Contents

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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

2 Migrating JWeb Applications to Apache JServ

What is Apache JServ?

Migrating Oracle Application Server JServlets to Apache JServ Servlets

JWeb and Apache JServ 1.1 Differences

Architecture

Life cycle

Threading

Sessions

Dynamic Content Generation in HTML Pages

Code Modifications for JWeb Applications

Session Control

Application Threads

Logging

3 Migrating Oracle Application Server Cartridges

Cartridge Types and Corresponding Apache Modules

PL/SQL Migration

File Upload/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

4 Migrating EJB, ECO/Java and JCORBA Applications

Migrating EJBs

Deployment Descriptors

Client Code

Logging (Server Code)

Migrating ECO/Java

Remote Interface

Home Interface

Implementation Class

Migrating JCORBA to EJB

Remote Interface

Home Interface

Object Implementation

Make Parameters Serializable

Index