rcjsuen@Vvardenfell ~/jni $ javac EggStatusIcon.java && javac StatusIconTest.java && java StatusIconTest
java.lang.Exception: Java-GNOME - cannot find callback method handleSizeChanged in the specified object with signature (I)V

        at org.gnu.glib.GObject.printStackTrace(GObject.java:644)
        at org.gnu.glib.GObject.addEventHandler(Native Method)
        at org.gnu.glib.EventMap.initialize(EventMap.java:86)
        at EggStatusIcon.addListener(EggStatusIcon.java:129)
        at StatusIconTest.<init>(StatusIconTest.java:26)
        at StatusIconTest.main(StatusIconTest.java:40)
Exception in thread "main" java.lang.RuntimeException: 
        at org.gnu.glib.GObject.addEventHandler(Native Method)
        at org.gnu.glib.EventMap.initialize(EventMap.java:86)
        at EggStatusIcon.addListener(EggStatusIcon.java:129)
        at StatusIconTest.<init>(StatusIconTest.java:26)
        at StatusIconTest.main(StatusIconTest.java:40)