Preface

This Sun Java System Application Server Platform Edition 9 Upgrade and Migration Guide describes how to upgrade and migrate Java^TM applications from the Sun Java System Application Server 8.x to the Sun Java SystemApplication Server 9 product line. This guide also describes how to migrate Java applications from Sun ONE Application Server 6.x/7 (also known as iPlanet Application Server), Java 2 Enterprise Edition (J2EE^TM) Reference Implementation (RI) 1.3 Application Server, Sun Java System Application Server 8.x, WebLogic Application Server, WebSphere Application Server, JBoss, and so on to Application Server 9.

This guide also describes differences between adjacent product releases and configuration options that can result in incompatibility with the product specifications. Specifically, this Sun Java System Application Server Platform Edition 9 Upgrade and Migration Guide details Sun Java System Application Server 9 incompatibility with Sun Java System Application Server 8 2004Q2, Sun Java System Application Server 7 2004Q2 and incompatibilities with the J2EE 1.4 specification.

Who Should Use This Book

The intended audience for this guide is the system administrator, network administrator, application server administrator, and web developer who has an interest in migration issues.

This guide assumes you are familiar with the following topics:

• HTML

• Application Servers

• Client/Server programming model

• Internet and World Wide Web

• Windows 2000 and/or Solaris^TM operating systems

• Java programming

• Java APIs as defined in specifications for EJBs, JavaServer Pages (JSP)

• Java Database Connectivity (JDBC)

• Structured database query languages such as SQL

• Relational database concepts

• Software development processes, including debugging and source code control

How This Book Is Organized

This guide is organized as follows:

Chapter 1, Application Server Compatibility Issues , discusses the incompatibilities between Application Server 9 and Application Server6.x/7.x/8.

Chapter 2, Java EE 5 Compatibility Issues, discusses the Java incompatibilities between Application Server 9 and Application Server.

Chapter 3, Upgrading an Application Server Installationdescribes how to upgrade an earlier installation of Application Server to Application Server 9.

Chapter 4, Understanding Migrationdiscusses the need for migrating applications.

Chapter 5, Migrating EJBdescribes how to migrate EJB 1.1 to EJB 2.0/EJB3.0 specification.

Chapter 6, Migrating from Other Application Servers to Sun Java System Application Server 9, describes the considerations and strategies to migrate applications from other application servers to Sun Java System Application Server 9 .

Chapter 7, Migrating a Sample Application - an Overview describes the migration of the main components of a typical Java EE application from Sun ONE Application Server 6.x to Sun Java System Application Server 9.

Chapter 8, Migration Tools and Resources lists the tools and resources that aid in automatic migration of applications.

Application Server Documentation Set

The Application Server documentation set describes deployment planning and system installation. The URL for stand-alone Application Server documentation is http://docs.sun.com/app/docs/coll/1310.4. For an introduction to Application Server, refer to the books in the order in which they are listed in the following table.

Table P–1 Books in the Application Server Documentation Set

Book Title	Description
Release Notes	Late-breaking information about the software and the documentation. Includes a comprehensive, table-based summary of the supported hardware, operating system, JDK, and JDBC/RDBMS.
Quick Start Guide	How to get started with the Application Server product.
Installation Guide	Installing the software and its components.
Developer’s Guide	Creating and implementing Java Enterprise Edition 5 applications intended to run on the Application Server that follow the open Java standards model for Java EE components and APIs. Includes information about developer tools, security, debugging, deployment, and creating lifecycle modules.
Java EE 5 Tutorial	Using Java EE 5 platform technologies and APIs to develop Java EE applications.
Administration Guide	Configuring, managing, and deploying Application Server subsystems and components from the Administration Console.
Administration Reference	Editing the Application Server configuration file, domain.xml.
Upgrade and Migration Guide	Migrating your applications to the new Application Server programming model, specifically from Application Server 6.x, 7.x, and 8.x. This guide also describes differences between adjacent product releases and configuration options that can result in incompatibility with the product specifications.
Troubleshooting Guide	Solving Application Server problems.
Error Message Reference	Solving Application Server error messages.
Reference Manual	Utility commands available with the Application Server; written in man page style. Includes the asadmin command line interface.

