Preface

The Sun Java System Application Server Platform Edition 9.0 2006Q2 Troubleshooting Guidedescribes common problems encountered when using the Sun Java System Application Server Server 9.0 Enterprise Editionand Platform Edition, and how to solve them.

Who Should Use This Book

The Sun Java System Application Server Platform Edition 9.0 2006Q2 Troubleshooting Guide is intended for developers and administrators who use the Sun Java System Application Server to assemble and deploy distributed and Web-based applications.

Java APIs as defined in the JavaJava^TM Servlet^TM, JavaServer Pages^TM (JSP^TM), Enterprise JavaBeans^TM (EJB^TM), and Java^TM Database Connectivity (JDBC^TM) specifications
The SQL structured database query languages
Relational database concepts

Before You Read This Book

[ If the reader must be familiar with other books before reading this book, list those books here. This section is not intended for recommended reading. You include that information later in the section titled “Related Books.” ]

[ If the reader must know how to do something or must have completed some task before using this book, provide that information here. ]

Application Server can be purchased by itself or as a component of Sun Java^TM Enterprise System (Java ES), a software infrastructure that supports enterprise applications distributed across a network or Internet environment. If you purchased Application Server as a component of Java ES, you should be familiar with the system documentation at http://docs.sun.com/coll/1286.1.

How This Book Is Organized

This book describes workarounds for some problems you may encounter when configuring, using, or deploying applications with the Sun Java System Application Server 9.0 Enterprise Edition or Platform Edition software. The following table summarizes the content of this book.

Chapter 1, Overview provides a general overview of the troubleshooting process.
Chapter 2, Common Problems covers the most common problems you may encounter when using the product.
Chapter 3, Security Problems covers problems related to security settings.
Chapter 4, Frequently Asked Questions covers commonly asked questions about Application Server software.

Application Server Documentation Set

The Application Server documentation set describes deployment planning and system installation. The URL for Application Server documentation is http://docs.sun.com/coll/unknown. 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.
Deployment Planning Guide	Evaluating your system needs and enterprise to ensure that you deploy the Application Server in a manner that best suits your site. General issues and concerns that you must be aware of when deploying the server are also discussed.
Developer’s Guide	Creating and implementing Java^TM 2 Platform, Enterprise Edition (J2EE^TM platform) applications intended to run on the Application Server that follow the open Java standards model for J2EE components and APIs. Includes general information about developer tools, security, assembly, deployment, debugging, and creating lifecycle modules.
J2EE 1.4 Tutorial	Using J2EE 1.4 platform technologies and APIs to develop J2EE applications.
Administration Guide	Configuring, managing, and deploying Application Server subsystems and components from the Administration Console.
High Availability Administration Guide	Post-installation configuration and administration instructions for the high-availability database.
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 and 7. This guide also describes differences between adjacent product releases and configuration options that can result in incompatibility with the product specifications.
Performance Tuning Guide	Tuning the Application Server to improve performance.
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

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 Java ES and its components is http://docs.sun.com/prod/entsys.05q4.

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 installations on the Solaris^TM platform: `/opt/SUNWappserver/appserver` Sun Java Enterprise System 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.	Sun Java Enterprise System installations on the Solaris platform: `/var/opt/SUNWappserver/domains/` Sun Java Enterprise System 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`
`instance-dir`	Represents the directory for a server instance.	`domain-dir/instance-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^SM 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.

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.

Sun Welcomes Your Comments

Sun is interested in improving its documentation and welcomes your comments and suggestions. To share your comments, go to http://docs.sun.com and click Send Comments. In the online form, provide the full document title and part number. The part number is a 7-digit or 9-digit number that can be found on the book's title page or in the document's URL. For example, the part number of this book is 819-3664.