Java plugin not working in FF4 with correct symbolic link

So I have the current JRE (6_24) installed correctly, and the sym links to libnpjp2.so in the correct locations for Firefox. I've tried the links in Firefox's directory plugin folder and my home directory's plugin folder but the Java plugin just will not work with Firefox.
I've removed and cleaned both the JRE and FF, reinstalled and tried again but still no success. Wondering if anyone else has had this problem and come to a solution.

Did you try to create a plugins folder in the Firefox installation folder and place the symlink in that folder?
*http://kb.mozillazine.org/Determining_plugin_directory_on_Linux

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