Diameter Signaling Router (DSR): httpd: Could Not Reliably Determine The Server's Fully Qualified Domain Name, Using 127.0.0.1 For ServerName

Asset ID:	1-72-2186139.1
Update Date:	2016-09-23
Keywords:

Solution Type Problem Resolution Sure

Solution 2186139.1 : Diameter Signaling Router (DSR): httpd: Could Not Reliably Determine The Server's Fully Qualified Domain Name, Using 127.0.0.1 For ServerName

Applies to:

Oracle Communications Diameter Signaling Router (DSR) - Version DSR 6.0 and later
Information in this document applies to any platform.

Symptoms

Unable to login to PMAC GUI.

Getting Syscheck Error:

* run: FAILURE:: MINOR::5000000000000002 -- Server Application Process Error
* run: FAILURE:: Only 0 instance(s) of httpd running. 8 instance(s) required!

Cause

Syscheck error indicated that httpd service is not running.
https status was stopped

[root@pmac-Hosname-1 ~]# service httpd status
httpd is stopped
[root@pmac-Hosname-1 ~]#

Attempt to start the httpd service failed with below error

[root@pmac-Hosname-1 ~]# service httpd start
Starting httpd: httpd: apr_sockaddr_info_get() failed for pmac-Hosname-1
httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for ServerName
[FAILED]
[root@pmac-Hosname-1 ~]#

Solution

It was identified that the hostname was not correct.
Hostname defined in etc/hosts file was different than the servers hostname.
In below sample output notice 't' in pmac-Hosname-1 vs pmac-Hostname-1

[root@pmac-Hosname-1~]# cat /etc/hosts
127.0.0.1 localhost localhost4 localhost4.localdomain4 smacweb pmac-Hostname-1
::1 localhost localhost6 localhost6.localdomain6 pmac-Hostname-1
100.100.100.100 ntpserver1
xxxx::xxxx:xxxx:xxxx:xxx host
[root@pmac-Hosname-1 ~]#

This can be corrected from platcfg menu
Edit the hostname from platcfg --> Server Configuration--> Hostname--> Edit
Once the hostname is corrected then reboot the server

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