Mozilla and multiple JREs

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  • noplasma
    #1

    Mozilla and multiple JREs

    Does Mozilla 1.4 support multiple JRE plugins? I need to support both the
    1.3.1 and 1.4.1 version levels (to be called separately using EMBED flags).
    If so, how do I configure that?

    Also related, does Netscape 7 / Mozilla 1.0.1 support JRE 1.3.1? When I
    link to the sparc/ns600/libjavaplugin_o ji.so file, my applet fails to load,
    while it works with the JRE 1.4.1 file.

    Kind Regards,
    Daniel


    Tags: None
    • Neomorph
      #2
      Re: Mozilla and multiple JREs

      On Fri, 8 Aug 2003 12:10:07 -0400, "noplasma" <noplasma@yahoo .com>
      two-finger typed:
      [color=blue]
      >Does Mozilla 1.4 support multiple JRE plugins? I need to support both the
      >1.3.1 and 1.4.1 version levels (to be called separately using EMBED flags).
      >If so, how do I configure that?[/color]

      The MS Windows 32-bit JDK 1.4.2 JRE that I use allows you to select the JRE
      you want to use from the Control Panel "Java Plugin" item. I'm not sure if
      there is such a thing in any Unix like operating systems...

      I also don't know if or how it is possible for each EMBED or OBJECT tag to
      refer to a specific version of the JRE, since you can only have one Java
      Plugin in a browser (but multiple JRE's on the system, of course), so you
      may have to switch JRE/Plugin files between browser starts.

      I believe it is virtually impossible to have your browser open a single
      window with two Applets, each of which use a seperate (different version)
      JRE VM.
      [color=blue]
      >
      >Also related, does Netscape 7 / Mozilla 1.0.1 support JRE 1.3.1? When I
      >link to the sparc/ns600/libjavaplugin_o ji.so file, my applet fails to load,
      >while it works with the JRE 1.4.1 file.[/color]

      Have you looked into the Java Console, to see what errors you get when
      loading the Applet ?
      Or is the browser itself generating an error (the plugin cannot be loaded,
      or somesuch) ?

      You may be using a class or method that is new to JRE 1.4.2 and does not
      run under older JREs.
      [color=blue]
      >
      >Kind Regards,
      >Daniel
      >[/color]

      Cheers.

        Comment

        • Chris
          #3
          Re: Mozilla and multiple JREs

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          Neomorph wrote:

          [snip][color=blue]
          > The MS Windows 32-bit JDK 1.4.2 JRE that I use allows you to select
          > the JRE you want to use from the Control Panel "Java Plugin" item.
          > I'm not sure if there is such a thing in any Unix like operating
          > systems...[/color]
          [snip]

          Hi,
          Regarding the comment about Unix, yes, it's possible. The Java plugin
          ..so file is stored in the JRE directory, and the Mozilla plugins
          directory contains a symlink to it. Just delete the symlink and make
          a new one, pointing at whatever JRE's plugin you want to use.

          - --
          Chris
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