'Application'中方法init的参数0需要一个无法找到的'package'类型的bean

问题描述 投票:1回答:1

我正在尝试将MorphiaJava连接起来,因此尝试实施一个项目。但是,我收到以下错误

***************************
APPLICATION FAILED TO START
***************************

Description:

Parameter 0 of method init in code.nithin.application.Application required a bean of type 'code.nithin.repository.AssetRepository' that could not be found.


Action:

Consider defining a bean of type 'code.nithin.repository.AssetRepository' in your configuration.


Process finished with exit code 1

调用函数是

@Bean
public CommandLineRunner init(AssetRepository assetRepository){
    return (args) -> {
        Asset test = new Asset(1, "https://example.com");
        System.out.println(assetRepository.save(test).getId());
    };
}

AssetController

@Repository
public class AssetController implements AssetRepository{
    @Autowired
    private Datastore datastore;

    @Override
    public Key<Asset> save(Asset asset){
        return datastore.save(asset);
    }
}

AssetRepository

public interface AssetRepository {
    public Key<Asset> save(Asset asset);
}

Asset类是

@Data
@Entity("asset")
@NoArgsConstructor
public class Asset {

    @Id
    private ObjectId id;
    private String URL;
    private long timeStamp;
    private int version;

    public Asset(int version, String URL) {
        this.version = version;
        this.URL = URL;
        this.timeStamp = System.currentTimeMillis();
    }

    public ObjectId getId() {
        return id;
    }

    public String getURL() {
        return URL;
    }

    public long getTimeStamp() {
        return timeStamp;
    }

    public int getVersion() {
        return version;
    }

}

添加了整个Application

package code.nithin.application;

import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.mongo.embedded.EmbeddedMongoAutoConfiguration;
import org.springframework.context.annotation.Bean;

import code.nithin.entity.Asset;


import code.nithin.repository.AssetRepository;


@SpringBootApplication(exclude = EmbeddedMongoAutoConfiguration.class)
public class Application {

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

    @Bean
    public CommandLineRunner init(AssetRepository assetRepository){
        return (args) -> {
            Asset test = new Asset(1, "https://example.com");
            System.out.println(assetRepository.save(test).getId());
        };
    }
}
java morphia
1个回答
0
投票

由于您的存储库不在Application的包层次结构中,因此请考虑添加组件扫描指令,例如:

@SpringBootApplication(exclude = EmbeddedMongoAutoConfiguration.class)
@ComponentScan({"code.nithin.repository"})
public class Application {

您还可以指定多个包,或者如果要扫描整个应用程序的包树,只需扫描"code.nithin"

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