src/main/java/org/java_websocket/WebSocketImpl.java
private ByteBuffer generateHttpResponseDueToError( int errorCode ) {
		String errorCodeDescription;
		switch(errorCode) {
			case 404:
				errorCodeDescription = "404 WebSocket Upgrade Failure";
				break;
			case 500:
			default:
				errorCodeDescription = "500 Internal Server Error";
		}
		return ByteBuffer.wrap( Charsetfunctions.asciiBytes( "HTTP/1.1 " + errorCodeDescription + "\r\nContent-Type: text/html\nServer: TooTallNate Java-WebSocket\r\nContent-Length: " + ( 48 + errorCodeDescription.length() ) + "\r\n\r\n<html><head></head><body><h1>" + errorCodeDescription + "</h1></body></html>" ) );
	}
private ByteBuffer generateHttpResponseDueToError( int errorCode ) {
		String errorCodeDescription;
		switch(errorCode) {
			case 404:
				errorCodeDescription = "404 WebSocket Upgrade Failure";
				break;
			case 500:
			default:
				errorCodeDescription = "500 Internal Server Error";
		}
		return ByteBuffer.wrap( Charsetfunctions.asciiBytes( "HTTP/1.1 " + errorCodeDescription + "\r\nContent-Type: text/html\nServer: TooTallNate Java-WebSocket\r\nContent-Length: " + ( 48 + errorCodeDescription.length() ) + "\r\n\r\n<html><head></head><body><h1>" + errorCodeDescription + "</h1></body></html>" ) );
	}
Generate a simple response for the corresponding endpoint to indicate some error

@param errorCode the http error code
@return the complete response as ByteBuffer