WebLogic Server Hangs When Standby Thread Reaches 256 (Doc ID 2260959.1)

Last updated on FEBRUARY 12, 2025

Applies to:

Oracle WebLogic Server - Version 10.3.6 to 12.1.1.0
Information in this document applies to any platform.

WebLogic Server in a cluster becomes unresponsive, while all the threads went into standby state and Execute thread idle count became 0.

Almost all (256 out of 261) of the fatal threads look like this (ie. they are in STANDBY state):

	To view full details, sign in with your My Oracle Support account.
	Don't have a My Oracle Support account? Click to get started!

In this Document

Symptoms

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.