Fantaisies programatico-ludiques

JSONP & exceptions with Spring web 4

Since Spring 4.1, it is really easy to enable JSONP on an API controller: @RestController @RequestMapping(value = "/") public class MyController { @ControllerAdvice static class JsonpAdvice extends AbstractJsonpResponseBodyAdvice { public JsonpAdvice() { super("callback"); // name of the query parameter to use } } @RequestMapping(value = "/", method = RequestMethod.GET) public MyAPIResult getStuff(...) { ... } } There is no RFC …

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Disabling error stack traces with SpringBoot, but only in prod

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 …

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Solving BeanCreationException: Error creating bean with name 'entityManagerFactory'

I've lost quite some time on this error recently : Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaAutoConfiguration.class]: Invocation of init method failed; nested exception is java.lang.AbstractMethodError: org.hibernate.jpa.boot …

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