Problema con algunos applet de java

Hola, uso Debian Sid de 64-bit y por lo general el java suele funcionar bien en "iceweasel" pero estoy queriendo navegar por esta página: http://www.euclides.org/menu/elements_esp/indiceeuclides.htm

Y no me funciona los llamados "applet" de java, la consola de java arroja la siguiente salida detallada:

Java Plug-in 1.6.0_20
Usar versión JRE 1.6.0_20-b02 Java HotSpot(TM) 64-Bit Server VM
Directorio local del usuario = /home/leo
----------------------------------------------------
c:   borrar ventana de consola
f:   finalizar objetos en la cola de finalización
g:   liberación de recursos
h:   presentar este mensaje de ayuda
l:   volcar lista del cargador de clases
m:   imprimir sintaxis de memoria
o:   activar registro
q:   ocultar consola
r:   recargar configuración de norma
s:   volcar propiedades del sistema y de despliegue
t:   volcar lista de subprocesos
v:   volcar pila de subprocesos
x:   borrar antememoria del cargador de clases
0-5: establecer nivel de rastreo en <n>
----------------------------------------------------

cargar: clase Geometry no encontrada.
java.lang.ClassNotFoundException: Geometry
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:219)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Plugin2ClassLoader.java:532)
at sun.plugin2.applet.Plugin2Manager.createApplet(Plugin2Manager.java:2940)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Plugin2Manager.java:1444)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.net.ConnectException: Network is unreachable
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:529)
at sun.net.NetworkClient.doConnect(NetworkClient.java:161)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)
at sun.net.www.http.HttpClient.New(HttpClient.java:306)
at sun.net.www.http.HttpClient.New(HttpClient.java:323)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:860)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:801)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:726)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1049)
at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:373)
at sun.plugin2.applet.Applet2ClassLoader.getBytes(Applet2ClassLoader.java:535)
at sun.plugin2.applet.Applet2ClassLoader.access$000(Applet2ClassLoader.java:51)
at sun.plugin2.applet.Applet2ClassLoader$1.run(Applet2ClassLoader.java:192)
at java.security.AccessController.doPrivileged(Native Method)
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:189)
... 6 more
Excepción: java.lang.ClassNotFoundException: Geometry
cargar: clase Geometry no encontrada.