Related Books

[ Use this section to link to related or recommended documentation sets and third-party books. ]

For other Sun Java System server documentation, go to the following:

• Message Queue documentation

• Directory Server documentation

• Web Server documentation

The URL for all documentation about Sun Java Enterprise System (Java ES) and its components is http://docs.sun.com/prod/entsys.06q3.

Default Paths and File Names

The following table describes the default paths and file names that are used in this book.

Table P–2 Default Paths and File Names

Placeholder	Description	Default Value
install-dir	Represents the base installation directory for Application Server.	Sun Java Enterprise System (Java ES) installations on the Solaris platform:  /opt/SUNWappserver/appserver Java ES installations on the Linux platform:  /opt/sun/appserver/ Other Solaris and Linux installations, non-root user:  user’s home directory/SUNWappserver Other Solaris and Linux installations, root user:  /opt/SUNWappserver Windows, all installations:  SystemDrive:\Sun\AppServer
domain-root-dir	Represents the directory containing all domains.	Java ES installations on the Solaris platform:  /var/opt/SUNWappserver/domains/ Java ES installations on the Linux platform:  /var/opt/sun/appserver/domains/ All other installations:  install-dir/domains/
domain-dir	Represents the directory for a domain.  In configuration files, you might see domain-dir represented as follows: ${com.sun.aas.instanceRoot}	domain-root-dir/domain-dir

Typographic Conventions

The following table describes the typographic changes that are used in this book.

Table P–3 Typographic Conventions

Typeface	Meaning	Example
AaBbCc123	The names of commands, files, and directories, and onscreen computer output	Edit your .login file. Use ls -a to list all files. machine_name% you have mail.
AaBbCc123	What you type, contrasted with onscreen computer output	machine_name% su Password:
AaBbCc123	A placeholder to be replaced with a real name or value	The command to remove a file is rm filename.
AaBbCc123	Book titles, new terms, and terms to be emphasized (note that some emphasized items appear bold online)	Read Chapter 6 in the User's Guide. A cache is a copy that is stored locally. Do not save the file.

Symbol Conventions

The following table explains symbols that might be used in this book.

Table P–4 Symbol Conventions

Symbol	Description	Example	Meaning
[ ]	Contains optional arguments and command options.	ls [-l]	The -l option is not required.
{ | }	Contains a set of choices for a required command option.	-d {y|n}	The -d option requires that you use either the y argument or the n argument.
${ }	Indicates a variable reference.	${com.sun.javaRoot}	References the value of the com.sun.javaRoot variable.
-	Joins simultaneous multiple keystrokes.	Control-A	Press the Control key while you press the A key.
+	Joins consecutive multiple keystrokes.	Ctrl+A+N	Press the Control key, release it, and then press the subsequent keys.
->	Indicates menu item selection in a graphical user interface.	File -> New -> Templates	From the File menu, choose New. From the New submenu, choose Templates.

Accessing Sun Resources Online

The docs.sun.com web site enables you to access Sun technical documentation online. You can browse the docs.sun.com archive or search for a specific book title or subject. Books are available as online files in PDF and HTML formats. Both formats are readable by assistive technologies for users with disabilities.

To access the following Sun resources, go to http://www.sun.com:

• Downloads of Sun products

• Services and solutions

• Support (including patches and updates)

• Training

• Research

• Communities (for example, Sun Developer Network)

Third-Party Web Site References

Third-party URLs are referenced in this document and provide additional, related information.

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Note –

Sun is not responsible for the availability of third-party web sites mentioned in this document. Sun does not endorse and is not responsible or liable for any content, advertising, products, or other materials that are available on or through such sites or resources. Sun will not be responsible or liable for any actual or alleged damage or loss caused or alleged to be caused by or in connection with use of or reliance on any such content, goods, or services that are available on or through such sites or resources.

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