But if the SOAP message contains this element then it should be the first child element of the root Envelope element and the child elements of Header should be qualified of a namespace. Header element: The SOAP header element is an optional element of the SOAP message. It tells that the specific XML document is a SOAP message. SOAP Envelope element: This element is the root element of the SOAP message. This method of un-wrapping the information is called Demarshalling.Ī Soap message consists of the following elements:ġ. The server then processes the request and sends the appropriate response to the client in the form of a SOAP message. Now, the server takes the request from the client and unwrap the SOAP message sent by the client. We can call this as an HTTP request and this method of wrapping the information into SOAP message is called Marshalling. These SOAP messages contain information for processing. It uses HTTP protocol to send XML based messages called SOAP messages to the server for processing. SOAP works on Marshalling and Demarshalling mechanism. It should not consist of DTD reference and XML processing instructions. Encoding of a SOAP message should be done using XML language.
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