Tomcat proxy settings
In catalina.properties, add the lines:
http.proxyHost=10.25.10.25
http.proxyPort=8080
http.nonProxyHosts=localhost|127.0.0.1|*.exception.com
These are Java system properties as described here: http://java.sun.com/j2se/1.4.2/docs/guide/net/properties.html