springcloud启动异常： Application failed to start with classpath: [file:/C:/JavaJdk/jdk1.8.0_18........

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报错信息：

10:43:50.466 [main] DEBUG org.springframework.boot.context.logging.ClasspathLoggingApplicationListener - Application failed to start with classpath: [file:/C:/JavaJdk/jdk1.8.0_181/jre/lib/charsets.jar, file:/C:/JavaJdk/jdk1.8.0_181/jre/lib/deploy.jar, file:/C:/JavaJdk/jdk1.8.0_181/jre/lib/ext/access-bridge-64.jar, file:/C:/JavaJdk/jdk1.8.0_181/jre/lib/ext/cldrdata.jar, file:/C:/JavaJdk/jdk1.8.0_181/jre/lib/ext/dnsns.jar, file:/C:/JavaJdk/jdk1.8.0_181/jre/lib/ext/jaccess.jar, file:/C:/JavaJdk/jdk1.8.0_181/jre/lib/ext/jfxrt.jar, file:/C:/JavaJdk/jdk1.8.0_181/jre/lib/ext/localedata.jar, file:/C:/JavaJdk/jdk1.8.0_181/jre/lib/ext/nashorn.jar, file:/C:/JavaJdk/jdk1.8.0_181/jre/lib/ext/sunec.jar......................

java.lang.NoSuchMethodError: org.springframework.boot.builder.SpringApplicationBuilder.<init>([Ljava/lang/Object;)V
    at org.springframework.cloud.bootstrap.BootstrapApplicationListener.bootstrapServiceContext(BootstrapApplicationListener.java:157)..............................

原因：springcloud和springboot 的依赖版本不配套导致

解决办法：在引入springcloud基础包后将对应的apringboot的包改成相对应匹配的包

问题依赖代码：

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.0.6.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>1.8</java.version>
        <spring-cloud.version>Dalston.SR4</spring-cloud.version>
    </properties>

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

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-oauth2</artifactId>
        </dependency>


    </dependencies>

    <dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-dependencies</artifactId>
            <version>${spring-cloud.version}</version>
            <type>pom</type>
            <scope>import</scope>
        </dependency>

    </dependencies>

改正：

将springboot基础代码改为

<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>1.5.13.RELEASE</version>
    <relativePath/> <!-- lookup parent from repository -->
</parent>

其他不变

内容总结

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