Re: Limit user sessions in tomcat

2009-12-15 Thread André Warnier
Chetan Chheda wrote: Thanks Peter for the clarification. My background is that of a UNIX administrator not a web administrator and its showing from my posts.. My problem is long running requests. If the requests take longer than their fancy, the users just close the browser window, open a new o

Re: Limit user sessions in tomcat

2009-12-15 Thread André Warnier
Chetan Chheda wrote: Andre, We have a vast user population thats geographically dispersed, so implementing something thru the system would be the favourable approach.. Can you point me to links on the web that explain the add on modules and their implementation? All, Is there a 3rd par

Re: Limit user sessions in tomcat

2009-12-15 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Chetan, On 12/15/2009 11:03 AM, Chetan Chheda wrote: > We frequently have situations where a user has brought down a tomcat > entirely by himself by running the same transaction multiple times > because the response was not quick enough. Does this us

Re: Limit user sessions in tomcat

2009-12-15 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 André, On 12/15/2009 12:01 PM, André Warnier wrote: > On another level, I don't quite understand yet how this squares with the > fact that most browsers will not establish more than 2 connections with > the same webserver at the same time. Things hav

Re: Limit user sessions in tomcat

2009-12-15 Thread Chetan Chheda
r To: Tomcat Users List Sent: Tue, December 15, 2009 12:42:01 PM Subject: Re: Limit user sessions in tomcat 2009/12/15 Chetan Chheda >    Is there a 3rd party tool available to manage tomcat sessions and kill > them once they go rogue? > > Can I just check two pieces of terminology

Re: Limit user sessions in tomcat

2009-12-15 Thread Peter Crowther
2009/12/15 Chetan Chheda > Is there a 3rd party tool available to manage tomcat sessions and kill > them once they go rogue? > > Can I just check two pieces of terminology? In Tomcat (and many other web servers), a "session" is the notion that a user will make multiple requests to the server

Re: Limit user sessions in tomcat

2009-12-15 Thread Chetan Chheda
, 2009 12:07:15 PM Subject: Re: Limit user sessions in tomcat 2009/12/15 André Warnier > On another level, I don't quite understand yet how this squares with the > fact that most browsers will not establish more than 2 connections with the > same webserver at the same time. 

RE: Limit user sessions in tomcat

2009-12-15 Thread Caldarale, Charles R
> From: André Warnier [mailto:a...@ice-sa.com] > Subject: Re: Limit user sessions in tomcat > > On another level, I don't quite understand yet how this squares with > the fact that most browsers will not establish more than 2 connections > with the same webserver at the s

Re: Limit user sessions in tomcat

2009-12-15 Thread Peter Crowther
2009/12/15 André Warnier > On another level, I don't quite understand yet how this squares with the > fact that most browsers will not establish more than 2 connections with the > same webserver at the same time. It seems a bit difficult to imagine that > one single user can "crash" a Tomcat jus

Re: Limit user sessions in tomcat

2009-12-15 Thread André Warnier
Caldarale, Charles R wrote: From: Chetan Chheda [mailto:chetan_chh...@yahoo.com] Subject: Limit user sessions in tomcat Is there a way through configuation of tomcat and mod_jk to control the number of concurrent transactions/sessions a user can maintain? Don't know about what you might be abl

RE: Limit user sessions in tomcat

2009-12-15 Thread Caldarale, Charles R
> From: Chetan Chheda [mailto:chetan_chh...@yahoo.com] > Subject: Limit user sessions in tomcat > > Is there a way through configuation of tomcat and mod_jk to control > the number of concurrent transactions/sessions a user can maintain? Don't know about what you might be able to configure in htt

RE: Limit user sessions in tomcat

2009-12-15 Thread George Sexton
This is an application level problem. You need to implement your own synchronization/locking system to prevent this from happening. If you're running reports that are taking a while, you might want to consider creating a system that will email the results to the clients rather than making them wai