adcfgclone.pl appsTier failed with error

While running adcfgclone.pl appsTier on Application tier i got error:

java.sql.SQLException: The Network Adapter could not establish the connection
Database connection to jdbc:oracle:thin:@uatdr.path.coop:1521:uatprddr failed
UPDATE call failed with exit code 1
Updating parameters:  fnd_jdbc_buffer_min=1 fnd_jdbc_buffer_max=5 fnd_jdbc_buffer_decay_interval=300
java.sql.SQLException: The Network Adapter could not establish the connection
Database connection to jdbc:oracle:thin:@uatdr.path.coop:1521:uatprddr failed
Updating parameters:  fnd_jdbc_buffer_decay_size=5 fnd_jdbc_usable_check=false fnd_jdbc_context_check=true
java.sql.SQLException: The Network Adapter could not establish the connection
Database connection to jdbc:oracle:thin:@uatdr.path.coop:1521:uatprddr failed
Updating parameters:  fnd_jdbc_plsql_reset=false
java.sql.SQLException: The Network Adapter could not establish the connection
Database connection to jdbc:oracle:thin:@uatdr.path.coop:1521:uatprddr failed
DBC generation failed with exit code 1
Updating Server Security Authentication
java.sql.SQLException: Invalid number format for port number
Database connection to jdbc:oracle:thin:@host_name:port_number:database failed
Updating Server Security Authentication failed with exit code 1
adgendbc.sh exiting with status 1
ERRORCODE = 1 ERRORCODE_END
.end std out.

Solution:

The hosts file do not have domain name. Add the Domain name in the Hosts File.