How to create Seperate Containers in Sun AppServer 8.1 2005Q2?

Hi !
We are currently in the middle of a server migration - from Oracle AppServer to the Sun AppServer 8.1. In Oracle it was possible to create seperate containers which had the same i-net address and same port(Called OC4J Instances). These containers were able to start and stop seperatly.(The reason for this is that we have many applications running and if some problems arise we don't need to stop the whole Container/Server)
I tried different solutions:
- create a new domain --> Port has to be not the same
- create an instance --> Port has to be not the same
- create a virtual server --> domain name has to change
i also thought about a special config for http listners
but didn't get to a point jet.
pls help me -- i'm sure it is possible
greetings
maty

Hi Maty,
To anwer you questions from previous posting:
1. Yes you have to deploy all of your apps on all instances known to the loadbalancer. This is becasue all of the request comming to the load balancer can be routed to any of these instances.
2. To insure that you don't run two different versions of you application in the cluster you can quiese single appserver instance or any given application before update. See following doc for more info.
http://docs.sun.com/source/819-0216/ha_as_overview.html#wp1046921
One additional note: To upgrade you application in Sun AS8.1 you don't need to shut it down as it supporst dynamic application deployment. This may be all you need... that is If you don't want any of the High availability features that LB gives you .
Regards,
/Oleg

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