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From <>
Subject RE: Monitoring of Tomcat process
Date Tue, 20 Feb 2007 15:43:44 GMT
If you just want to check that the process is running on the machine, here's a sample bash
script that I worked up:

# This script makes sure certain processes are running and emails support if they aren't

# What process to check for

# The command to run
COMMAND=$(ps -ef| grep $PROCESS| grep -v grep| wc -l)


# Set the most number of messages we want sent before we stop sending them

# Lets check to see if that file exists and if not, create it
if [ ! -f $EMAILFILE ]
   # The file does not exist, we better create it
   echo 0 > $EMAILFILE

if [ $OUTPUT == 0 ]
   # Lets see if we already sent messages
   if [ "$NUMBER" != 3 ]
      # Go ahead and send the email
      # The message that will go in the email
      MESSAGE="The $PROCESS process doesn't seem to be running on $HOSTNAME on $(date +"%x
%r %Z") number is $NUMBER"
      echo $MESSAGE | mail -s "$PROCESS process not running on $HOSTNAME"
      # Now increment the number in the EMAILFILE file
      NEWNUMBER=$(expr $NUMBER + 1)
  # So the process is running, let's make sure the email messages increment number is 0
  if [ "$NUMBER" != 0 ]
     echo 0 > $EMAILFILE

-----Original Message-----
From: Jean-Sebastien Pilon [mailto:jspilon@PENSON.CA] 
Sent: Tuesday, February 20, 2007 7:17 AM
To: Tomcat Users List
Subject: RE: Monitoring of Tomcat process

You could write a script that wget's the applications home page for a
few iterations and that checks that the process is running and restart
it if no answer.

You could also use nagios with the check_http or with nrpe to check the
processes on the app server. See on this one, this is quite a
bigger thing than the 1st solution if you do not have a monitoring
infrastructure with nagios already setup.

> -----Original Message-----
> From: Virgo Rustianto [] 
> Sent: Tuesday, February 20, 2007 6:51 AM
> To:
> Subject: Monitoring of Tomcat process
> Hi there,
> Currently I am using Tomcat webserver 4.1.2, does any one know how to
> monitoring Tomcat webserver ? The reason is I facing problem 
> almost everyday
> Tomcat was down, currently I don't know how to see does 
> tomcat running or
> down.
> Normally after startup I can't see anything except customer 
> care complaining
> our aplication doesn't works then we know tomcat must startup again.
> regards,
> Virgo Rustianto
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