需要一个无法找到Spring类型的bean
Spring Boot应用程序无法启动？
这是我的项目结构
以下是我的主要课程。
package com.example; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; @SpringBootApplication public class Start { public static void main(String[] args) { SpringApplication.run(Start.class, args); } } 我的控制台是
2017-11-28 11:48:52.187 WARN 7316 --- [ main] ationConfigEmbeddedWebApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'userController': Unsatisfied dependency expressed through field 'userRepository'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.example.repository.UserRepository' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)} Description: Field userRepository in com.example.controller.UserController required a bean of type 'com.example.repository.UserRepository' that could not be found. Action: Consider defining a bean of type 'com.example.repository.UserRepository' in your configuration.
Application.properties
spring.data.mongodb.host=localhost spring.data.mongodb.port=27017 spring.data.mongodb.database=example
UserRepository接口
package com.example.repository; import org.springframework.data.mongodb.repository.MongoRepository; import com.example.model.User; public interface UserRepository extends MongoRepository{ public User findOneByName(String name); }
这是我的控制器
@RestController @RequestMapping("/user/") public class UserController { @Autowired public UserRepository userRepository; @RequestMapping(method = RequestMethod.POST, consumes = MediaType.APPLICATION_JSON_VALUE) public void create(@RequestBody User user){ userRepository.save(user); } }
尝试在Start类中添加@EnableMongoRepositories(basePackages="com.example.repository") 。
我尝试使用CrudRepository接口代替MongoRepository。 它的工作正常。