multiple tomcat instance

catalina.sh

#!/bin/sh

# resolve links - $0 may be a softlink
PRG="$0"
while [ -h "$PRG" ]; do
  ls=`ls -ld "$PRG"`
  link=`expr "$ls" : '.*-> \(.*\)$'`
  if expr "$link" : '/.*' > /dev/null; then
    PRG="$link"
  else
    PRG=`dirname "$PRG"`/"$link"
  fi
done

# Get standard environment variables
PRGDIR=`dirname "$PRG"`
export CATALINA_BASE=`cd "$PRGDIR/.." >/dev/null; pwd`
echo "setting CATALINA_BASE as: $CATALINA_BASE"
# remove dev logs from catalina
rm -rf "$CATALINA_BASE/logs/*"
# assumes tomcat is just outside the path
sh "$CATALINA_BASE/../tomcat/bin/catalina.sh" "$@"

copy all directories excluding bin, lib into new CATALINA_BASE.
change server.xml for different port