Thanks a lot Filip !
Well I tried to set up the log4j.properties at the server as well as the
application level to include these categories but it dosent seem to work,
i.e I couldnt see the traces specific to sessions .
Is there any specific trace that could enable the sessionID to appear in the
logs, i .e the ID being replicated to the other nodes ?
I also read that the session attributes must be implemented with a
serializable interface. For the jpetstore application , does this mean that
the data items that are pushed into the cart also be serializable?
Sorry for too many questions but a bit confused.
Best Regards,
Anupam
Filip Hanik - Dev Lists wrote:
>
> you could enable tracing for the two following categories
>
> org.apache.catalina.ha
> org.apache.catalina.tribes.MESSAGES
>
> Filip
>
> Anupam Beri wrote:
>> 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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>>>
>>>
>>
>>
>
>
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