1. Overview of Oracle GlassFish Server Troubleshooting
Verify System Requirements and Configuration
Search the Product Documentation
Search the GlassFish Mailing Lists and Forums
What Is Your System Configuration?
To Obtain a Server Thread Dump
Support subscriptions are available and provide a broad range of support and services to help you get the most out of Oracle GlassFish Server. For more information, visit http://www.oracle.com/support/premier/index.html.