init script에서 policy를 읽어들인다.

#!/bin/bash
#
# /etc/init.d/tomcat4 -- startup script for the Tomcat 4 servlet engine
#
....
start)

if start-stop-daemon --test --start --pidfile "$CATALINA_PID" \
--user $TOMCAT4_USER --startas "$JAVA_HOME/bin/java" \
>/dev/null; then

# Create catalina.policy (for the security manager)
rm -f "$CATALINA_BASE/conf/catalina.policy"
umask 022
echo "// AUTO-GENERATED FILE -- DO NOT EDIT!" \
> "$CATALINA_BASE/conf/catalina.policy"
echo "// Edit the files in /etc/tomcat4/policy.d/ instead" \
>> "$CATALINA_BASE/conf/catalina.policy"
echo "" >> "$CATALINA_BASE/conf/catalina.policy"
cat /etc/tomcat4/policy.d/*.policy \
>> "$CATALINA_BASE/conf/catalina.policy"

....

exit 0