0.0.0.0 is an invalid address from a client perspective (the client being the apache plugin in this case).
Fixed in master: http://git.fedorahosted.org/git/?p=rhq/rhq.git;a=commitdiff;h=508261c
Bulk closing of items that are on_qa and in old RHQ releases, which are out for a long time and where the issue has not been re-opened since.