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Oracle® Application Server Containers for J2EE Services Guide 10g Release 2 (10.1.2) for Windows or UNIX B14012-02 |
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# Preface

Oracle Application Server 10g Release 2 (10.1.2) includes a J2EE environment known as Oracle Application Server Containers for J2EE (OC4J). This book describes the services provided by OC4J.

This preface contains these topics:

- Intended Audience

- Documentation Accessibility

- Structure

- Related Documents

- Conventions

## Intended Audience

This manual is intended for developers familiar with the J2EE architecture who want to understand Oracle J2EE Services.

## Documentation Accessibility

Our goal is to make Oracle products, services, and supporting documentation accessible, with good usability, to the disabled community. To that end, our documentation includes features that make information available to users of assistive technology. This documentation is available in HTML format, and contains markup to facilitate access by the disabled community. Accessibility standards will continue to evolve over time, and Oracle is actively engaged with other market-leading technology vendors to address technical obstacles so that our documentation can be accessible to all of our customers. For more information, visit the Oracle Accessibility Program Web site at

`http://www.oracle.com/accessibility/`

Accessibility of Code Examples in Documentation

Screen readers may not always correctly read the code examples in this document. The conventions for writing code require that closing braces should appear on an otherwise empty line; however, some screen readers may not always read a line of text that consists solely of a bracket or brace.

Accessibility of Links to External Web Sites in Documentation

This documentation may contain links to Web sites of other companies or organizations that Oracle does not own or control. Oracle neither evaluates nor makes any representations regarding the accessibility of these Web sites.

TTY Access to Oracle Support Services

Oracle provides dedicated Text Telephone (TTY) access to Oracle Support Services within the United States of America 24 hours a day, seven days a week. For TTY support, call 800.446.2398.

## Structure

This document contains the following chapters:

Chapter 1 Introduction to OC4J Services

This chapter gives an overview of the service technologies included in OC4J.

Chapter 2 Java Naming and Directory Interface

This chapter covers using the Java Naming and Directory Interface (JNDI) to look up objects.

Chapter 3 Java Message Service (JMS)

This chapter discusses plugging Resource Providers into the Java Message Service (JMS) and the two Oracle JMS (OJMS) providers that Oracle furnishes.

Chapter 4 Data Sources

This chapter discusses data sources, vendor-independent encapsulations of a connection to a database server.

Chapter 5 Oracle Remote Method Invocation

This chapter describes OC4J support for Remote Method Invocation (RMI) over the proprietary Oracle RMI (ORMI) protocol.

Chapter 6 J2EE Interoperability

This chapter describes OC4J support for EJB2.0 interoperation using RMI over the standard Internet Inter-Orb Protocol (IIOP) protocol.

Chapter 7 Java Transaction API

This chapter documents the Oracle implementation of the Java Transaction API (JTA).

Chapter 8 J2EE Connector Architecture (J2CA)

This chapter describes how to use the J2EE Connector Architecture in an OC4J application.

Chapter 9 Java Object Cache

This chapter describes the OC4J Java Object Cache, including its architecture and programming features.

## Related Documents

For more information, see the following additional OC4J documents available from the Oracle Java Platform Group:

- Oracle Application Server Containers for J2EE Users Guide

  This book presents an overview and general information for OC4J; primer chapters for servlets, JSP pages, and EJBs; and general configuration and deployment instructions.

- Oracle Application Server Containers for J2EE Support for JavaServer Pages Developers Guide

  This book provides information for JSP developers who want to run their pages in OC4J. It includes a general overview of JSP standards and programming considerations, as well as discussion of Oracle value-added features and steps for getting started in the OC4J environment.

- Oracle Application Server Containers for J2EE JSP Tag Libraries and Utilities Reference

  This book discusses conceptual information and detailed syntax and usage information for tag libraries, Java Beans, and other OC4J Java utilities.

- Oracle Application Server Containers for J2EE Servlet Developers Guide

  This book includes information for servlet developers regarding use of servlets and the servlet container in OC4J.

- Oracle Application Server Containers for J2EE Enterprise Java Beans Developers Guide

  This book documents the EJB implementation and EJB container in OC4J.

The following documents are available from the Oracle Application Server group:

- Oracle Application Server 10g Administrators Guide

- Oracle Enterprise Manager Administrators Guide

- Oracle HTTP Server Administrators Guide

- Oracle Application Server 10g Performance Guide

- Oracle Application Server 10g Globalization Guide

- Oracle Application Web Cache Administrators Guide

The following are available from the JDeveloper group:

- Oracle JDeveloper online help

- Oracle JDeveloper documentation on the Oracle Technology Network:

      http://www.oracle.com/technology/products/jdev/index.html

The following OTN resources are available for further information about OC4J:

- OTN Web site for OC4J:

      http://www.oracle.com/technology/tech/java/oc4j/index.html

- OTN OC4J discussion forums, accessible through the following address:

      http://otn.oracle.com/forums/forum.jsp?id=486963

Printed documentation is available for sale in the Oracle store at:

    http://oraclestore.oracle.com

To download free release notes, installation documentation, white papers, or other collateral, visit the Oracle Technology Network (OTN). You must register online before using OTN; registration is free of charge and can be done at:

    http://otn.oracle.com/membership/

If you already have a user name and password for OTN, then you can go directly to the documentation section of the OTN Web site at:

    http://www.oracle.com/technology/documentation/index.html

## Conventions

The following conventions are also used in this manual:

Convention | Meaning
--- | ---
. . . | Horizontal ellipsis points in statements or commands mean that parts of the statement or command not directly related to the example have been omitted
boldface text | Boldface type in text indicates a term defined in the text, the glossary, or in both locations.
Italics | Italic typeface indicates book titles or emphasis, or terms that are defined in the text.
`Monospace (fixed-width) font` | Monospace typeface within text indicates items such as executables, file names, directory names, Java class names, Java method names, variable names, other programmatic elements (such as JSP tags or attributes, or XML elements or attributes), or database SQL commands or elements (such as schema names, table names, or column names).
| Italic monospace font represents placeholders or variables.
< > | Angle brackets enclose user-supplied names.
[] | Brackets enclose optional clauses from which you can choose one or none.
| | A vertical bar represents a choice of two or more options. Enter one of the options. Do not enter the vertical bar.