java.lang.ClassNotFoundException: Geometry
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:219)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Plugin2ClassLoader.java:532)
at sun.plugin2.applet.Plugin2Manager.createApplet(Plugin2Manager.java:2940)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Plugin2Manager.java:1444)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.net.ConnectException: Network is unreachable
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:529)
at sun.net.NetworkClient.doConnect(NetworkClient.java:161)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)
at sun.net.www.http.HttpClient.New(HttpClient.java:306)
at sun.net.www.http.HttpClient.New(HttpClient.java:323)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:860)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:801)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:726)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1049)
at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:373)
at sun.plugin2.applet.Applet2ClassLoader.getBytes(Applet2ClassLoader.java:535)
at sun.plugin2.applet.Applet2ClassLoader.access$000(Applet2ClassLoader.java:51)
at sun.plugin2.applet.Applet2ClassLoader$1.run(Applet2ClassLoader.java:192)
at java.security.AccessController.doPrivileged(Native Method)
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:189)
... 6 more
Excepción: java.lang.ClassNotFoundException: Geometry
cargar: clase Geometry no encontrada.
java.lang.ClassNotFoundException: Geometry
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:219)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Plugin2ClassLoader.java:532)
at sun.plugin2.applet.Plugin2Manager.createApplet(Plugin2Manager.java:2940)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Plugin2Manager.java:1444)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.net.ConnectException: Network is unreachable
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:529)
at sun.net.NetworkClient.doConnect(NetworkClient.java:161)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)
at sun.net.www.http.HttpClient.New(HttpClient.java:306)
at sun.net.www.http.HttpClient.New(HttpClient.java:323)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:860)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:801)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:726)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1049)
at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:373)
at sun.plugin2.applet.Applet2ClassLoader.getBytes(Applet2ClassLoader.java:535)
at sun.plugin2.applet.Applet2ClassLoader.access$000(Applet2ClassLoader.java:51)
at sun.plugin2.applet.Applet2ClassLoader$1.run(Applet2ClassLoader.java:192)
at java.security.AccessController.doPrivileged(Native Method)
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:189)
... 6 more
Excepción: java.lang.ClassNotFoundException: Geometry
cargar: clase Geometry no encontrada.
java.lang.ClassNotFoundException: Geometry
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:219)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Plugin2ClassLoader.java:532)
at sun.plugin2.applet.Plugin2Manager.createApplet(Plugin2Manager.java:2940)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Plugin2Manager.java:1444)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.net.ConnectException: Network is unreachable
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:529)
at sun.net.NetworkClient.doConnect(NetworkClient.java:161)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)
at sun.net.www.http.HttpClient.New(HttpClient.java:306)
at sun.net.www.http.HttpClient.New(HttpClient.java:323)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:860)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:801)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:726)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1049)
at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:373)
at sun.plugin2.applet.Applet2ClassLoader.getBytes(Applet2ClassLoader.java:535)
at sun.plugin2.applet.Applet2ClassLoader.access$000(Applet2ClassLoader.java:51)
at sun.plugin2.applet.Applet2ClassLoader$1.run(Applet2ClassLoader.java:192)
at java.security.AccessController.doPrivileged(Native Method)
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:189)
... 6 more
Excepción: java.lang.ClassNotFoundException: Geometry
cargar: clase Geometry no encontrada.
java.lang.ClassNotFoundException: Geometry
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:219)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Plugin2ClassLoader.java:532)
at sun.plugin2.applet.Plugin2Manager.createApplet(Plugin2Manager.java:2940)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Plugin2Manager.java:1444)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.net.ConnectException: Network is unreachable
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:529)
at sun.net.NetworkClient.doConnect(NetworkClient.java:161)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)
at sun.net.www.http.HttpClient.New(HttpClient.java:306)
at sun.net.www.http.HttpClient.New(HttpClient.java:323)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:860)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:801)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:726)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1049)
at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:373)
at sun.plugin2.applet.Applet2ClassLoader.getBytes(Applet2ClassLoader.java:535)
at sun.plugin2.applet.Applet2ClassLoader.access$000(Applet2ClassLoader.java:51)
at sun.plugin2.applet.Applet2ClassLoader$1.run(Applet2ClassLoader.java:192)
at java.security.AccessController.doPrivileged(Native Method)
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:189)
... 6 more
Excepción: java.lang.ClassNotFoundException: Geometry
cargar: clase Geometry no encontrada.
java.lang.ClassNotFoundException: Geometry
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:219)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Plugin2ClassLoader.java:532)
at sun.plugin2.applet.Plugin2Manager.createApplet(Plugin2Manager.java:2940)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Plugin2Manager.java:1444)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.net.ConnectException: Network is unreachable
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:529)
at sun.net.NetworkClient.doConnect(NetworkClient.java:161)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)
at sun.net.www.http.HttpClient.New(HttpClient.java:306)
at sun.net.www.http.HttpClient.New(HttpClient.java:323)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:860)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:801)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:726)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1049)
at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:373)
at sun.plugin2.applet.Applet2ClassLoader.getBytes(Applet2ClassLoader.java:535)
at sun.plugin2.applet.Applet2ClassLoader.access$000(Applet2ClassLoader.java:51)
at sun.plugin2.applet.Applet2ClassLoader$1.run(Applet2ClassLoader.java:192)
at java.security.AccessController.doPrivileged(Native Method)
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:189)
... 6 more
Excepción: java.lang.ClassNotFoundException: Geometry
cargar: clase Geometry no encontrada.
