spring boot RestController from maven dependency does not work

Question

I have a following controller in my microservices-core project:

package com.XYZ.microservices.core.api.version;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

@RestController
@RequestMapping("/version")
public class VersionController {

    @Autowired
    private VersionService versionService;

    @RequestMapping(method = RequestMethod.GET, produces = {MediaType.APPLICATION_JSON_VALUE})
    public Version getVersion() {
        return versionService.getVersion();
    }
}

I have another project called product-service. I am importing microservices-core to product-service like this:

dependencies {
        compile("com.XYZ:microservices-core:1.0.0-RELEASE")
        ...
}

Now, I am initializing product-service application like this:

@SpringBootApplication
public class ProductServiceApplication {

    public static void main(String[] args) {
        SpringApplication.run(ProductServiceApplication.class, args);
    }
}

The classes in microservices-core are available in product-service. But I am not able to GET localhost:8080/version when I run product-service. Can someone help?

Can you add the spring trace that you see on the output when you start the application? — Nico
– Nico, Commented Dec 8, 2016 at 2:48

Strelok · Accepted Answer · 2016-12-08 04:11:21Z

3

My guess is your main application class package is not in the same package as the controller class.

Add ComponentScan annotation to your main class to scan all subpackages for components:

@SpringBootApplication
@ComponentScan({"com.XYZ.microservices.core"})
public class ProductServiceApplication {

    public static void main(String[] args) {
        SpringApplication.run(ProductServiceApplication.class, args);
    }
}

answered Dec 8, 2016 at 4:11

Strelok

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1 Comment

hrishikeshp19 Over a year ago

that does it. Thank you very much sir! :)

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