could not contact scm server failure

On May 27, 6:55 am, Srinivasan Ramalingam wrote:
Hi guys ,
when i was try to install cloudera manager i got this error.
*BEGIN host -t PTR 108.166.125.61 *
61.125.166.108.in-addr.arpa domain name pointer
108-166-125-61.static.cloud-ips.com.
*END (0) *
using 108-166-125-61.static.cloud-ips.com as scm server hostname
*BEGIN perl -e 'use IO::Socket; exit(not (new IO::Socket::INET(PeerAddr =>
@ARGV[0], PeerPort => @ARGV[1], Proto => tcp, Timeout => 5)));'
108-166-125-61.static.cloud-ips.com 7182 *
*END (1) *
could not contact scm server at 108-166-125-61.static.cloud-ips.com:7182,
giving up
waiting for rollback request

After that i was googling . i found some solution but it doesn't work(https://groups.google.com/a/cloudera.org/forum/?fromgroups#!topic/scm...).
any body can help me to solve this problem . it is very urgent