Hello Filip,
Thanks a lot for your reply. From the logs , the session state send is
evident .The scenario i tried is as follows ....
I opened the application web page on the first node via my browser ,
logged in , did some operations like some additions and modifications. I
displayed the items in the cart .
Then I opened the same application web page on the second node via browser
and tried to display the items in the cart and it said that the Cart is
empty .
I had a few questions ...
1) how can I know if session replication is happening i.e any special
debugging can be enabled in log4j ? (from above scenario , the items in the
cart should be the same ? can this be the criteria ?)
2) Is it necessary to make the petstore database on each of nodes clustered
for session replication to happen ?
I wish to do some load testing too with jmeter to see how the load is
distributed between workers.
Any help will be greatefully appreciated !
Best Regards,
Anupam
Filip Hanik - Dev Lists wrote:
>
> looks like its working, what is it that you don't think is working or
> would like help with?
>
> 6 nov. 2008 17:08:30 org.apache.catalina.ha.session.DeltaManager
> getAllClusterSessions
> ATTENTION: Manager [localhost#/jpetstore], requesting session state from
> org.apache.catalina.tribes.membership.MemberImpl[tcp://{-84, 17, 4,
> 14}:4000,{-84, 17, 4, 14},4000, alive=276200,id={44 8 -106 78 -12 88 70
> -91 -126 47 21 -83 -67 102 67 -94 }, payload={}, command={}, domain={},
> ]. This operation will timeout if no session state has been received
> within 60 seconds.
> 6 nov. 2008 17:08:30 org.apache.catalina.ha.session.DeltaManager
> waitForSendAllSessions
> INFO: Manager [localhost#/jpetstore]; session state send at 06/11/08
> 17:08 received in 112 ms.
>
> Filip
>
> Anupam Beri wrote:
>> Hello All ,
>> I am a newbie to the Tomcat and Tomcat clustering
>> environment .I was just going through some posts on this forum for
>> reference
>> .
>> I wish to deploy the classic JPetStore application which comes with the
>> Spring framework in the clustered environment involving 2 machines for
>> session replication
>>
>> For this, I installed Apache 2.2 , Tomcat 6.0.18 and mod_jk on each of
>> these
>> machines . I configured mod_jk load balancer for sticky session and
>> deployed
>> JPetStore on either of them .
>> But once I start tomcat and apache on either machine and try to do some
>> transactions , I cannot see any sessions being exchanged between the two
>> members of the cluster.
>>
>> The JPetStore application also uses a database (hsqldb) and its necessary
>> to
>> start one on either machine (it is not a shared one).
>>
>> I was reading some documentation regarding if the session attributes are
>> to
>> be implemented from serializable interface...but I see they already have
>> been in the source code .
>>
>> I will be greateful if anyone could help me out and give a good insight
>> on
>> where I am going wrong ?
>> I have attached the server.xml , workers.properties and catalina.out for
>> the
>> two nodes in the attached file.
>> Any help is deeply appreciated !
>>
>> Best Regards !!
>> Anupam
>>
>> http://www.nabble.com/file/p20456399/clustering_files.rar
>> clustering_files.rar
>>
>
>
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