BTW, I see some similarities with the following.

https://jira.springframework.org/browse/SWS-533

Srikanth

On 12/10/10 3:41 PM, Caldarale, Charles R wrote:
>> From: Srikanth Konjarla [mailto:srikanth.konja...@gmail.com] 
>> Subject: Re: 6.0.26 java.lang.Thread.State: WAITING (on object monitor)
> 
>> as part of the thread local cleanup process at the time of undeploy,
>> tomcat removes few threadLocals but misses the threadLocals for the
>> thread in question. I am wondering about the tomcat thread still being
>> in "WAIT" mode and been cleaned up.
> 
> The WAIT mode is normal - the thread is sitting in the pool, waiting for a 
> request to show up.  I believe the ThreadLocal objects are discarded by 
> letting such infected threads exit and creating new ones.  That's an area 
> still undergoing refinement, so you might want to try moving up to 6.0.29 and 
> see if it makes any difference.  Or try sending in enough concurrent requests 
> to get all the threads busy and see if the references disappear after that.
> 
>  - Chuck
> 
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