Wed 04 May 2022

Recently at work, at SNCF Connect & Tech, we needed to expose some static documents as HTTP endpoints: a GET /version that would provide some information about the application version as JSON, and a GET /openapi/yaml that would return the OpenAPI 3 specification of our HTTP API as YAML. We …

Wed 15 July 2020

Linkback protocols are an old breed. They were born in a time where MySpace, Wikipedia & WordPress had just been launched, and Friendster was more popular than this new website called Facebook. Diagram source: PPRuNe article on linkbacks The latest linkback protocol, Webmention, is relatively recent though, as it became a …

Wed 12 October 2016

I love reveal.js. I've been using it for years. But the other day, I was badly bitten by its requirement on a local HTTP server. What happenned was that I was invited to make a short presentation in a youth and cultural center. I had prepared some slides with …

Thu 29 October 2015

Simply add the following class to your project. It will be automatically registered at start-up if you use the @EnableAutoConfiguration annotation : @ControllerAdvice // Makes this the default behaviour of all controllers @ConditionalOnProperty(prefix = "app", name = "disable-default-exception-handling") class GlobalControllerExceptionHandler { @ExceptionHandler(Exception.class) // Catch any exception @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR) // Returns an error code …