Common, generic interfaces that define minimal boundary points between Spring's web infrastructure and other framework modules.


HttpRequestHandler Plain handler interface for components that process HTTP requests, analogous to a Servlet. 


HttpMediaTypeException Abstract base for exceptions related to media types. 
HttpMediaTypeNotAcceptableException Exception thrown when the request handler cannot generate a response that is acceptable by the client. 
HttpMediaTypeNotSupportedException Exception thrown when a client POSTs or PUTs content not supported by request handler. 
HttpRequestMethodNotSupportedException Exception thrown when a request handler does not support a specific request method. 
HttpSessionRequiredException Exception thrown when an HTTP request handler requires a pre-existing session.