On Mon, 6 May 2002, Gabriel Maffia wrote: > I thought that Sticky Sessions were a mod_jk feature...not a tomcat feature. > Besides, Its weird that a newer version of Tomcat doesnt handle sticky > sessions....
There is one small piece that tomcat must do ( when it generates new sessions ). It has been fixed in 4.0.2. Costin > > I´m doing loadbalancing now with an application called Pen that works pretty > well...though I would like to find out why is Tomcat (or the connector) > behaving this way. > > Thanks a lot > > Gabriel > > > ----- Original Message ----- > From: "Vinay Singh" <[EMAIL PROTECTED]> > To: "'Tomcat Users List'" <[EMAIL PROTECTED]> > Sent: Friday, May 03, 2002 3:41 AM > Subject: RE: Loadbalancing....please Help! > > > I do not think sticky session is avalable with TC 4.0.1 > > I am using TC3.2.3 to be able to do sticky session LB. > > Vinay > > -----Original Message----- > From: Gabriel Maffia [mailto:[EMAIL PROTECTED]] > Sent: Sunday, May 05, 2002 11:44 PM > To: 'Tomcat Users List' > Subject: Loadbalancing....please Help! > > > Hello all: > > I´ve been struggling with this issue for quite a long time now, and I > can´t > seem to find a solution. > > I´m actually using this configuration: > > Apache 1.3.23 > Tomcat 4.0.1 > Jboss 4.2.3 > > > I´ve used mod_jk and the loadbalancer connector to connect my web server > with two other tomcat servers. Both of the tomcat servers connect to the > Jboss server. > > The problem is that sessions are not mantained. Apache keeps sending me > randomly to one tomcat server or the other instead of choosing one. That > makes me lose my session id and get errors in my application. > > > Regarding to the tomcat servers configuration, I have my jvmroute > statement > set right (I think): > > in server 1: > > <Engine jvmRoute="tomcat1" name="Standalone" > defaultHost="foo.bar.com" > debug="1"> > > in server 2: > > > <Engine jvmRoute="tomcat2" name="Standalone" > defaulttHost="foo2.bar.com" > debug="1"> > > > > the workers.properties file has this configuration: > > # list the workers by name > > worker.list=tomcat1, tomcat2, loadbalancer > > # ------------------------ > # First tomcat server > # ------------------------ > worker.tomcat1.port=8009 > worker.tomcat1.host=foo.bar.com > worker.tomcat1.type=ajp13# > > # Specifies the load balance factor when used with > # a load balancing worker. > # Note: > # ----> lbfactor must be > 0 > # ----> Low lbfactor means less work done by the worker. > worker.tomcat1.lbfactor=50 > > # ------------------------ > # Second tomcat server > # ------------------------ > worker.tomcat2.port=8009 > worker.tomcat2.host=foo2.bar.com > worker.tomcat2.type=ajp13 > > # Specify the size of the open connection cache. > #worker.tomcat2.cachesize > > # > # Specifies the load balance factor when used with > # a load balancing worker. > # Note: > # ----> lbfactor must be > 0 > # ----> Low lbfactor means less work done by the worker. > worker.tomcat2.lbfactor=50 > > # ------------------------ > # Load Balancer worker > # ------------------------ > > # > # The loadbalancer (type lb) worker performs weighted round-robin > # load balancing with sticky sessions. > # Note: > # ----> If a worker dies, the load balancer will check its state > # once in a while. Until then all work is redirected to peer > # worker. > worker.loadbalancer.type=lb > worker.loadbalancer.balanced_workers=tomcat1, tomcat2 > > # > # END workers.properties > # > > Maybe I set the lbfactor wrong? Wich numbers should I use? > > Thanks a lot for all your help so far. > > > Gabriel > > PS: Here is a little graph of the distribution of the servers > > > ************************* > *********************** > *Apache web server * * Tomcat2 server * > *Tomcat1 server *----------------------------* Jboss 2.4.3 > * > *foo.bar.com * * foo2.bar.com > * > ************************* > *********************** > > > > -- > To unsubscribe: <mailto:[EMAIL PROTECTED]> > For additional commands: <mailto:[EMAIL PROTECTED]> > Troubles with the list: <mailto:[EMAIL PROTECTED]> > > -- To unsubscribe: <mailto:[EMAIL PROTECTED]> For additional commands: <mailto:[EMAIL PROTECTED]> Troubles with the list: <mailto:[EMAIL PROTECTED]>
