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Thread: [SOLVED] Java Runtime Environment Plugin Problem

  1. #1
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    Cool [SOLVED] Java Runtime Environment Plugin Problem

    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

  2. #2
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    Re: Java Runtime Environment Plugin Problem

    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.

  3. #3
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    Re: Java Runtime Environment Plugin Problem

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

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    Re: Java Runtime Environment Plugin Problem

    Quote Originally Posted by AlexPozz26 View Post
    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?
    Last edited by gandaran; July 12th, 2008 at 08:59 PM.

  5. #5
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    Re: Java Runtime Environment Plugin Problem

    I'm using Firefox 2, on Ubuntu 8.04

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    Re: Java Runtime Environment Plugin Problem

    Quote Originally Posted by AlexPozz26 View Post
    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

  7. #7
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    Re: Java Runtime Environment Plugin Problem

    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.

  8. #8
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    Re: Java Runtime Environment Plugin Problem

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

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    Re: Java Runtime Environment Plugin Problem

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

  10. #10
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    Re: Java Runtime Environment Plugin Problem

    Quote Originally Posted by AlexPozz26 View Post
    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!
    Last edited by gandaran; July 13th, 2008 at 06:52 PM.

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