Not big deal but I am bit tired to google for this script each time I setup new box. Now I know where to get it without spending two valuable extra minutes to google. First create /etc/rc.d/init.d/tomcatd :
PLAIN TEXT
CODE:

#!/bin/bash

#

# Startup script for Tomcat

#

# chkconfig: 345 84 16

# description: Tomcat jakarta JSP server

TOMCAT_HOME=/opt/tomcat

TOMCAT_START=$TOMCAT_HOME/bin/startup.sh

TOMCAT_STOP=$TOMCAT_HOME/bin/shutdown.sh

#Necessary environment variables

export JAVA_HOME=/opt/jdk1.5.0_10

export [...]

Here is just short script that restarts tomcat when it wrizes. It happens to our prod during peak load. You need to place inder webapps/ROOT directory a file isalive.html with one word 'YES' inside. Or alternatively modify a script and access default index.jsp.
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CODE:

#!/bin/sh

HOST=127.0.0.1

PORT=8080

#infinite loop

while [ 1 ]

do

    #try to access tomcat's page

    [...]