[SOLVED] Java Runtime Environment Plugin Problem

[AlexPozz26]

Hi,

Every time I visit a website using Firefox that has a Java application, it says that I need to install a missing plugin. When I click "install missing plugin," it says that the plugin is not available, and that I can't install it.

Please help,

Alex

[gandaran]

open your synaptic package manager and look for sun-java6-plugin just check-mark this item for install and click the apply button, all the rest of dependencies like java jre and java bin will be also installed.
this is if you running ubuntu 32-bits, for amd64-bits systems you have to install the iced-tea-plugin as there is no 64-bits sun java.
if you don't find the sun-java package in synaptic make sure you have all the repositories enabled and click the refresh/reload button.

[AlexPozz26]

I did both of these things, and I still get a message telling me that I need to install a plugin on Firefox.

[gandaran]

I did both of these things, and I still get a message telling me that I need to install a plugin on Firefox.

which firefox are you using FF3 OR FF2? and the ubuntu os version?

[AlexPozz26]

I'm using Firefox 2, on Ubuntu 8.04

[gandaran]

I'm using Firefox 2, on Ubuntu 8.04

find this libjavaplugin.so file in your file system (java plugin) and make a copy to /usr/lib/mozilla/plugins folder, it's just that simple, it'll work.
normally you find this file in /usr/lib/xulrunner-1.9/plugins/libjavaplugin.so, but I don't know if the java plugin is installed if you don't have firefox 3

[AlexPozz26]

I found the file on my system, and upon trying to paste it into the mozilla plugins folder, It will not allow me. I "copied" the file from its original location, but when i click "paste," the paste option is grayed out and will not let me paste into the mozilla plugins folder.

[gandaran]

you need root permission to do this, type sudo nautilus in the terminal/console and press enter.

[AlexPozz26]

sudo nautilus allowed me to copy and paste the file to where you specified, however, the same problem still persists

[gandaran]

sudo nautilus allowed me to copy and paste the file to where you specified, however, the same problem still persists

did the file properties change while coping/pasting? does the file look the same as the original one?
it should work in the /usr/lib/mozilla/plugins folder, but you can also try other plugins folders like /usr/lib/firefox (or firefox2) plugins.
I have it working in /usr/lib/flock/plugins, flock is a firefox 2 web-browser clone.

edit:
if all of this does not work for you, delete the libjavaplugin.so file you copied/pasted.
open the terminal/console and type the following commands.
first one
cd /usr/lib/firefox/plugins
second one
sudo ln -s /usr/lib/jvm/java-6-sun-1.6.0.06/jre/plugin/i386/ns7/libjavaplugin_oji.so
hope this will work!