question: public ConnectionConfig ( jmri . jmrix . NetworkPortAdapter p ) { super ( p ) ; String h = adapter . getHostName ( ) ; if ( h != null && ! h . equals ( JmrixConfigPane . NONE ) ) { hostNameField = new JTextField ( h ) ; } String t = "" + adapter . getPort ( ) ; if ( ! t . equals ( "0" ) ) { portField = new JTextField ( t ) ; } }
target:  Ctor for an object being created during load process; Swing init is deferred.