swing - Java - TrayIcon messages not displaying on Windows XP, Vista -

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i'm writing application utilizes java's trayicon class, can't seem display messages on windows xp/vista. known issue or there i'm missing? (messages appear should on windows 7)

code: 

public class systray {     public static void main(string[] args) throws exception {         trayicon icon = new trayicon(getimage());          icon.addactionlistener(new actionlistener() {             public void actionperformed(actionevent e) {                 joptionpane.showmessagedialog(null, "good");             }         });         systemtray.getsystemtray().add(icon);          icon.displaymessage("attention", "please click here",              trayicon.messagetype.warning);     }      private static image getimage() throws headlessexception {         icon defaulticon = metaliconfactory.gettreeharddriveicon();         image img = new bufferedimage(defaulticon.geticonwidth(),              defaulticon.geticonheight(), bufferedimage.type_4byte_abgr);         defaulticon.painticon(new panel(), img.getgraphics(), 0, 0);          return img;     } }

edit: computers both using latest version of java

edit ii: results of tests on various computers:

  • windows xp, j7_25 (1.7.0_25-b16): works
  • windows 7, j7_25 (1.7.0_25-b17): works
  • windows xp, j7_25 (1.7.0_25-b17): not work

see whats happened (java6_022 , java7_21, tested on both jdks)

winxp - -> enter image description here

win8 - -> enter image description here

from code

import java.awt.awtexception; import java.awt.eventqueue; import java.awt.headlessexception; import java.awt.image; import java.awt.systemtray; import java.awt.trayicon; import java.awt.event.actionevent; import java.awt.event.actionlistener; import java.awt.image.bufferedimage; import javax.swing.icon; import javax.swing.joptionpane; import javax.swing.jpanel; import javax.swing.plaf.metal.metaliconfactory;  public class systray {      public systray() {         trayicon icon = new trayicon(getimage());         icon.addactionlistener(new actionlistener() {             @override             public void actionperformed(actionevent e) {                 joptionpane.showmessagedialog(null, "good");             }         });         try {             systemtray.getsystemtray().add(icon);         } catch (awtexception ex) {         }         icon.displaymessage("attn","click here",trayicon.messagetype.warning);     }      private image getimage() throws headlessexception {         icon defaulticon = metaliconfactory.gettreeharddriveicon();         image img = new bufferedimage(defaulticon.geticonwidth(),                 defaulticon.geticonheight(), bufferedimage.type_4byte_abgr);         defaulticon.painticon(new jpanel(), img.getgraphics(), 0, 0);         return img;     }      public static void main(string[] args) {         eventqueue.invokelater(new runnable() {             @override             public void run() {                 systray systray = new systray();             }         });     } }

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