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This section explains, through an example scenario, how the Dead Letter Channel EIP can be implemented using WSO2 ESB. The following topics are covered:

Table of Contents


The WSO2 ESB provides two message store types: In memory and JMS. Users can also define their own custom message store implementations.

  1. Start the ESB server and log into its management console UI (https://localhost:9443/carbon). I
  2. In the management console, navigate to the Main menu and select the Message Stores sub menu in the Service Bus section.
  3. Create a new message store. In this example, we create test-msg-store.


  4. Define a message processor called test-msg-processor as follows:

  5. Define an endpoint called SimpleStockQuoteService, and set it as the target.endpoint property. The store mediator uses it when storing the message into the message store.