This section explains, through an example scenario, how the Messaging Gateway EIP can be implemented using WSO2 ESB. The following topics are covered:Table of Contents
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Simulating the sample scenario
If you navigate to http://localhost:9000/services/SimpleStockQuoteService, you can see the WSDL file of the back-end server. There are five methods exposed externally, but the Proxy Service SimpleQuoteProxy exposes only four externally, filtering out the getFullQuote method. See the SimpleQuoteProxy WSDL file in http://localhost:8280/services/StockQuoteProxy?wsdl.
Send the following request using a SOAP client like SoapUI to the SimpleQuoteProxy service.
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After sending the above message to the server, you'll get a server error as 'The endpoint reference (EPR) for the Operation not found is /services/StockQuoteProxy and the WSA Action = urn:getFullQuote. ' The reason for this error is that the getFullQuote method is not exposed to SimpleQuoteProxy, although the back-end server supports it.
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