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WebCenter Sites unresponsive to login or for REST requests. Many threads blocked "waiting to lock (a com.fatwire.wem.sso.cas.cache.MultiTicketStorage)" (Doc ID 2344133.1)

Last updated on MAY 04, 2021

Applies to:

Oracle WebCenter Sites - Version 11.1.1.8.0 and later
Information in this document applies to any platform.

Symptoms

WebCenter Sites unresponsive to login or for REST requests. Many threads blocked "waiting to lock (a com.fatwire.wem.sso.cas.cache.MultiTicketStorage)"

After some time, WebCenter Sites becomes unresponsive.

Thread dumps indicate that many threads are blocking on CAS ticket processing:

 

Cause

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In this Document
Symptoms
Cause
Solution
References


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