ho aggiornato la java virtual machine ma niente!!! la console java mi dice :
Java Plug-in 1.7.0
Uso della versione JRE 1.7.0-ea-b116 Java HotSpot(TM) Client VM
Directory principale utente = C:\Users\Francesco
----------------------------------------------------
c: cancella finestra console
f: finalizza oggetti nella coda di finalizzazione
g: recupera spazio
h: visualizza questo messaggio di aiuto
l: esegui dump dell'elenco classloader
m: stampa utilizzo memoria
o: attiva registrazione eventi
q: nascondi console
r: ricarica configurazione criteri
s: esegui dump delle proprietà del sistema e dell'installazione
t: esegui dump dell'elenco thread
v: esegui dump dello stack del thread
x: cancella cache classloader
0-5: imposta livello di traccia su <n>
----------------------------------------------------
caricamento: classe RisolutoreEquazioniSecondoGradoBeta4_1.class non trovata.
java.lang.ClassNotFoundException: RisolutoreEquazioniSecondoGradoBeta4_1.class
at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass0(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Unknown Source)
at sun.plugin2.applet.Plugin2Manager.createApplet(Unknown Source)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.net.SocketException: Address family not supported by protocol family: connect
at java.net.DualStackPlainSocketImpl.connect0(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)
at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at sun.net.NetworkClient.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.<init>(Unknown Source)
at sun.net.
www.http.HttpClient.New(Unknown Source)
at sun.net.
www.http.HttpClient.New(Unknown Source)
at sun.net.
www.protocol.http.HttpURLConnection.getNewHttpClient(Unknown Source)
at sun.net.
www.protocol.http.HttpURLConnection.plainConnect(Unknown Source)
at sun.net.
www.protocol.http.HttpURLConnection.connect(Unknown Source)
at sun.net.
www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
at java.net.HttpURLConnection.getResponseCode(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader.getBytes(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader.access$000(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
... 9 more
Eccezione: java.lang.ClassNotFoundException: RisolutoreEquazioniSecondoGradoBeta4_1.class
cosa devo fare ??? grazie