java.lang.ClassNotFoundException: Geometry
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:219)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Plugin2ClassLoader.java:532)
at sun.plugin2.applet.Plugin2Manager.createApplet(Plugin2Manager.java:2940)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Plugin2Manager.java:1444)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.net.ConnectException: Network is unreachable
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:529)
at sun.net.NetworkClient.doConnect(NetworkClient.java:161)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)
at sun.net.www.http.HttpClient.New(HttpClient.java:306)
at sun.net.www.http.HttpClient.New(HttpClient.java:323)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:860)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:801)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:726)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1049)
at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:373)
at sun.plugin2.applet.Applet2ClassLoader.getBytes(Applet2ClassLoader.java:535)
at sun.plugin2.applet.Applet2ClassLoader.access$000(Applet2ClassLoader.java:51)
at sun.plugin2.applet.Applet2ClassLoader$1.run(Applet2ClassLoader.java:192)
at java.security.AccessController.doPrivileged(Native Method)
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:189)
... 6 more
Excepción: java.lang.ClassNotFoundException: Geometry
cargar: clase Geometry no encontrada.
java.lang.ClassNotFoundException: Geometry
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:219)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Plugin2ClassLoader.java:532)
at sun.plugin2.applet.Plugin2Manager.createApplet(Plugin2Manager.java:2940)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Plugin2Manager.java:1444)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.net.ConnectException: Network is unreachable
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:529)
at sun.net.NetworkClient.doConnect(NetworkClient.java:161)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)
at sun.net.www.http.HttpClient.New(HttpClient.java:306)
at sun.net.www.http.HttpClient.New(HttpClient.java:323)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:860)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:801)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:726)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1049)
at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:373)
at sun.plugin2.applet.Applet2ClassLoader.getBytes(Applet2ClassLoader.java:535)
at sun.plugin2.applet.Applet2ClassLoader.access$000(Applet2ClassLoader.java:51)
at sun.plugin2.applet.Applet2ClassLoader$1.run(Applet2ClassLoader.java:192)
at java.security.AccessController.doPrivileged(Native Method)
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:189)
... 6 more
Excepción: java.lang.ClassNotFoundException: Geometry
cargar: clase Geometry no encontrada.
java.lang.ClassNotFoundException: Geometry
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:219)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Plugin2ClassLoader.java:532)
at sun.plugin2.applet.Plugin2Manager.createApplet(Plugin2Manager.java:2940)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Plugin2Manager.java:1444)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.net.ConnectException: Network is unreachable
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:529)
at sun.net.NetworkClient.doConnect(NetworkClient.java:161)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)
at sun.net.www.http.HttpClient.New(HttpClient.java:306)
at sun.net.www.http.HttpClient.New(HttpClient.java:323)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:860)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:801)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:726)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1049)
at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:373)
at sun.plugin2.applet.Applet2ClassLoader.getBytes(Applet2ClassLoader.java:535)
at sun.plugin2.applet.Applet2ClassLoader.access$000(Applet2ClassLoader.java:51)
at sun.plugin2.applet.Applet2ClassLoader$1.run(Applet2ClassLoader.java:192)
at java.security.AccessController.doPrivileged(Native Method)
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:189)
... 6 more
Excepción: java.lang.ClassNotFoundException: Geometry
cargar: clase Geometry no encontrada.
java.lang.ClassNotFoundException: Geometry
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:219)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Plugin2ClassLoader.java:532)
at sun.plugin2.applet.Plugin2Manager.createApplet(Plugin2Manager.java:2940)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Plugin2Manager.java:1444)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.net.ConnectException: Network is unreachable
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:529)
at sun.net.NetworkClient.doConnect(NetworkClient.java:161)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)
at sun.net.www.http.HttpClient.New(HttpClient.java:306)
at sun.net.www.http.HttpClient.New(HttpClient.java:323)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:860)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:801)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:726)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1049)
at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:373)
at sun.plugin2.applet.Applet2ClassLoader.getBytes(Applet2ClassLoader.java:535)
at sun.plugin2.applet.Applet2ClassLoader.access$000(Applet2ClassLoader.java:51)
at sun.plugin2.applet.Applet2ClassLoader$1.run(Applet2ClassLoader.java:192)
at java.security.AccessController.doPrivileged(Native Method)
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:189)
... 6 more
Excepción: java.lang.ClassNotFoundException: Geometry
cargar: clase Geometry no encontrada.
java.lang.ClassNotFoundException: Geometry
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:219)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Plugin2ClassLoader.java:532)
at sun.plugin2.applet.Plugin2Manager.createApplet(Plugin2Manager.java:2940)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Plugin2Manager.java:1444)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.net.ConnectException: Network is unreachable
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:529)
at sun.net.NetworkClient.doConnect(NetworkClient.java:161)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)
at sun.net.www.http.HttpClient.New(HttpClient.java:306)
at sun.net.www.http.HttpClient.New(HttpClient.java:323)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:860)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:801)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:726)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1049)
at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:373)
at sun.plugin2.applet.Applet2ClassLoader.getBytes(Applet2ClassLoader.java:535)
at sun.plugin2.applet.Applet2ClassLoader.access$000(Applet2ClassLoader.java:51)
at sun.plugin2.applet.Applet2ClassLoader$1.run(Applet2ClassLoader.java:192)
at java.security.AccessController.doPrivileged(Native Method)
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:189)
... 6 more
Excepción: java.lang.ClassNotFoundException: Geometry
