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  1. #1
    KevinWorkman's Avatar
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    Question Finding Old Versions of Java Browser Plugin?

    Hey all,

    At work we're deploying some software as an applet (I know), but we can't guarantee what browser or version of Java the clients have. I see much painful testing in my future.

    I need to be able to test it out with older versions of Java (at least Java 6). I can get old versions of the JRE and the JDK, but what I really need is an old version of the browser plugin.

    Where do I even go to find that? I can completely uninstall Java, go to an applet, and then look at the download page, but it only offers the latest Java 7.

    I've tried googling various keywords, but the best I can find are the older versions of the JRE and JDK. Can anybody with stronger google-fu than me find a trustworthy source of legacy browser plugins?
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  2. #2
    gimbal2 is online now Just a guy
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    Default Re: Finding Old Versions of Java Browser Plugin?

    AFAIK there is no such thing as an older plugin. The plugins are a DLL part of the runtime (one for IE, one for "others") so if you don't have outdated runtimes, you don't have outdated plugins.

    So in my experience, your quest is to find outdated runtime installations.

    EDIT: of course I assume Windows here, I have no idea how it works on Mac/Linux versions of the browsers.
    Last edited by gimbal2; 03-20-2014 at 03:55 PM.
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  3. #3
    Norm's Avatar
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    Default Re: Finding Old Versions of Java Browser Plugin?

    Some time ago (in a land far, far away ..) I was able to change java versions by changing the contents of the registry.
    I haven't tried it in the last few years and can't be sure if it was the desktop version or the browser version I changed.

    Do you have a test machine to play with? Oracle's VirtualBox might be useful. I've loaded a version of XP in it and it executes. Another way would be to partition your harddrive and install another Windows there. I've used PartitionMagic for partitioning and swapping boot drives to have a test version of XP on my PC.
    If you don't understand my response, don't ignore it, ask a question.

  4. #4
    KevinWorkman's Avatar
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    Default Re: Finding Old Versions of Java Browser Plugin?

    I've been using my computer as a test machine. I completely uninstall Java, restart, then install Java 6.

    I then go to the applet in question, and I get redirected here: Download Java for Windows

    Which only gives me the option of installing the Java 7u51 browser plugin. Similar things happen for other browsers.

    I should note that the applet in question is compiled to Java 6, and the javascript and jnlp specify Java 6 as the minimum version, so it's not a case of the program itself requesting a new version of Java.

    I think I can at least bet on the client machines having Windows 7 and Java 6, but I don't have any guarantees other than that.
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    gimbal2 is online now Just a guy
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    Default Re: Finding Old Versions of Java Browser Plugin?

    DOH, completely misread the question of course. Ding dong.

    My earlier post is still partly relevant: the plugin is a DLL of the runtime, so if you install an older runtime then you have the plugin you need. The only thing to wonder then is: how on earth do you tell the browser to use THAT plugin DLL. There I draw a complete blank.
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  6. #6
    KevinWorkman's Avatar
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    Default Re: Finding Old Versions of Java Browser Plugin?

    Maybe my inability to test with an older plugin is a blessing in disguise: maybe it means that any clients running older versions of Java will be forced to update their Java before they run the applet?

    But I know as soon as I bet on that I'll get a call from somebody complaining that it doesn't work in Java 1.4...
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    gimbal2 is online now Just a guy
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    Default Re: Finding Old Versions of Java Browser Plugin?

    Quote Originally Posted by KevinWorkman View Post
    But I know as soon as I bet on that I'll get a call from somebody complaining that it doesn't work in Java 1.4...
    "Correct, you need to upgrade to fix that huge security risk you have".
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