Generate Thread Dumps in WebLogic 12C using WLST & Admin Console

Thread Dump is a snapshot of the state of all Threads That are part of the process.

Thread dumps are one of the very important JVM reports , which we can use to analyse server/JVM hang situations and the root cause of it.

Pre - requisites for this experiment:

• WebLogic installed
• Domain Configuration
• AdminServer,Managed Servers Running state

There are 2 ways to Generate Thread Dumps in WebLogic:

1) From WebLogic Admin Console

2) Using WLST commands

1) ThreadDump from WebLogic Admin Console:

• Open Servers tab in Admin Console
• Select Admin/Managed Servers
• Select Monitoring -> Threads tab
• Then click on Thread Dump ->Dump Thread Stacks

Generating Thread Dumps using Admin Console

2) Using WLST commands:

• Set the CLASS PATH by using Environment variables("java weblogic.WLST") to connect WLST
• Then it will connect to wls:/offline> 
• connect("username","password","url:port")
• Example:  connect("weblogic","welcome1","192.168.136.128:7001")
• threadDump()

WLST:

Thread Dump using WLST

Output :  Thread Dump for AdminServer

Thread Dump for WebLogic AdminServer