It was a single right listed in that file that was causing the problem, something to do with publishing calendar share info.

Hi,I spent a few days trying to work out why my Zimbra setup stopped working after upgrading from ZCA 7.0.0 to 7.0.1 (used the Network Edition for Ubuntu 8.04 LTS).Turns out that the file ~zimbra/conf/rights/zimbra-rights-appliance-admin.xml was the problem. With the file existing, I would get a jav...