I am trying to run Runescape in Chrome (it has game.ws in its file address http://www.runescape.com/game.ws), and while I can run this game in Firefox I can't seem to run it in Chrome. To overcome this I downloaded jre-8u31-linux-i586.tar.gz from http://javadl.sun.com/webapps/download/AutoDL?BundleId=101398 and ran (based on https://www.java.com/en/download/help/linux_install.xml):
sudo -s
mv /home/fusion809/Downloads/jre-8u31-linux-i586.tar.gz /usr/java/
cd /usr/java/
tar zxvf jre-8u31-linux-i586.tar.gz
ln -s /usr/java/jre1.8.0_31/lib/i386/libnpjp2.so /opt/google/chrome
(where /opt/google/chrome are where all the plugin files listed at about:plugins are)
I then closed Chrome and relaunched it and opened runescape up and it didn't load. I know of Oracle Java that you can get in the Software centre and it is installed on my PC but this was the only way of installing Java such that Chrome could read it that I could find a guide for online.