cargar: clase Geometry no encontrada.
java.lang.ClassNotFoundException: Geometry
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:219)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Plugin2ClassLoader.java:532)
at sun.plugin2.applet.Plugin2Manager.createApplet(Plugin2Manager.java:2940)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Plugin2Manager.java:1444)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.net.ConnectException: Network is unreachable
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:529)
at sun.net.NetworkClient.doConnect(NetworkClient.java:161)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)
at sun.net.www.http.HttpClient.New(HttpClient.java:306)
at sun.net.www.http.HttpClient.New(HttpClient.java:323)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:860)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:801)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:726)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1049)
at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:373)
at sun.plugin2.applet.Applet2ClassLoader.getBytes(Applet2ClassLoader.java:535)
at sun.plugin2.applet.Applet2ClassLoader.access$000(Applet2ClassLoader.java:51)
at sun.plugin2.applet.Applet2ClassLoader$1.run(Applet2ClassLoader.java:192)
at java.security.AccessController.doPrivileged(Native Method)
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:189)
... 6 more
Excepción: java.lang.ClassNotFoundException: Geometry
cargar: clase Geometry no encontrada.
java.lang.ClassNotFoundException: Geometry
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:219)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Plugin2ClassLoader.java:532)
at sun.plugin2.applet.Plugin2Manager.createApplet(Plugin2Manager.java:2940)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Plugin2Manager.java:1444)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.net.ConnectException: Network is unreachable
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:529)
at sun.net.NetworkClient.doConnect(NetworkClient.java:161)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)
at sun.net.www.http.HttpClient.New(HttpClient.java:306)
at sun.net.www.http.HttpClient.New(HttpClient.java:323)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:860)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:801)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:726)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1049)
at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:373)
at sun.plugin2.applet.Applet2ClassLoader.getBytes(Applet2ClassLoader.java:535)
at sun.plugin2.applet.Applet2ClassLoader.access$000(Applet2ClassLoader.java:51)
at sun.plugin2.applet.Applet2ClassLoader$1.run(Applet2ClassLoader.java:192)
at java.security.AccessController.doPrivileged(Native Method)
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:189)
... 6 more
Excepción: java.lang.ClassNotFoundException: Geometry
cargar: clase Geometry no encontrada.
java.lang.ClassNotFoundException: Geometry
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:219)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Plugin2ClassLoader.java:532)
at sun.plugin2.applet.Plugin2Manager.createApplet(Plugin2Manager.java:2940)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Plugin2Manager.java:1444)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.net.ConnectException: Network is unreachable
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:529)
at sun.net.NetworkClient.doConnect(NetworkClient.java:161)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)
at sun.net.www.http.HttpClient.New(HttpClient.java:306)
at sun.net.www.http.HttpClient.New(HttpClient.java:323)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:860)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:801)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:726)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1049)
at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:373)
at sun.plugin2.applet.Applet2ClassLoader.getBytes(Applet2ClassLoader.java:535)
at sun.plugin2.applet.Applet2ClassLoader.access$000(Applet2ClassLoader.java:51)
at sun.plugin2.applet.Applet2ClassLoader$1.run(Applet2ClassLoader.java:192)
at java.security.AccessController.doPrivileged(Native Method)
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:189)
... 6 more
Excepción: java.lang.ClassNotFoundException: Geometry
cargar: clase Geometry no encontrada.
java.lang.ClassNotFoundException: Geometry
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:219)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Plugin2ClassLoader.java:532)
at sun.plugin2.applet.Plugin2Manager.createApplet(Plugin2Manager.java:2940)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Plugin2Manager.java:1444)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.net.ConnectException: Network is unreachable
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:529)
at sun.net.NetworkClient.doConnect(NetworkClient.java:161)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)
at sun.net.www.http.HttpClient.New(HttpClient.java:306)
at sun.net.www.http.HttpClient.New(HttpClient.java:323)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:860)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:801)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:726)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1049)
at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:373)
at sun.plugin2.applet.Applet2ClassLoader.getBytes(Applet2ClassLoader.java:535)
at sun.plugin2.applet.Applet2ClassLoader.access$000(Applet2ClassLoader.java:51)
at sun.plugin2.applet.Applet2ClassLoader$1.run(Applet2ClassLoader.java:192)
at java.security.AccessController.doPrivileged(Native Method)
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:189)
... 6 more
Excepción: java.lang.ClassNotFoundException: Geometry
cargar: clase Geometry no encontrada.
java.lang.ClassNotFoundException: Geometry
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:219)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Plugin2ClassLoader.java:532)
at sun.plugin2.applet.Plugin2Manager.createApplet(Plugin2Manager.java:2940)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Plugin2Manager.java:1444)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.net.ConnectException: Network is unreachable
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:529)
at sun.net.NetworkClient.doConnect(NetworkClient.java:161)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)
at sun.net.www.http.HttpClient.New(HttpClient.java:306)
at sun.net.www.http.HttpClient.New(HttpClient.java:323)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:860)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:801)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:726)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1049)
at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:373)
at sun.plugin2.applet.Applet2ClassLoader.getBytes(Applet2ClassLoader.java:535)
at sun.plugin2.applet.Applet2ClassLoader.access$000(Applet2ClassLoader.java:51)
at sun.plugin2.applet.Applet2ClassLoader$1.run(Applet2ClassLoader.java:192)
at java.security.AccessController.doPrivileged(Native Method)
at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:189)
... 6 more
Excepción: java.lang.ClassNotFoundException: Geometry

¿Alguien tiene una idea de cual puede ser el problema y solución?, ¿tiene que ver con que sea 64-bit? el flash suele tener problemas en 64-bit pero el java hasta ahora me funcionaba bien...

Gracias

¿Que version de jre tienes?, ¿la de sun o la de openjdk?
Parece que tienes la de sun, ¿has probado usando la de openjdk?

Ok, te hice caso haciendo esto:
# aptitude purge sun-java6-bin sun-java6-jre sun-java6-plugin
# aptitude install default-jre

ahora no aparece una ventanita que dice que haga click para detalles, en vez de eso aparece un mensaje que dice:
"java applet or image"
Pero se sigue sin ver nada... puedes ver bien esa página? usas 64-bit? podrías listarme que paquetes relacionados con java tienes instalados?

Gracias

Curiosa solución he encontrado para ver ese sitio web adecuadamente, lo tengo que descargar para verlo offline:
$ wget -r http://www.euclides.org/menu/elements_esp/indiceeuclides.htm
Eso me descarga todo el sitio, no solo la versión en español...

Si se mira el código fuente de por ejemplo esta dirección:
http://www.euclides.org/menu/elements_esp/01/definicioneslibro1.htm
Se puede encontrar líneas como estas:

<applet code=Geometry archive=../../elements_cat/img/Geometry.zip height=50 width=180>
  <img src="post1.gif" alt="java applet or image">
  <PARAM NAME="background" VALUE="ffffff">
  <param name=title value="Post.1">
  <param name=align value=above>
  <param name=e[1] value="A;point;free;30,30">
  <param name=e[2] value="B;point;free;150,30">
  <param name=e[3] value="AB;line;connect;A,B">
</applet>

Ese archivo 'Geometry.zip' no fue descargado por el comando anterior con wget...

Así que puse en el browser la dirección:
http://www.euclides.org/menu/elements_cat/img/Geometry.zip
Y me comenzó a descargar ese archivo que luego ubiqué en la carpeta donde descargué el sitio web:
PATH_DE_CARPETA/www.euclides.org/menu/elements_cat/img

Y ahora si abro con el navegador
PATH_DE_CARPETA/www.euclides.org/menu/elements_esp/indiceeuclides.htm
Y navego en forma offline puedo ver los applet java funcionando (eso creo... hay mucho para mirar y no vi todo)

Osea, online parece no encontrar ese archivo... y descargando el sitio completo tampoco parece descargarlo... Manualmente debo descargar y ubicar ese archivo en la subcarpeta correspondiente a la traducción al catalán... y entonces después puedo verlo offline... ¿Será un problema de diseño de la web? (alguien que usa Windows me dijo que tampoco podía visualizar los applet)

Es extraño, por un momento pensé que alguna ruta estaría equivocada en el código fuente, pero revisando observo que no es así. Pude cargar sin problema alguno esta página, por ejemplo:

http://www.euclides.org/menu/elements_esp/usodelappletgeometria.htm

Debian GNU/Linux (squeeze, amd64)
Iceweasel 3.5.9
sun-java6-bin 6.20-dlj-1
sun-java6-jre 6.20-dlj-1
sun-java6-plugin 6.20-dlj-1

Saludos,
Sidd.