spring boot 常见问题 - 01. maven 项目pom.xml 首行报错：Unknow

问题：maven 项目pom.xml 首行报错：Unknow

解决：   添加标红出配置

<properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>1.8</java.version>
        <!-- 解决首行报错  错误 -->
        <spring-cloud.version>Greenwich.SR1</spring-cloud.version>
        <maven-jar-plugin.version>3.1.1</maven-jar-plugin.version>
    </properties>