http://java.net/jira/browse/MACOSX_PORT-592 submitted 2011/10/20 by Frank Kline
MouseListener is never triggered by clicks on the TrayIcon (MouseListener works properly on Oracle-released JRE7 for Linux and Windows).
<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"><pre class="code-java">...SystemTray tray = SystemTray.getSystemTray();trayIcon = <span class="code-keyword">new</span> TrayIcon(trayImage);trayIcon.addMouseListener(listener);tray.add(trayIcon);...</pre>