@Autowired – No qualifying bean of type found for dependency

You should autowire interface AbstractManager instead of class MailManager. If you have different implemetations of AbstractManager you can write @Component(“mailService”) and then @Autowired @Qualifier(“mailService”) combination to autowire specific class. This is due to the fact that Spring creates and uses proxy objects based on the interfaces.

Spring boot – Request method ‘POST’ not supported. Tried everything

Following might help. While you deploy the application, spring boot displays all the available services on the console. Check the POST method to create is being displayed or not. Check that there shouldn’t be any contradiction with other services. GET/PUT/POST If there are services not deployed, try adding ‘/’ before other services – GET, PUT, … Read more

org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘MyController’:

Copied from the stacktrace: BeanInstantiationException: Could not instantiate bean class [com.gestEtu.project.model.dao.CompteDAOHib]: No default constructor found; nested exception is java.lang.NoSuchMethodException: com.gestEtu.project.model.dao.CompteDAOHib.<init>() By default, Spring will try to instantiate beans by calling a default (no-arg) constructor. The problem in your case is that the implementation of the CompteDAOHib has a constructor with a SessionFactory argument. By adding the @Autowired annotation to a constructor, … Read more

Spring Boot – Unable to resolve Whitelabel Error Page

Please define method in your controller: You may define @RequestMapping(value = “/”, method = RequestMethod.GET) or you may directly use @GetMapping there might be some more conflicts in your pom, like no need add tomcat dependency as its already embedded so below can be removed. To enable support for JSP’s, add a dependency on tomcat-embed-jasper. and after … Read more

This application has no explicit mapping for /error

I used maven to do the tutorial https://spring.io/guides/gs/uploading-files/All the codes I used was copied. The Application can run, but I get the error: Whitelabel Error Page This application has no explicit mapping for /error, so you are seeing this as a fallback. Tue Jun 30 17:24:02 CST 2015 There was an unexpected error (type=Not Found, … Read more