Springboot reading my yml but is null even if i passing in values

Question

This is what my application yml looks like

    credit:
     application:
       message: "credit messages"

java code

    @Value("${credit.application.message}")
    private String message;

    public void displayConfig() {
        log.info("#####################   \n" + "");

        log.info("#####################   \n" + message);
    }

The problem is that my value message is null even if i'm setting it in the yml

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;

@Slf4j
public class ConfigServer {

    @Value("${credit.application.message}")
    private String message;

    public void displayConfig() {
        log.info("#####################   \n" + "");

        log.info("#####################   \n" + message);
    }
}

also can you share the full class which hold displayConfig method? also the import of @Value — Youcef LAIDANI
– Youcef LAIDANI, Commented Jun 13, 2019 at 13:51
import lombok.extern.slf4j.Slf4j; import org.springframework.beans.factory.annotation.Value; @Slf4j public class ConfigServer { @Value("${credit.application.message}") private String message; public void displayConfig() { log.info("##################### \n" + ""); log.info("##################### \n" + message); } } — mrobi
– mrobi, Commented Jun 13, 2019 at 13:56

Youcef LAIDANI · Accepted Answer · 2019-06-13 13:55:51Z

1

You are missing @Configuration or @Service or @Controller, .. annotation your class is just a native class not a component class, instead try :

@Slf4j
@Configuration // important 
public class ConfigServer {
    @Value("${credit.application.message}")
    private String message;

    public void displayConfig() {
        log.info("##################### \n" + "");
        log.info("##################### \n" + message);
    }
}

answered Jun 13, 2019 at 13:55

Youcef LAIDANI

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2 Comments

Youcef LAIDANI Over a year ago

@mrobi you said in your last comment that it works!

mrobi Over a year ago

sorry about the confusion. it's working. i made it a Bean then it work

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