Contents

Title and Copyright Information

Send Us Your Comments

Preface

1 OC4J Overview

Introduction to OC4J

JDK 1.4 Considerations: Cannot Invoke Classes Not in Packages

Navigating the OC4J Documentation Set

OC4J Installation

Using OC4J in an Enterprise or Standalone Environment

Managing Multiple OC4J Instances in an Enterprise Environment

Managing a Single OC4J Instance

OC4J Documentation Set Assumptions

OC4J Communication

HTTP Communication

Requirements

2 Configuration and Deployment

OC4J Home Page Overview

Applications Page

Administration Page

Starting and Stopping OC4J

Testing the Default Configuration

Creating the Development Directory

Configuring the FAQ Application Demo

Environment Setup for FAQ Demo

OC4J System Configuration for FAQ Demo

Deploy the FAQ Demo

Deployment Details Explained

Deploying Applications

Basic Deployment

Recovering From Deployment Errors

Undeploying Web Applications

3 Advanced Configuration,
Development, and Deployment

Configuring OC4J Using Oracle Enterprise Manager

OC4J Instance Level Configuration

Application Level Configuration

Overview of OC4J and J2EE XML Files

XML Configuration File Overview

XML File Interrelationships

What Happens When You Deploy?

OC4J Tasks During Deployment

Configuration Verification of J2EE Applications

Sharing Libraries

Understanding and Configuring OC4J Listeners

HTTP Requests

RMI Requests

Configuring Oracle HTTP Server With Another Web Context

Building and Deploying Within a Directory

Developing Startup and Shutdown Classes

OC4J Startup Classes

OC4J Shutdown Classes

Setting Performance Options

Performance Command-Line Options

Thread Pool Settings

Statement Caching

Task Manager Granularity

Enabling OC4J Logging

Viewing OC4J System and Application Log Messages

Redirecting Standard Out and Standard Error

OC4J Debugging

Servlet Debugging Example

Remote Debugging Using Oracle JDeveloper

4 Data Sources Primer

Introduction

Definition of Data Sources

Retrieving a Connection From a Data Source

5 Servlet Primer

A Brief Overview of Servlet Technology

What Is a Servlet?

Servlet Portability

The Servlet Container

Request and Response Objects

Learning More About Servlets

Running a Simple Servlet

Create the Hello World Servlet

Deploy the Hello World Servlet

Run the Hello World Servlet

Automatic Compilation

Running a Data-Access Servlet

Create the HTML Form

Create the GetEmpInfo Servlet

Deploy GetEmpInfo and the HTML Page

Run GetEmpInfo

Creating and Deploying the Servlet Primer Samples WAR File

WAR File Structure

Deploy the WAR File

6 JSP Primer

A Brief Overview of JavaServer Pages Technology

What Is JavaServer Pages Technology?

JSP Translation and Runtime Flow

Key JSP Advantages

Overview of Oracle Value-Added Features for JSP Pages

Running a Simple JSP Page

Create and Deploy welcomeuser.jsp

Run welcomeuser.jsp

Running a JSP Page That Invokes a JavaBean

Create the JSP: usebean.jsp

Create the JavaBean: NameBean.java

Deploy usebean.jsp and Namebean.java

Run usebean.jsp

Running a JSP Page That Uses Custom Tags

Create the JSP Page: sqltagquery.jsp

Files for Tag Library Support

Deploy sqltagquery.jsp

Run sqltagquery.jsp

Creating and Deploying the JSP Primer Samples EAR File

EAR and WAR File Structure

Deploy the EAR File

7 EJB Primer

Develop EJBs

Create the Development Directory

Implement the EJB

Access the EJB

Create the Deployment Descriptor

Archive the EJB Application

Prepare the EJB Application for Assembly

Modify the Application.xml File

Create the EAR File

Deploy the Enterprise Application to OC4J

8 OC4J Clustering

The OC4J Instance in a Cluster

The OC4J Process in a Cluster

Islands

J2EE Applications Involved in a Cluster

Instance-Specific Parameters

OC4J Clustering Examples

Software Failure

Hardware Failure

State Replication

OC4J Cluster Configuration

OC4J Instance Configuration

Configuring OC4J Instance-Specific Parameters

A Additional Information

Description of XML File Contents

OC4J Configuration XML Files

J2EE Deployment XML Files

Elements in the server.xml File

Configure OC4J

Reference Other Configuration Files

Elements in the application.xml File

Elements in the orion-application.xml File

Elements in the application-client.xml File

Elements in the orion-application-client.xml File

Configuration and Deployment Examples

OC4J Command-Line Options and System Properties

B Third Party Licenses

Third-Party Licenses

Apache HTTP Server

Apache JServ

Index