In SpringBoot 2.3.0 or later, the placeholder used for the value of @PropertySource fails to be resolved.

Contents

The title is as it is. In SpringBoot 2.3.0 or later, if you use a placeholder like classpath: /something-config-${spring.profiles.active} .yml to specify the value of @ PropertySource, you will not be able to resolve it and an exception will occur. appear. The latest version of Boot today is 2.3.1.

Source

SomethingConfig.java

@Configuration
@ConfigurationProperties(prefix = "something")
@Component
@PropertySource(value = {"classpath:/something-config.yml","classpath:/something-config-${spring.profiles.active}.yml"}, factory = YamlPropertySourceFactory.class)
@Data
public class SomethingConfig {

    private String setting1;
    private String setting2;
}

result

Caused by: java.lang.IllegalArgumentException: Could not resolve placeholder 'spring.profiles.active' in value "classpath:/somethign-config-${spring.profiles.active}.yml"

Solution

I used 2.2 series for the time being.

issue

https://github.com/spring-projects/spring-boot/issues/21631