A Cross site scripting solution using a servlet filter and HttpServletRequestWrapper to encode parameter value's as they're retrieved by your application
http://greatwebguy.com/programming/java/simple-cross-site-scripting-xss-servlet-filter/
IBM has changed the way they deal with files and what they allow to pass through a servlet filter, there's a property that can be set to default back to the original behavior.
http://greatwebguy.com/programming/java/urlrewritefilter-servlet-filter-problem-in-websphere-6105-and-greater/
A servlet to dynamically resize images stored on the file system of your server. For small scale Java web apps that need multiple image sizes.
http://greatwebguy.com/programming/java/java-image-resizer-servlet/