Spring Boot 不加载 application.yml 配置

Question

I have a simple main app:

@Configuration
    @EnableAutoConfiguration
    @ComponentScan(basePackages = "dreamteam.eho")
    @Import({EhoConfig.class})
    public class MainApp implements CommandLineRunner, ApplicationContextAware {

With config:

@Configuration
@EnableConfigurationProperties({RootProperties.class})
public class EhoConfig {
}

And properties:

@ConfigurationProperties("root")
public class RootProperties {
    private String name;

I try to load config:

--spring.config.location=file:///E:/.../eho-bot/props/ --spring.profiles.active=eho

Path is correct. But yml isn't loaded;

application-eho.yml file:

logging:
  file: D:/java/projects/telegram-bots/eho.log
  level:
    dreamteam.eho: INFO
    org.springframework: DEBUG

root:
  name: EHO-BOT

App runs with args, but all props null. Logging properties not aplied; sout:

--spring.config.location=file:///E:.../eho-bot/props/

--spring.profiles.active=eho

--spring.output.ansi.enabled=always

Answer 1

For this moment you should use spring-boot.

    @SpringBootApplication
    public class ReTestsApplication implements CommandLineRunner {

        public static void main(String[] args) {
            SpringApplication application = new SpringApplication(ReTestsApplication.class);
            application.setWebEnvironment(false);
            application.setBannerMode(Banner.Mode.OFF);
            application.run(args);
        }

        public void run(String... args) throws Exception {

        }
    }

Use webEnvironmet=false, and BannerMode=off (console application).

Docs, see https://docs.spring.io/spring-boot/docs/current/reference/html/howto-properties-and-configuration.html#howto-externalize-configuration

Answer 2

Try this way :

Follow application structure like :

App
└── src
|    ├── main
|         ├── java
|         │     └── <base-package>
|         │               └── Application.java (having public static void main() method)
|         │
|         ├── resources
|                ├─── application-eho.yml
|
├──── pom.xml

Application.java content

@SpringBootApplication
@RestController
public class Application {

    public static void main(String[] args) {
        System.setProperty("spring.config.name", "application-eho");
        SpringApplication.run(Application.class, args);
    }

}

application-eho.yml file:

logging:
  file: D:/java/projects/telegram-bots/eho.log
  level:
    dreamteam.eho: INFO
    org.springframework: DEBUG

root:
  name: EHO-BOT

Answer 3

if you are using PropertySource annotation then it is not possible. Be default it doesn't support yml file types. use PropertySourceFactory as below

    public class YamlPropertySourceFactory implements PropertySourceFactory {

    @Override
    public PropertySource<?> createPropertySource(String name, EncodedResource encodedResource) 
      throws IOException {
        YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
        factory.setResources(encodedResource.getResource());

        Properties properties = factory.getObject();

        return new PropertiesPropertySource(encodedResource.getResource().getFilename(), properties);
    }
}

Then, refer to the same in your property source annotation as follows:

@PropertySource(value = "classpath:foo.yml", factory = YamlPropertySourceFactory.class)

Source: PropertySourceFactory