spring boot 启动eureka服务出错

Question

当我启动eureka服务是遇到了一个问题：

org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframework.context.ApplicationContextException: Unable to start ServletWebServerApplicationContext due to missing ServletWebServerFactory bean.

环境：

• maven：3.8.6
• idea：ij 2022
• jdk: 1.8
• spring cloud :Greenwich.RELEASE
• application.yml*

#eureka server服务端口
server:
  port: 8761
spring:
  application:
    name: lagou-cloud-eureka-server # 应用名称，应用名称会在Eureka中作为服务名称

    # eureka 客户端配置（和Server交互），Eureka Server 其实也是一个Client
eureka:
  instance:
    hostname: localhost  # 当前eureka实例的主机名
  client:
    service-url:
      # 配置客户端所交互的Eureka Server的地址（Eureka Server集群中每一个Server其实相对于其它Server来说都是Client）
      # 集群模式下，defaultZone应该指向其它Eureka Server，如果有更多其它Server实例，逗号拼接即可
      defaultZone: http://${eureka.instance.hostname}:8761/eureka
    register-with-eureka: false  # 集群模式下可以改成true
    fetch-registry: false # 集群模式下可以改成true

praent pom

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.lhj.learn</groupId>
    <artifactId>lagou-parent</artifactId>
    <version>1.0-SNAPSHOT</version>
    <modules>
        <module>lagou-service-common</module>
        <module>lagou-service-autodeliver</module>
        <module>lagou-service-resume</module>
        <module>lagou-cloud-eureka-server-8761</module>
    </modules>
    
    <packaging>pom</packaging>
    <properties>
        <maven.compiler.source>8</maven.compiler.source>
        <maven.compiler.target>8</maven.compiler.target>
    </properties>
    
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.6.RELEASE</version>
    </parent>
    
    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>Greenwich.RELEASE</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>
    <dependencies>
        
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-logging</artifactId>
        </dependency>
        
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.18.4</version>
            <scope>provided</scope>
        </dependency>
        
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>
        
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <optional>true</optional>
        </dependency>
        
        
        
        
    </dependencies>
    <build>
        <plugins>
            
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>8</source>
                    <target>8</target>
                    <encoding>utf-8</encoding>
                </configuration>
            </plugin>
            
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>
</project>

pom

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <parent>
        <artifactId>lagou-parent</artifactId>
        <groupId>com.lhj.learn</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>lagou-cloud-eureka-server-8761</artifactId>

    <properties>
        <maven.compiler.source>8</maven.compiler.source>
        <maven.compiler.target>8</maven.compiler.target>
    </properties>
    <dependencies>
        
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
        </dependency>

    </dependencies>
</project>

Answer 1

启动类代码贴下