedResourceStatus.isOK())) {
            setMessage(null);
            setErrorMessage(null);
        }
        return valid;
    }
    /*
     * @see DialogPage.setVisible(boolean)
     */
    public void setVisible(boolean visible) {
        super.setVisible(visible);
        if (visible) {
			resourceGroup.setFocus();
		}
    }
}