Exception in thread "AWT-EventQueue-0" java.lang.Error: Unresolved compilation problems: Access restriction: The method getText() from the type JTextComponent is not accessible due to restriction on required library C:\Program Files (x86)\Java\jre1.8.0_40\lib\rt.jar Access restriction: The method getPassword() from the type JPasswordField is not accessible due to restriction on required library C:\Program Files (x86)\Java\jre1.8.0_40\lib\rt.jar