I'd tested it today as Johny suggested and it works on one tomcat instance!
My real webapplication though requires that two tomcat instances are
involved which needs session stickyness which is not used in my config:
Proxy balancer://myCluster>
BalancerMember ajp://localhost:8009
BalancerMember ajp://localhost:7009
</Proxy>
<Location /examples/>
ProxyPass balancer://mycluster/examples/
</Location>
Can someone tell me how to achieve sticky sessions with mod_proxy and two
tomcat instances?
/Axel
-----Ursprüngliche Nachricht-----
Von: Johnny Kewl [mailto:[EMAIL PROTECTED]
Gesendet: Sonntag, 6. Juli 2008 19:49
An: Tomcat Users List
Betreff: Re: Bean in session scope
----- Original Message -----
From: "Axel Leucht" <[EMAIL PROTECTED]>
To: "Tomcat Users List" <users@tomcat.apache.org>
Sent: Sunday, July 06, 2008 6:05 PM
Subject: Bean in session scope
> I'm currently operating an Apache webserver 2.2.4 in front of an Apache
> tomcat 6.0.16. Both are working together via mod_proxy.
>
> I'm trying to execute the NumberGuess sample provided with tomcat via the
> webserver.
>
> I can access the webapp successfully. The jsp page declares a bean in
> session scope <jsp:useBean id="numguess" class="num.NumberGuessBean"
> scope="session"/> and doesn't work as any request creates a new Java-Bean!
>
> I can confirm that the constructor is run with any request, hence setting
> numGuesses to 0 and a new answer to find.
>
> When I change to scope="application", it works and of course everything
> works also when executed directly when accessing via tomcat.
>
> Can someone tell me what is wrong in my configuration?
>
> Here are the relevant lines in my httpd.conf:
> <Proxy balancer://mycluster>
> BalancerMember ajp://192.168.0.101:8009 route=checkov
> keepalive=On retry=30 ttl=60
> </Proxy>
> <Location /foo>
> ProxyPass balancer://mycluster/examples/jsp/
> stickysession=JSESSIONID timeout=5
> </Location>
I'm a JK kinda guy... the reason is that JK is made by TC guys, mod_proxy is
Apaches way, but hey apche is pretty hot... so here a huge guess... you got
one machine, you dont need all the hassle of stickyness...
Try this...
<Location /examples/>
ProxyPass http://localhost:8080/examples/
ProxyPassReverse http://localhost:8080/examples/
</Location>
and try this for AJP...
<Location /examples/>
ProxyPass ajp://localhost:8009/examples/
</Location>
cookies must get thru...
then try
<Proxy balancer://myCluster>
BalancerMember ajp://localhost:8009
</Proxy>
<Location /examples/>
ProxyPass balancer://myCluster/examples/
</Location>
On a single machine you dont need to bother with sticky sessions....
If no work... something else is wrong, like maybe cookies off in browser....
... a guess ;)
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