Getting error [ERROR: failed SSL connection - bad or expired cert?]while running - "configure-proxy.sh

Issue

• Installed Rd Hat Enterprise Linux 6.2 but while running "configure-proxy.sh" getting following output:

[root@host1 ssl-build]# configure-proxy.sh
RHN Parent [xmlrpc.rhn.redhat.com]: host1.example.com
CA Chain [/usr/share/rhn/RHNS-CA-CERT]:
Proxy version to activate [1.7]: 5.5
Traceback email []: user2@example.com
Use SSL [Y/n]: y
HTTP Proxy []:
Regardless of whether you enabled SSL for the connection to the Spacewalk Parent
Server, you will be prompted to generate an SSL certificate.
This SSL certificate will allow client systems to connect to this Spacewalk Proxy
securely. Refer to the Spacewalk Proxy Installation Guide for more information.
Organization []: Waste Management
Organization Unit [host2]: host2.example.com
Common Name [host2]: host2.example.com
City []: Houston
State []: Texas
Country code []: US
Email [user2@example.com]:
Cname aliases (separated by space) []:
ERROR: failed SSL connection - bad or expired cert?
Proxy activation failed! Installation interrupted.
ERROR: failed SSL connection - bad or expired cert?