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java.lang.ClassNotFoundException: java.net.UnknownHostException: java.sun.com	at java.net.InetAddress.getAllByName0(Unknown Source)	at java.net.InetAddress.getAllByName0(Unknown Source)	at java.net.InetAddress.getByName(Unknown Source)	at java.net.Socket.(Unknown Source)	at sun.net.NetworkClient.doConnect(Unknown Source)	at sun.plugin.protocol.jdk12.http.HttpClient.doConnect(Unknown Source)	at sun.net.www.http.HttpClient.openServer(Unknown Source)	at sun.net.www.http.HttpClient.openServer(Unknown Source)	at sun.net.www.http.HttpClient.(Unknown Source)	at sun.net.www.http.HttpClient.(Unknown Source)	at sun.plugin.protocol.jdk12.http.HttpClient.(Unknown Source)	at sun.plugin.protocol.jdk12.http.HttpClient.New(Unknown Source)	at sun.plugin.protocol.jdk12.http.HttpURLConnection.privBlock(Unknown Source)	at sun.plugin.protocol.jdk12.http.HttpURLConnection$PrivilegedBlockAction.run(Unknown Source)	at java.security.AccessController.doPrivileged(Native Method)	at sun.plugin.protocol.jdk12.http.HttpURLConnection.connect(Unknown Source)	at sun.plugin.protocol.jdk12.http.HttpURLConnection.getInputStream(Unknown Source)	at java.net.HttpURLConnection.getResponseCode(Unknown Source)	at sun.applet.AppletClassLoader.getBytes(Unknown Source)	at sun.applet.AppletClassLoader.access$100(Unknown Source)	at sun.applet.AppletClassLoader$1.run(Unknown Source)	at java.security.AccessController.doPrivileged(Native Method)	at sun.applet.AppletClassLoader.findClass(Unknown Source)	at sun.plugin.security.PluginClassLoader.findClass(Unknown Source)	at java.lang.ClassLoader.loadClass(Unknown Source)	at sun.applet.AppletClassLoader.loadClass(Unknown Source)	at java.lang.ClassLoader.loadClass(Unknown Source)	at sun.applet.AppletClassLoader.loadCode(Unknown Source)	at sun.applet.AppletPanel.createApplet(Unknown Source)	at sun.plugin.AppletViewer.createApplet(Unknown Source)	at sun.applet.AppletPanel.runLoader(Unknown Source)	at sun.applet.AppletPanel.run(Unknown Source)	at java.lang.Thread.run(Unknown Source)