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Showing posts from January, 2013

Firefox: pluginreg.dat - What Dat?

The mise en scène:

Oracle discovers a security issue with Java 1.7.0_07. Oracle patches same and releases Java 1.7.0_10. Firefox blacklists 1.7.0_07. Java apps that used to work now don't.   OK so far so good. So we upgrade to latest Java on computer A (Fedora 17 x86_64) and now things "just work". And "about:plugins" lists the new plugin as 1.7.0_10 as does https://www.mozilla.org/en-US/plugincheck/
So far so good.
Now update computer B (again Fedora 17 x86_64) and while the upgrade seems to take, java apps are not working, "about:plugins" lists the plugin as 1.7.0_07 as does https://www.mozilla.org/en-US/plugincheck/
Even more strange - on computer B - go to about:config and set plugin.expose_full_path to TRUE and (I wish I had a screenshot of this but trust me it happened) the plugin is listed as 1.7.0_07 at the same time as the path is listed as /usr/java/jdk1.7.0_10/jre/lib/amd64/libnpjp2.so.
Clearly something was amiss. And indeed it was. It …