> -----Original Message-----
> From: Duan, Nick [mailto:[EMAIL PROTECTED] 
> Sent: Monday, January 09, 2006 11:41 AM
> To: Tomcat Users List
> Subject: RE: Single Thread is deprecated?
> 
> HttpSession should be implemented (it's just an interface).  In fact,
> the session attributes were implemented as a Hashtable in 
> tomcat, not a
> Hashmap (just double checked the latest 5.5.15 src of tomcat).  As we
> all know, Hashtable already has thread sync built in.  So that's why
> additional synchronization on HttpSession in tomcat is unnecessary.
> 

I believe this is a fairly recent change. There was a major thread about
this in November. In short, it was a HashMap and it got changed.

George Sexton
MH Software, Inc.
http://www.mhsoftware.com/
Voice: 303 438 9585
  


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