Monitoring tomcat application session using nagios
 

Hi ,

can some one help me in setting up plugin which is called check_tomcatSession which is in /etc/nagios/nrpe.cfg from client side.This is to monitor tomcat session in client machine which is monitored by nagios server.

As per my knowledge Nagios have better documentation go ahead and read it.
command[check_tomcatSession]=@libexecdir@/check_tomcatSession [ -H hostname or IP address ] [ -P port ] [ -u username ] [ -p password ] [ -s session_name ] [ -w warning ] [ -c critical ] [ -V tomcat_version (6 for tomcat pre-7 or 7) ]

DEFAULTS
hostname=localhost
port=8080
username=Administrator
password=password
session_name=
warning=100
critical=400
tomcat_version=6
http://exchange.nagios.org/directory...ssions/details

I followed same link , but getting the problem in getting session id of the tomcat for which we have -s option.

Did you try this
If session_name is omitted (default) then the total number of sessions is calculated

Hi ,
When I am using following command "/usr/lib64/nagios/plugins/check_tomcatSessions -s 10 -w 100 -c 400 -V 7", output is as follows

Tomcat sessions 10 UNKNOWN: | sessions=

check_tomcatSessions plugin contains code which you find in attachment .This is the plugin which I have downloaded from link
which you have suggested.

what is the output without "-s" option.
OR
You may try the session_name going to this the following URL
http://ip_address: port/manager/list (tomcat v6)
http://ip_address: port/manager/text/list (tomcat v7)