Re6: [users@httpd] stickysession at mod_proxy_balancer

[dom <ap...@friibii.ch>]

hi all,

thanks, but have allready the newest one.. all patches allready included.. :-(

it looks like he never checks the cookie for route! (there should be a few
entrys into the log) no idear anymore..

[debug] mod_proxy_balancer.c(41): proxy: BALANCER: canonicalising URL
//test/site
[debug] mod_proxy_balancer.c(438): proxy: BALANCER (balancer://prod) worker
(http://192.168.1.1:80) rewritten to ...


nice weekend
dom




Quoting Oliver.Schaudt@unilog.de:

> hi dom,
>
> seems strange.
>
> Can it be any of the following issues from the bugzilla of apache
> url encoding cookie
> http://issues.apache.org/bugzilla/show_bug.cgi?id=34844
>
> ProxyPassReverse doesn't change cookie paths
> http://issues.apache.org/bugzilla/show_bug.cgi?id=10722
>
> or this on which was changed in mod_proxy_balancer.c around 14.12
> http://svn.apache.org/viewcvs.cgi/httpd/httpd/branches/2.2.x/modules/proxy/mod_proxy_balancer.c?rev=356764&r1=332309&r2=356764&diff_format=h
> this i have in my actual running apache.
>
> bye
>
> Oliver
>
> ________________________________
>
> Von: dom [mailto:apache@friibii.ch]
> Gesendet: Mi 18.01.2006 17:44
> An: users@httpd.apache.org
> Betreff: Re4: [users@httpd] stickysession at mod_proxy_balancer
>
>
>
> dear oliver,
>
> hmm.. that was i guessd as well at the beginning, so i added the cookie
> [%{sessionkey}C] into the apache-log-file, and it looks exactely like it have
> to [12345678.A_]! :-(
>
> strange is that when i access the balancing module (the summary where all the
> members are shown, etc..) on stickysession is no entry, the route is shown..
> when i manually add sessionkey to 'stickysession' it's shown but same
> funtionality..
>
> i'm going stupid soon.. ;-)
>
> thanks
> dom
>
>> Hi dom,
>>
>> so than it seems that the definitions which you had in your apache
>> configuration don't match your session cookie
>>
>> Can you use "tamper data"
>> https://addons.mozilla.org/extensions/moreinfo.php?id=966&application=firefox
>> <https://addons.mozilla.org/extensions/moreinfo.php?id=966&application=firefox>
>> or iehttpheaders to see whar you have in your headers sent by the
>> server when he sends you the cookie [the line sith "set-cookie"] .
>> Upon this set-cookie your Browser should send back every time a
>> headerline beginning with "cookie".
>> If this is the case than the cookie should look like
>> 12345678.A_ oder 12345678.B_ . Otherwise you have to change your
>> configuration
>>
>> If you don't want to run in a timeout or if you have a firewall
>> inbetween the apache and the backend web server than you can add
>> "keepalive=on" behind the route.
>>
>> bye
>>
>> Oliver
>>
>> ________________________________
>>
>> Von: dom [mailto:apache@friibii.ch]
>> Gesendet: Mi 18.01.2006 12:27
>> An: users@httpd.apache.org
>> Cc: Schaudt, Oliver
>> Betreff: Re: [users@httpd] stickysession at mod_proxy_balancer
>>
>>
>>
>> Hi Oliver,
>>
>> 1. no, i don't.. thats the strange thing.. just see in the accesslog:
>> [debug] mod_proxy_balancer.c(41): proxy: BALANCER: canonicalising URL
>> //produrl/site
>> [debug] mod_proxy_balancer.c(803): proxy: Entering byrequests for BALANCER
>> (balancer://prod)
>> [debug] mod_proxy_balancer.c(396): proxy: BALANCER (balancer://prod) worker
>> (http://192.168.1.1:8001 <http://192.168.1.1:8001/>  
>> <http://192.168.1.1:8001/> ) rewritten to
>> http://192.168.1.1:8001/site
>> [debug] mod_proxy.c(736): Running scheme balancer handler (attempt 0)
>>
>> 2. don't really understand your question. my 'backendservers' produce
>> a cookie
>> with teh attribute 'sessionkey' and use this for the own
>> sessiondeclaration, so
>> i thought to use that one. i (the webserver) just added ".A_" at the
>> end of the
>> sessionkey for identify the 'route' to apache, but i guess thats not 
>> the only
>> thing i need to do? i can produce every cookie-attribute you like, thats not
>> the problem.. whats jvmroute? i'm not using tomcat, we use a self written
>> webserver..
>>
>> i thought it should be easy: a have allready a sessionkey, so thats
>> nice. then
>> the backendwebserver now which server he is, so he set another 
>> attribute, and
>> add this to the sessionkey (sessionkey.route) and this route is
>> definied on the
>> BalanceMember.. but i guess i missunderstand the topc.. :-(
>>
>> bye
>> dom
>>
>> Quoting Oliver.Schaudt@unilog.de:
>>
>>> Hi dom,
>>>
>>> 1. Do you see some lines like "proxy: BALANCER: Found value
>>> 12721798.A_ for stickysession sessionkey" in the "error_log" ?
>>> 2.Do you have set your session-identifier nameinside your servers
>>> behind Apache to "sessionkey" and the route alias jvmroute to your
>>> "A_" and "B_" ? If not than it won't work.
>>>
>>> Bye
>>>
>>> Oliver
>>>
>>> ________________________________
>>>
>>> Von: dom [mailto:apache@friibii.ch]
>>> Gesendet: Di 17.01.2006 16:23
>>> An: users@httpd.apache.org
>>> Betreff: [users@httpd] stickysession at mod_proxy_balancer
>>>
>>>
>>>
>>> hi,
>>>
>>> i'm using apache 2.2 because of the balancing module, but i can't
>>> figure out why
>>> the 'stickyness' doesn't work.
>>>
>>>
>>> -snip-
>>> LogLevel debug
>>> ProxyPass / balancer://prod/ stickysession=sessionkey nofailover=On
>>>  <Proxy balancer://prod>
>>>   BalancerMember http://192.168.1.1:8001 <http://192.168.1.1:8001/> 
>>>  <http://192.168.1.1:8001/>
>>> <http://192.168.1.1:8001/>  route=A_
>>>   BalancerMember http://192.168.1.2:8001 <http://192.168.1.2:8001/> 
>>>  <http://192.168.1.2:8001/>
>>> <http://192.168.1.2:8001/>  route=B_
>>>  </VirtualHost>
>>> -snip-
>>>
>>> the sessionkey-coockie is set to something like 12721798.A_
>>>
>>> after a few clicks (depends from 2 to 15) i get connectet to the
>>> second Member,
>>> but don't see why! any ideas?
>>>
>>> when i have a look at the logfile, i never see some information about the
>>> coockie or so.. :-(
>>>
>>> thanks in advance
>>> dom
>>
>>
>>
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