[JMS] Consumer Drops From One of The Uniform Distributed Queue Members
(Doc ID 1463731.1)
Last updated on MARCH 29, 2021
Applies to:Oracle WebLogic Server - Version 10.3 and later
Information in this document applies to any platform.
Create two WebLogic Server domains.
Flow of message and architecture will be something like the following: MDB Producer -->> Weblogic Server -->> UDQ(Cluster C1[MS1 and MS2]) <<------>> FJMS-->> single server 'FJMS1'-->>MDB Consumer
Configuration of domain 1
- Create two managed servers namely MS1 and MS2 on domain1 and include them in the cluster C1.
- Create two JMS servers and target on MS1 and MS2 respectively.
- Create sub-deployment subd under JMS module and target it on JMSServers.
- Create uniform distributed Queue, Connection Factory and target it on subdeployment subd.
- Make the Servers MS1 and MS2 to run on SSL port with plain port Disabled.
Configuration of domain 2
- Create one managed server FJMS1.
- Create one Foreign JMS Server and targeted on server FJMS1.
- Map the destination with UDQ and connection factory with the UDQ in foreign JMS Server configuration.
- Deploy the consumer application test MDB on server FJMS1.
Start the servers sequentially, first MS1 then MS2 and then FJMS1 and you will see consumer from one of the UDQ member drops. See consumer current count in below snapshot. One member of the UDQ has 16 consumer and another member has zero consumer.
The reason why we say the consumer dropped from the UDQ member is that the MDB consumer is able to make the consumer on both the UDQ members first but later it drops from any of the UDQ member. This is evident from the consumer high and consumer Total as they both shows 16 consumers.
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