} else if (!findVariableName(name)) {
} else if (JavaCore.getClasspathVariable(name) == null) {
	protected IStatus variableUpdated() {		fVariable= null;				StatusInfo status= new StatusInfo();		String name= fVariableField.getText();		if (name.length() == 0) {			if (!fIsEmptyAllowed) {				status.setError("");			} else {				fVariable= "";			}		} else if (!findVariableName(name)) {			status.setError(JavaPlugin.getResourceString(ERR_NAMENOTEXISTS));		} else {			fVariable= name;		}		fExtensionField.enableButton(fVariable != null);		return status;	}