Question

我的弹簧启动项目有一个非常奇怪的问题：我使用的是STS，它的版本是3.6.3.SR1。我也安装了mongodb，它的版本是2.6.7。我想用STS连接到mongodb。所以，我从教程中尝试了这个项目：档案 - ＆gt;新的 - ＆gt;导入Spring入门内容。然后我选择“访问数据Mongodb”。然后我运行gs-access-data-mongodb-complete，它运行得很好。教程在这里[在此输入链接描述] [1] 但是，当我创建一个Spring starter项目时，依赖项我选择了MongoDB，Rest Repositories。我从上面复制完全相同的代码，但它不起作用。

任何人都可以帮助我吗？

的pom.xml http://maven.apache.org/xsd/maven-4.0.0.xsd"> 4.0.0

<groupId>org.test</groupId>
<artifactId>demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>

<name>demo</name>
<description>Demo project for Spring Boot</description>

<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>1.2.1.RELEASE</version>
    <relativePath/> <!-- lookup parent from repository -->
</parent>

<properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <start-class>demo.DemoApplication</start-class>
    <java.version>1.7</java.version>
</properties>

<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-data-mongodb</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-data-rest</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-test</artifactId>
        <scope>test</scope>
    </dependency>
</dependencies>

<build>
    <plugins>
        <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
        </plugin>
    </plugins>
</build>

包演示;

import org.springframework.data.annotation.Id;

公共类客户{

@Id
private String id;

private String firstName;
private String lastName;

public Customer() {}

public Customer(String firstName, String lastName) {
    this.firstName = firstName;
    this.lastName = lastName;
}

@Override
public String toString() {
    return String.format(
            "Customer[id=%s, firstName='%s', lastName='%s']",
            id, firstName, lastName);
}

}

import java.util.List;

import org.springframework.data.mongodb.repository.MongoRepository;

公共接口CustomerRepository扩展了MongoRepository {

public Customer findByFirstName(String firstName);
public List<Customer> findByLastName(String lastName);

}

公共类DemoApplication实现CommandLineRunner {

@Autowired
private CustomerRepository repository;

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


@Override
public void run(String... args) throws Exception {

    repository.deleteAll();

    // save a couple of customers
    repository.save(new Customer("Alice", "Smith"));
    repository.save(new Customer("Bob", "Smith"));

    // fetch all customers
    System.out.println("Customers found with findAll():");
    System.out.println("-------------------------------");
    for (Customer customer : repository.findAll()) {
        System.out.println(customer);
    }
    System.out.println();

    // fetch an individual customer
    System.out.println("Customer found with findByFirstName('Alice'):");
    System.out.println("--------------------------------");
    System.out.println(repository.findByFirstName("Alice"));

    System.out.println("Customers found with findByLastName('Smith'):");
    System.out.println("--------------------------------");
    for (Customer customer : repository.findByLastName("Smith")) {
        System.out.println(customer);
    }

}

}

Spring Tool Suite（3.6.3.SR1）启动项目无法连接到mongodb

0 个答案: