Java applet on Ubuntu
Test java install at the following link: http://www.java.com/fr/download/help/testvm.xml
Then install: Sun java plugin
http://www.java.com/fr/download/help/testvm.xml
Choosing /usr/lib/jvm/java-6-sun/jre/lib/i386/libnpjp2.so has worked for me
Then install: Icedtea plugin
Sun java plugin
Remove any existing instance of open jdk plugin
sudo apt-get remove icedtea6-plugin
Then install: Sun java plugin
Make the plugin work
It this link still does not work:http://www.java.com/fr/download/help/testvm.xml
sudo update-alternatives --config firefox-javaplugin.so
sudo update-alternatives --config mozilla-javaplugin.so
Choosing /usr/lib/jvm/java-6-sun/jre/lib/i386/libnpjp2.so has worked for me
Open jdk plugin
Remove any existing instance of sun java plugin
sudo apt-get remove sun-java6-plugin
Then install: Icedtea plugin