firefox not launching since upgrade to 0.9_1

[Richard Tobin]

> # firefox     <<-- we no longer need to launch 1st time as root, but...
> (firefox-bin:87415): Gtk-WARNING **: cannot open display:  

Presumably you don't have DISPLAY set when you're running as root.

> > firefox
> *** loading the extensions datasource
> *** loading the extensions datasource
> *** loading the extensions datasource

I have the same problem, but with an extra message:

LoadPlugin: failed to initialize shared library /usr/local/jdk1.3.1/jre/plugin/i386/ns600/libjavaplugin_oji.so [/usr/local/jdk1.3.1/jre/plugin/i386/ns600/libjavaplugin_oji.so: Undefined symbol "_vt$16nsQueryInterface"]
*** loading the extensions datasource
LoadPlugin: failed to initialize shared library /usr/local/jdk1.3.1/jre/plugin/i386/ns600/libjavaplugin_oji.so [/usr/local/jdk1.3.1/jre/plugin/i386/ns600/libjavaplugin_oji.so: Undefined symbol "_vt$16nsQueryInterface"]
*** loading the extensions datasource

-- Richard