George Sexton wrote: >>-----Original Message----- >>From: Duan, Nick [mailto:[EMAIL PROTECTED] >>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. SVN: StandardSession.java in Tomcat 5.0.x and 4.1.x use HashMap, 5.5.x HashTable. >> > > > 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. >
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