SpringCloud版本问题

时间：2021-02-15 09:19:13

兴致勃勃地跟随文档创建并配置Eureka Server工程后，启动准备测试，发现报了java.lang.NoSuchMethodError: org.springframework.boot.builder.SpringApplicationBuilder导致启动失败，下面就来分析下原因：

一、问题：

SpringBoot工程在配置Eureka Server后启动报错：

12:37:49.426 [main] ERROR org.springframework.boot.SpringApplication - Application run failed

java.lang.NoSuchMethodError: org.springframework.boot.builder.SpringApplicationBuilder.<init>([Ljava/lang/Object;)V

    at org.springframework.cloud.bootstrap.BootstrapApplicationListener.bootstrapServiceContext(BootstrapApplicationListener.java:157)

    at org.springframework.cloud.bootstrap.BootstrapApplicationListener.onApplicationEvent(BootstrapApplicationListener.java:98)

    at org.springframework.cloud.bootstrap.BootstrapApplicationListener.onApplicationEvent(BootstrapApplicationListener.java:64)

    at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)

    at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)

    at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)

    at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:127)

    at org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:75)

    at org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:54)

    at org.springframework.boot.SpringApplication.prepareEnvironment(SpringApplication.java:347)

    at org.springframework.boot.SpringApplication.run(SpringApplication.java:306)

    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260)

    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248)

    at com.zrk.eurekaserver.EurekaServerApplication.main(EurekaServerApplication.java:12)

二、原因

原因是SpringCloud与SpringBoot版本兼容问题

<parent>

        <groupId>org.springframework.boot</groupId>

        <artifactId>spring-boot-starter-parent</artifactId>

        <version>2.1.3.RELEASE</version>

        <relativePath/> <!-- lookup parent from repository -->

    </parent>

    <groupId>com.zrk</groupId>

    <artifactId>eureka-server</artifactId>

    <version>0.0.1-SNAPSHOT</version>

    <name>eureka-server</name>

    <description>Eureka Server</description>

    <properties>

        <java.version>1.8</java.version>

    </properties>

    <!-- 使用dependencyManagement进行版本管理 -->

    <dependencyManagement>

        <dependencies>

            <dependency>

                <groupId>org.springframework.cloud</groupId>

                <artifactId>spring-cloud-dependencies</artifactId>

                <version>Dalston.SR5</version>

                <type>pom</type>

                <scope>import</scope>

            </dependency>

        </dependencies>

    </dependencyManagement>

用的SpringCloud版本为Dalston.SR5,SpringBoot版本为2.1.3.RELEASE，而参考官方文档SpringCloud发布版本对应的SpringBoot兼容版本如下：

Table 1. Release train Spring Boot compatibility
Release Train Boot Version

Greenwich

2.1.x

Finchley

2.0.x

Edgware

1.5.x

Dalston

1.5.x

三、解决

将SpringBoot版本调整为1.5.6.RELEASE再启动就没有问题了

四、相关参考

SpringCloud官方文档：https://spring.io/projects/spring-cloud

SpringCloud版本：https://blog.csdn.net/i_hanjt/article/details/81947366

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