OSB Business Service jms target

Dear all,
I have a business service in OSB, accepting messages, and putting them in a jms queue in j2ee.
My question is, if it is possible somehow to declare as Endpoint URI the cluster address, so that the messages are balanced between the jms servers deployed in each j2ee managed server. If I set the cluster address, which is the comma separated addresses of the members, the messages all end up to the jms server of the first address declared in the endpoint URI.
The JMS connection factory accepting the messages from OSB has default targeting and is targeted to the J2EE cluster.
The endpoint URI of the business service when set to the cluster address looks like so:
jms://172.16.217.134:7701,172.16.217.135:7701/myJMSConnectionFactory/MyJMSQueue
We also use an external load balancer IP, which does not work as expected. At times messages are processed only by one consumer and at times the balancing works properly. This is why we are looking for alternatives.
Environment is 10.3.6. OSB and J2EE cluster have two managed servers each.
Thank you
Edited by: 926252 on Dec 5, 2012 4:24 AM

Suppose if the source or the endsystem is in maintenance and is not availabel for the whole day.Now a days, it should be really a very rare scenario where a system goes down for an entire day for maintenance. 2-3 hours maintenance window is normal. If in your case, long maintenance windows are normal and frequent then I would suggest to change the design. Instead of polling remote system, let remote system push the files to OSB server (may be on JMS or any other persistent destination) and then even if remote system goes down it won't affect OSB.
As far enabling and disabling proxy services are concerned, you may handle it through scripts or java API's -
https://blogs.oracle.com/ateamsoab2b/entry/automatic_disabling_proxy_service_when
http://orasoa.blogspot.in/2011/05/disable-and-enable-osb-proxy-services.html
still no other choice?If most of the maintenance windows are scheduled then it is easy to handle the scenario with manual enable/disable of proxy services, but if mostly it is unscheduled then changing the solution design seems better option.
Regards,
Anuj

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