「SSLDisabledError」が表示され、osad の起動に失敗する

Issue

• osad サービスの起動に失敗しました。

# service osad restart
Shutting down osad:                                        [  OK  ]
Starting osad: Not able to reconnect
Traceback (most recent call last):
  File "/usr/share/rhn/osad/jabber_lib.py", line 252, in setup_connection
    c = self._get_jabber_client(js)
  File "/usr/share/rhn/osad/jabber_lib.py", line 309, in _get_jabber_client
    c.connect()
  File "/usr/share/rhn/osad/jabber_lib.py", line 589, in connect
    raise SSLDisabledError
SSLDisabledError

• クライアントの up2date log shows には、以下が表示されます。

the log shows:
[Wed Dec 18 11:28:28 2013] up2date
Traceback (most recent call last):
  File "/usr/sbin/rhnreg_ks", line 227, in ?
    cli.run()
  File "/usr/share/rhn/up2date_client/rhncli.py", line 66, in run
    sys.exit(self.main() or 0)
  File "/usr/sbin/rhnreg_ks", line 90, in main
    rhnreg.getCaps()
  File "/usr/share/rhn/up2date_client/rhnreg.py", line 295, in getCaps
    s.capabilities.validate()
  File "/usr/share/rhn/up2date_client/rhnserver.py", line 162, in __get_capabilities
    self.registration.welcome_message()
  File "/usr/share/rhn/up2date_client/rhnserver.py", line 67, in __call__
    raise up2dateErrors.SSLCertificateVerifyFailedError()
up2date_client.up2dateErrors.SSLCertificateVerifyFailedError: The SSL certificate /usr/share/rhn/RHN-ORG-TRUSTED-SSL-CERT failed verification.