Added a WARN log message to HttpRequestExecutingMessageHandler. The warn message will let the user know that the 'extractPayload' attribute is meaningless if the provided 'httpMethod' will not send a request body.
Added a WARN log message to HttpRequestExecutingMessageHandler. The warn message will let the user know that the 'extractPayload' attribute is meaningless if the provided 'httpMethod' will not send a request body.