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WebLogic Server Support Pattern: Generic Server Hang (Doc ID 1264286.1)

Last updated on JANUARY 31, 2023

Applies to:

Middleware > Application Servers > Weblogic Server
Information in this document applies to any platform.


Problem Description

A server hang is suspected when:

  • The server does not respond to new requests.
  • Requests time out.
  • Requests take longer and longer to process (may be on the way to a hang).
  • The server is no more reported as running in the Administration Console but its state changed to unknown or failed.

Problem Troubleshooting

Please note that not all of the following items would need to be done. Some issues can be solved by only following a few of the items.

Troubleshooting Steps

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In this Document
 Problem Description
 Problem Troubleshooting
Troubleshooting Steps
 Why does the problem occur?
 Potential Causes of Server Hang
 Basic Steps
 Known WebLogic Issues
 Collecting Thread Dumps
 Analysis of a Thread Dump
 What to Look at in the Thread Dump
 Next Steps

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