Another message redelivery pattern with WSO2 ESB
In the articles Implementing Store and Forward Messaging Patterns With WSO2ESB Part 1 and Implementing Store and Forward Messaging Patterns With WSO2ESB Part 2 . I have introduced WSO2 Message Processors and Message Stores and explained how to implement store and forward messaging patterns with them. In this blog post i ' m trying to show how to implement a redelivery messaging pattern i recently implemented. actually in the article Implementing Store and Forward Messaging Patterns With WSO2ESB Part 2 i have described how to implement a redelivery pattern with Message Forwarding processor. But in this post i'm going to show how to implement another redelivery pattern which can’t be achieved with Message Forwarding processor. Following is the requirement : Client invokes a Backend service through a ESB. If 1st invocation is successful send the response back to client and if service is not available send a fault message back. In a failure re try to deliver the mes