Table of Contents

1. Introduction

2. New Features

2.1. XML Schema for web.xml

2.1.1. Schema's Declaration

2.1.2. Validation

2.1.3. Order Independence

2.1.4. New Descriptor Elements

2.1.5. J2EE Schema's

2.2. Filter Mapping Enhancements

2.2.1. The Problem

2.2.2. The Solution

2.2.3. No Silver Bullet

2.3. RequestDispatcher Forward Attributes

2.4. New Event Listeners

2.4.1. Request Event & Listener

2.4.2. Request Attribute Event & Listener

2.5. New APIs

2.5.1. Client Connection Methods

2.5.2. Internationalization

3. Missing Features

3.1. Programmatic Authentication

3.2. Extensible Deployment Descriptors

3.3. NIO Support

3.4. SingleThreadModel Deprecated

4. Updates & Clarifications

4.1. Java & HTTP Versions

4.2. Path Mappings & Path Parameters

4.3. Error pages

4.4. Welcome Files

4.5. Life Cycles & Events

5. New and Unresolved Problems

5.1. Welcome Files

5.2. RequestDispatchers vs Wrappers

5.2.1. Wrap Over vs Wrap Under

5.2.2. Resolution of RequestDispatchers vs Wrappers

5.3. Distributable Web Applications

6. Conclusion

A. References