John, java will point to something to run java programs locally on your machine.
I think xulrunner is some Firefox/Mozilla thing. You want a java *plugin* for Firefox. Try the combo deal: update-alternatives --config xulrunner-1.9-javaplugin.so and pick the one that looks like it comes from Sun. Rob On Mar 7, 2:22 pm, John Cremona <john.crem...@gmail.com> wrote: > Thanks for the detailed instructions. I have never heard of > xulrunner. Something of that name was installed but I installed a > newer (?) version using synaptic. I also used update-alternatives to > get java to point to the sun version. Now I have this: > > j...@ubuntu%sudo update-alternatives --display java > java - status is manual. > link currently points to /usr/lib/jvm/java-6-sun/jre/bin/java > /usr/lib/jvm/java-6-openjdk/jre/bin/java - priority 1061 > slave java.1.gz: /usr/lib/jvm/java-6-openjdk/jre/man/man1/java.1.gz > /usr/bin/gij-4.2 - priority 42 > slave java.1.gz: /usr/share/man/man1/gij-4.2.1.gz > /usr/lib/jvm/java-6-sun/jre/bin/java - priority 63 > slave java.1.gz: /usr/lib/jvm/java-6-sun/jre/man/man1/java.1.gz > Current `best' version is /usr/lib/jvm/java-6-openjdk/jre/bin/java. > > j...@ubuntu%sudo update-alternatives --display xulrunner > xulrunner - status is auto. > link currently points to /usr/bin/xulrunner-1.9 > /usr/bin/xulrunner-1.9 - priority 50 > /usr/lib/xulrunner/xulrunner - priority 50 > Current `best' version is /usr/bin/xulrunner-1.9. > > I don't know what 'best' means, it still seems to like the look of the > open jdk for java. > > After all this and restarting firefox there is still no mention of > java in about:plugins. I find it hard to believe that it is not there > since the Preferences setting for jave is enabled" and surely there > are many other web things which would not work without java (gmail for > a start). > > The jmol demo page shows exactly the same message as before. > > Never mind, > > John > > 2009/3/7 Rob Beezer <goo...@beezer.cotse.net>: > > > > > I'd forgotten that about:plugins is so useful. > > > Do you know the Debian/Ubuntu alternatives scheme? Its a way to > > specify a system-wide default editor, etc. See "man update- > > alternatives" > > > On Ubuntu Hardy 8.04 I had to use (as root) > > > update-alternatives --config xulrunner-1.9-javaplugin.so > > > You can see the possible "alternatives" via > > ls -al /etc/alternatives. The update-alternatives command manages > > asll these symbolic links. > > > You want to have the xul-runner thing point to a Sun plug in, not an > > Open JDK or IcedTea or some such thing. You'll probably get some > > choices. (Presuming you have the right packages installed.) > > > THEN check about:plugins after a restart of Firefox. Good luck. ;-) > > > On Mar 7, 12:43 pm, John Cremona <john.crem...@gmail.com> wrote: > >> That's interesting -- there is no java at all listed in the list of > >> plugins. This is with 32-bit ubuntu. > > >> John > > >> 2009/3/7 gerhard <ge01...@yahoo.de>: > > >> >> with all sorts of JRE's > >> > one possible reason for this problem is > >> > the plugin firefox may be using. > > >> > check by typing > >> > about:plugins > >> > in the title bar, > >> > and make sure it is the plugin you expect > >> > (sun's jre) --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
