iCal, CardCal not work after upgrade to 7.2.1-Rev10

[Wolfgang Rosenauer]

It is very unlikely that the update broke caldav/carddav since other users have it still working.
Something else might be the reason.
Check listbundles for non-active bundles and that all packages are up to date.

[pachost]

HI, all

i found that caldav and carddav server not able connect after upgrade to server
version 7.2.1-Rev10

Before upgrade, it is able connect to caldav and carddav.

After upgrade, all connection not able establish.

cat /etc/redhat-release
CentOS release 6.4 (Final)

May we know any suggestion on it.

Thanks,
Kelvin