Question

我正在使用mvc + mongodb构建一个非常简单的Spring启动应用程序。我使用Spring初始化程序来创建具有web，thymeleaf和mongo依赖项的proj。我有一个控制器，一个模型和一个视图但我在尝试执行应用程序时仍然遇到错误：

Description:

Field repo in com.example.CustomerController required a bean named 'mongoTemplate' that could not be found.


Action:

Consider defining a bean named 'mongoTemplate' in your configuration.

CustomerController：

import model.Customer;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

/**
 * Created by Hello on 25/04/2017.
 */

@Controller
@RequestMapping("/home")
public class CustomerController {

    @Autowired
    CustomerMongoRepo repo;


    @RequestMapping(value = "/home", method= RequestMethod.GET)
    public String viewingHome(Model model){
        //initDB();
        model.addAttribute("key", "THIS IS FROM THE MODEL");

        return "homepage";
    }

}

CustomerMongoRepo：

    import org.springframework.data.repository.CrudRepository;

        import model.Customer;

public interface CustomerMongoRepo extends CrudRepository {}

MainApp：

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.data.mongo.MongoDataAutoConfiguration;
import org.springframework.boot.autoconfigure.mongo.MongoAutoConfiguration;
import org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration;

@SpringBootApplication(exclude = {MongoAutoConfiguration.class, MongoDataAutoConfiguration.class})
public class DemoApplication extends WebMvcAutoConfiguration {


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

客户模式：

import org.springframework.data.annotation.Id;
import org.springframework.data.mongodb.core.mapping.Document;

/**
 * Created by Hello on 25/04/2017.
 */

@Document(collection = "customerCollection")
public class Customer {
    @Id
    private int id;
    private String fName;
    private String sName;

    public Customer(){}

    public Customer(int id, String fName, String sName){
        setfName(fName);
        setsName(sName);
        setId(id);
    }

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getfName() {
        return fName;
    }

    public void setfName(String fName) {
        this.fName = fName;
    }

    public String getsName() {
        return sName;
    }

    public void setsName(String sName) {
        this.sName = sName;
    }


}

我的应用程序属性：

spring.data.mongodb.database=customer
spring.data.mongodb.host=localhost
spring.data.mongodb.port=27017
spring.data.mongodb.uri=mongodb://localhost:27018/mydb
spring.data.mongo.repositories.enabled=true

Answer 1

您排除了Mongo配置。

@SpringBootApplication(exclude = {MongoAutoConfiguration.class, MongoDataAutoConfiguration.class})

然后spring将如何为您创建mongoTemplate。删除此排除项或手动创建MongoTemplate并将其注册到应用程序上下文（使用@Bean）

Answer 2

我最近遇到了同样的问题，我的解决方案是删除 spring-data-mongodb：

<!--<dependency>-->
<!--    <groupId>org.springframework.data</groupId>-->
<!--    <artifactId>spring-data-mongodb</artifactId>-->
<!--    <version>3.2.1</version>-->
<!--</dependency>-->

我保留了spring-boot-starter-data-mongodb：

<dependency>
    <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-data-mongodb</artifactId>
</dependency>

可以看出，要么两者一起产生冲突，要么我需要添加我不知道的“东西”。

快乐代码！！！希望对你有帮助

更新

后来我发现了一些与问题可以描述的内容相关的东西，尽管我永远不会完成检查： https://stackoverflow.com/a/12389842/7911776

找不到mongoTemplate bean

2 个答案:

更新