Re: [gentoo-amd64] trouble with both 32bit & 64bit java in firefox

[Drake Donahue]

On Sun, 2009-05-10 at 01:39 +0000, Daiajo Tibdixious wrote:
> On Sat, May 9, 2009 at 1:35 PM, Drake Donahue <donahue95@×××××××.net> wrote:
> > On Sat, 2009-05-09 at 14:59 +0200, Beso wrote:
> >> 2009/5/9 Daiajo Tibdixious <daiajo@×××××.com>
> >>         # eselect java-nsplugin list
> >>         Available 32-bit Java browser plugins
> >>          [1]  emul-linux-x86-java-1.6 current
> >>          [2]  emul-linux-x86-java-1.6-plugin2
> >>         Available 64-bit Java browser plugins
> >>          [1]  sun-jdk-1.6
> >>
> >>         I have blackdown java installed but it does not show up in
> >>         eselect. Why is that?
> >>
> >>         When I start firefox-bin & goto about:plugins it says "no
> >>         plugins
> >>         installed", despite this symlink:
> >>         /usr/lib32/nsbrowser/plugins/javaplugin.so ->
> >>         /usr/share/java-config-2/nsplugin/emul-linux-x86-java-1.6-javaplugin.so
> >>
> >>         When I use 64 bit firefox with the sun jdk it comes up and
> >>         'sort of'
> >>         works, sort of doesn't. In general
> >>         I hate it because its flaky, & consistently fails on 1 big
> >>         applet.
> >>
> >>         I was previously using the blackdown plugin, however if I
> >>         manually
> >>         create the symlink, firefox will not start up, it Segmentation
> >>         fault's. This is the symlink I setup:
> >>         /usr/lib64/nsbrowser/plugins/javaplugin.so ->
> >>         /opt/blackdown-jre-1.4.2.03/plugin/amd64/mozilla/libjavaplugin_oji.so
> >>         I also tried pointing it to
> >>         /opt/blackdown-jre-1.4.2.03/lib/amd64/libjavaplugin_jni.so
> >>         which also causes a Segmentation fault.
> >>
> >>         I dont care whether I use 32 or 64 bit firefox, I just want
> >>         java to
> >>         work reliably.
> >>
> >>         Googling, a lot of people are getting Segmentation faults,
> >>         with the
> >>         suggestion "use blackdown". However even mozilla's plugin page
> >>         does
> >>         not give the symlinks to use.
> >>
> >>         This page http://fedora64.org/desktop-64-posts/java-x86_64/
> >>         says to make the source libjavaplugin_oji.so
> >>         If I use that or javaplugin_oji.so firefox starts but
> >>         about:plugins
> >>         shows no plugins installed.
> >>
> >>         My googling isn't turning up much helpful, I suspect I just
> >>         don't know
> >>         enough to provide good keywords.
> >>
> >>
> >> drop the blackdown java and use the official 1.6 release. the latest
> >> one provides 32 and 64 bit plugins. the blackdown java is really a bad
> >> piece of code now.
> >>
> >> --
> >> dott. ing. beso
> >
> > java-config not eselect with java
>
> I java-config bacl top the sun one:
> The following VMs are avilable for generation-2:
> 1)      Blackdown JRE 1.4.2.03 (blackown-jre-1.4.2)
> 2)      Sun 32bit JRE 1.6.0.13 (emul-linux-x86-java-1.6)
> *)      Sun JRE 1.6.0.13 (sun-jdk-1.6)
>
> Started firefox & about:plugins shows no plugins.
> So I also did eslect java-nsplugin:
>         :
> Avialble 64-bit Java browser plugins
>   [1]  sun-jdk-1.6 current
>
> Started firefox & no plugins.
> I traced the symbolic links & manually set it to
> /opt/sun-jdk-1.6.0.13/jre/lib/amd64/libnpjp2.so
> which also did not work.
>
> This is all really weird because I had it working with sun-jdk earlier.
>
> I also found /opt/firefox/plugins was point to
> /usr/lib32/nsbrowser/plugins. I repointed this to lib64 & got this
> error:
> LoadPlugin: failed to initialize shared library
> /opt/sun-jdk-1.6.0.13/jre/lib/amd64/libnpjp2.so [...: wrong ELF class:
> ELFCLASS64
> from firefox-bin (which I'm using for mail so I can start/stop firefox
> at will. I suspect that /opt/firefox/plugins is just for firefox-bin.
>
You can install a Java plugin for your web browser by emerging a Java VM
with the nsplugin USE flag set. Perhaps the use flag got lost?