This is an error message when running the check_haproxy plugin which can be found on the following service checks (there could be others).

Opsview - Load Balancer - Summary Stats: datastore-access
Opsview - Load Balancer - Summary Stats: messagequeue-access
Opsview - Load Balancer - Summary Stats: messagequeue-management-access
Opsview - Load Balancer - Summary Stats: registry-access
Opsview - Load Balancer - Summary Stats: timeseries-access  

Example:

Command: check_nrpe -H 'Hostname.test.com' -c check_haproxy -a '-m summary_stats -P "9000" -u "opsview" -p "%OPSVIEW_LOADBALANCER_CREDENTIALS:2%" -s "haproxy?stats" -n "messagequeue-management-access"' -t 60 -C '' -k '' -r '' -y 'ADH-AES256-SHA:ADH-AES128-SHA'
Monitored by: Master Monitoring Server
Hostname run on: collector_host
Return code: 3
Output: UNKNOWN: Error decoding CSV 

Solution

• From host, navigate to /opt/opsview/agent/tmp directory.

• Check for any temp files related to haproxy, something like haproxy_*, and remove those files.
• Run the service check to test.

If Issue Persists

• Please contact with our Client Services team via the chat service box available in any of our websites or via email to support@itrsgroup.com
  
  
  
• Make sure you provide to us:

- ANY LOG FILE OR DIAGNOSTIC

- ANY SCREENSHOT

- ANY VENDOR/VERSION OF WHAT THEY ARE TRYING TO CONNECT TO

-Any troubleshooting step already verified from the ones described in this article.