Lars, I've just reinstalled Ubuntu's Jitsi package on amd64 and I cannot reproduce the problem with verifying the certificate nor with resolving the java dependency (using both Gnome Flashback and Ubuntu Default Desktop).
In any case, the above problems would be (a) completely bug(s). If you can reproduce the certificate window issue, please send your logs over to <email address hidden>.
Lars, I've just reinstalled Ubuntu's Jitsi package on amd64 and I cannot reproduce the problem with verifying the certificate nor with resolving the java dependency (using both Gnome Flashback and Ubuntu Default Desktop).
In any case, the above problems would be (a) completely bug(s). If you can reproduce the certificate window issue, please send your logs over to <email address hidden>.