Contents

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Preface

1 Introduction to Oracle9i Application Server

What is Oracle9i Application Server?

Oracle Application Server Component Migration Options

Enterprise Services Migration

Overview

Scalability

Availability and Fault Tolerance

Load Balancing

Administration

Security

Third-Party Web Server Support

2 Migrating JWeb & JServlet Applications to OC4J

JWeb and OC4J Differences

Architecture

Life cycle

Threading

Sessions

Dynamic Content Generation in HTML Pages

Migration Strategies

Comparison of Compliance Standards

Key JWeb & Servlet Methods

Migration Approach

Code Modifications for JWeb Applications

Session Control

Application Threads

Logging

3 Migrating Oracle Application Server Cartridges

Cartridge Types and Corresponding Oracle9iAS Modules

PL/SQL Migration

File Upload and Download

Uploaded File Document Format

Using the oas2ias Tool

Custom Authentication

Flexible Parameter Passing

Positional Parameter Passing

Executing SQL Files

Perl Migration

Perl Applications under Oracle Application Server

Migrating Perl Cartridge Scripts

Variations from Oracle Application Server Perl Cartridge

LiveHTML Migration

SSI

Scripts

CWeb Migration

Using FastCGI

Creating a Custom Oracle9iAS Module

4 Migrating EJB, ECO/Java and JCORBA Applications

Migrating EJBs to OC4J

Deployment Descriptors

Client Code

Logging (Server Code)

Migrating ECO/Java to OC4J

Remote Interface

Home Interface

Implementation Class

Migrating JCORBA to OC4J

Remote Interface

Home Interface

Object Implementation

Make Parameters Serializable

Index