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From Martin Stafford <martin.staff...@spike.com.au>
Subject Tomcat 4 management scripts, multiple instances and configuration
Date Tue, 06 Nov 2001 00:30:28 GMT
Here's some scripts I've written to manage multiple tomcat instances on our
Linux development server. It does the following things:
o Allows management of multiple instances
o Sends tomcat output to syslog so that it can be broadcast to development
workstations (they listen with netcat - nc.exe -l -u -p 514)
o Waits for tomcat to shutdown before restarting it

CATALINA_HOME should point to the location that you extracted tomcat to. I
use /usr/tomcat

CATALINA_BASE should point to a location containing unique copies of:
conf
work
logs
webapps
Your webapps could live somewhere else but I leave them there to keep all
the files for one instance together.
All of the ports listed in each $CATALINA_BASE/conf/server.xml must be
unique such as your warp listener, server port etc.

------------------------------------
Diff on catalina.sh
Adds syslog redirection, process id recording and classpath modifications
------------------------------------
98,101d97
< if [ -n "$CLASSPATH" ]; then
<   CP="$CP:$CLASSPATH"
< fi
< 
206,207c202
<         | logger -p user.debug -t "$CATALINA_BASE" &
< #     >> $CATALINA_BASE/logs/catalina.out 2>&1 &
---
>      >> $CATALINA_BASE/logs/catalina.out 2>&1 &
213,214c208
<         | logger -p user.debug -t "$CATALINA_BASE" &
< #     >> $CATALINA_BASE/logs/catalina.out 2>&1 &
---
>      >> $CATALINA_BASE/logs/catalina.out 2>&1 &
216d209
<   echo $! > $CATALINA_BASE/conf/tomcat.pid

------------------------------------
/etc/init.d/tomcat
Stops, Starts and Restarts tomcat
------------------------------------
# Process all Catalina instances
#
# chkconfig: 2345 80 20
# description: Tomcat Java Servlet/JSP containers
# usage: tomcat stop|start|restart [instance_file_name]

CONFIG_DIR="/etc/tomcat.d"

cd /

for i in $(ls $CONFIG_DIR); do
  if [ -z "$2" ] || [ $i = $2 ]; then
    CLASSPATH=""
    . $CONFIG_DIR/$i
    export JAVA_HOME CATALINA_HOME CATALINA_BASE CLASSPATH
    case "$1" in
      start)
        echo "Starting $CATALINA_NAME tomcat instance..."
        $CATALINA_HOME/bin/catalina.sh start
        ;;
      stop)
        echo "Stopping $CATALINA_NAME tomcat instance..."
        $CATALINA_HOME/bin/catalina.sh stop
        if [ -a $CATALINA_BASE/conf/tomcat.pid ]; then
          TOMCAT_PROCESS=$(cat $CATALINA_BASE/conf/tomcat.pid)
          if [ -d /proc/$TOMCAT_PROCESS ]; then
            echo -n "Waiting for process $TOMCAT_PROCESS ["
            while [ -d /proc/$TOMCAT_PROCESS ]; do
              echo -n "."
              sleep 1
            done
            echo "] Stopped"
          fi
          rm -f $CATALINA_BASE/conf/tomcat.pid
        fi
        ;;
      restart)
        /etc/init.d/tomcat stop $i
        /etc/init.d/tomcat start $i
        ;;
    esac
    echo
  fi
done
------------------------------------
Example /etc/tomcat.d/XXXXXXX
one for each instance of tomcat
------------------------------------
CATALINA_NAME="Development Instance"
JAVA_HOME="/usr/java/jdk1.3.1"
CATALINA_HOME="/usr/tomcat"
CATALINA_BASE="/sites/development/"

------------------------------------
Example $CATALINA_BASE/conf/server.xml - one for each instance
------------------------------------
<Server port="8002" shutdown="SHUTDOWN" debug="0">
        <Service name="dev.instance.server">
                <Connector
className="org.apache.catalina.connector.http.HttpConnector" port="8102"
minProcessors="5" maxProcessors="75" acceptCount="10" debug="0"
connectionTimeout="60000"/>
                <Connector className="org.apache.ajp.tomcat4.Ajp13Connector"
port="8152" address="127.0.0.1" acceptCount="10" debug="0"/>
                <Engine
className="org.apache.catalina.connector.warp.WarpEngine"
name="dev.instance.engine" debug="0"
defaultHost="dishlex-stage.spike.com.au">
                        <DefaultContext reloadable="true">
                                <Parameter name="serverType" value="dev"/>
                        </DefaultContext>
                        <Logger
className="org.apache.catalina.logger.FileLogger" prefix="catalina."
suffix=".log" timestamp="true"/>
                        <Realm
className="org.apache.catalina.realm.MemoryRealm"/>
                        <Host name="dev.company.com.au"
appBase="webapps/dev.company.com.au/root">
                                <Logger
className="org.apache.catalina.logger.FileLogger" directory="logs"
prefix="dev-company.tomcat." suffix=".log" timestamp="true"/>
                                <Context docBase="" path=""/>
                                <Context
docBase="/usr/tomcat/webapps/manager" path="/manager"/>
                        </Host>
                </Engine>
        </Service>
</Server>


Martin Stafford


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