perl: warning: Falling back to the standard locale ("C") while running emctl status agent

Here Perl executable are throwing warning alerts as below

[oracle@<HOST>:/u01/app/oracle/linux/<HOST>/agent12c/agent_inst/bin]$./emctl status agentperl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
        LANGUAGE = "en_US.UTF-8",
        LC_ALL = "ISO-8859-1",
        LANG = "ISO-8859-1"    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
Oracle Enterprise Manager 12c Cloud Control 12.1.0.1.0
Copyright (c) 1996, 2012 Oracle Corporation.  All rights reserved.
---------------------------------------------------------------
Agent Version     : 12.1.0.1.0
OMS Version       : 12.1.0.1.0
Protocol Version  : 12.1.0.1.0
Agent Home        : /u01/app/oracle/linux/<HOST>/agent12c/agent_inst
Agent Binaries    : /u01/app/oracle/linux/<HOST>/agent12c/core/12.1.0.1.0
Agent Process ID  : 5203
Parent Process ID : 5151
Agent URL         : https://<HOST>.domain.com:3872/emd/main/
Repository URL    : https://<OMS_HOST>.domain.com:4900/empbs/upload
Started at        : 2012-11-17 19:39:34
Started by user   : oracle
Last Reload       : (none)
Last successful upload                       : 2012-11-17 19:40:33
Last attempted upload                        : 2012-11-17 19:40:33
Total Megabytes of XML files uploaded so far : 0.05
Number of XML files pending upload           : 0
Size of XML files pending upload(MB)         : 0
Available disk space on upload filesystem    : 85.29%
Collection Status                            : Collections enabled
Last attempted heartbeat to OMS              : 2012-11-17 19:40:06
Last successful heartbeat to OMS             : 2012-11-17 19:40:06
---------------------------------------------------------------
Agent is Running and Ready

Solution:

Now check for the bash_profile and see for the entry
vi .bash_profile
export LC_CTYPE=en_US.UTF-8
export LC_ALL=en_US.UTF-8

If the above are not set, please set it and run the bash_profile and re-check the status of the EM Agent.
It should hlep to resolve the perl issue.

[oracle@<HOST>:~]$. .bash_profile

[oracle@<HOST>:~]$ cd /u01/app/oracle/linux/<HOST>/agent12c/agent_inst/bin

[oracle@<HOST>:/u01/app/oracle/linux/<HOST>/agent12c/agent_inst/bin]$./emctl status agent
Oracle Enterprise Manager 12c Cloud Control 12.1.0.1.0
Copyright (c) 1996, 2012 Oracle Corporation.  All rights reserved.
---------------------------------------------------------------
Agent Version     : 12.1.0.1.0
OMS Version       : 12.1.0.1.0
Protocol Version  : 12.1.0.1.0
Agent Home        : /u01/app/oracle/linux/<HOST>/agent12c/agent_inst
Agent Binaries    : /u01/app/oracle/linux/<HOST>/agent12c/core/12.1.0.1.0
Agent Process ID  : 5203
Parent Process ID : 5151
Agent URL         : https://<HOST>.domain.com:3872/emd/main/
Repository URL    : https://<OMS_HOST>.domain.com:4900/empbs/upload
Started at        : 2012-11-17 19:39:34
Started by user   : oracle
Last Reload       : (none)
Last successful upload                       : 2012-11-17 19:42:37
Last attempted upload                        : 2012-11-17 19:42:37
Total Megabytes of XML files uploaded so far : 0.05
Number of XML files pending upload           : 0
Size of XML files pending upload(MB)         : 0
Available disk space on upload filesystem    : 85.29%
Collection Status                            : Collections enabled
Last attempted heartbeat to OMS              : 2012-11-17 19:42:06
Last successful heartbeat to OMS             : 2012-11-17 19:42:06
---------------------------------------------------------------
Agent is Running and Ready