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From Tim Funk <>
Subject Re: Uniqueness of a sessionId
Date Fri, 08 Jan 2010 13:38:32 GMT
The way things work now by default ... The session cookie is set at the 
path level and is different per context. So you may have multiple 
sessino id cookies set for a given server (but given the path constraint 
on the cookie - you only get one of those cookies (typically))

But (IIRC) you can also configure tomcat to use one session id for all 
contexts. (Comes in handy for portlets)


On 1/8/2010 8:07 AM, Arnab Ghosh wrote:
> Dear Friends,
> I have an doubt.Tomcat is using *org.apache.catalina.session.ManagerBase* to
> generate sessionId. Now I wants to know whether this generated key will be
> unique in all context running under a tomcat service or it will be unique
> under a particular context??
> Thanks,
> Ghosh

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