< hr> < p> HTTP Error < /p> < hr> < p> HTTP Error 400. A request header field is too long.< /p> < hr> < p> HTTP Error 400. The request URL is invalid.< /p> < hr> < p> HTTP Error 400. The request has an invalid header name.< /p> < hr> < p> HTTP Error 400. The request hostname is invalid.< /p> < hr> < p> HTTP Error 400. The request is badly formed.< /p> < hr> < p> HTTP Error 400. The request verb is invalid.< /p> < hr> < p> HTTP Error 400. The size of the request headers is too long.< /p> < hr> < p> HTTP Error 400. There is an invalid content length or chunk length in the request.< /p> < hr> < p> HTTP Error 401. The requested resource requires user authentication.< /p> < hr> < p> HTTP Error 403. The request URL is forbidden.< /p> < hr> < p> HTTP Error 404. The requested resource is not found.< /p> < hr> < p> HTTP Error 411. The request must be chunked or have a content length.< /p> < hr> < p> HTTP Error 412. A cache precondition has failed.< /p> < hr> < p> HTTP Error 413. The request entity body is too large.< /p> < hr> < p> HTTP Error 414. The request URL is too long.< /p> < hr> < p> HTTP Error 416. The requested range is not satisfiable.< /p> < hr> < p> HTTP Error 500. An internal server error has occured.< /p> < hr> < p> HTTP Error 501. The request transfer encoding type is not supported.< /p> < hr> < p> HTTP Error 503. The administrator has taken the application offline.< /p> < hr> < p> HTTP Error 503. The application is offline.< /p> < hr> < p> HTTP Error 503. The application is too busy to handle the request.< /p> < hr> < p> HTTP Error 503. The application request queue is full.< /p> < hr> < p> HTTP Error 503. The application was automatically shutdown due to administrator policy.< /p> < hr> < p> HTTP Error 503. The service is unavailable.< /p> < hr> < p> HTTP Error 503. There are too many outstanding connections.< /p> < hr> < p> HTTP Error 505. The HTTP Version in the request is not supported.< /p>