在进行mvn打包的时候出现：Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:2.2.1.RELEAS

谷粒学院报错（一）解决

谷粒学院项目在使用mvn打包时报错：

Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:2.2.1.RELEASE:repackage (repackage) on project service_base: Execution repackage of goal org.springframework.boot:spring-boot-maven-plugin:2.2.1.RELEASE:repackage failed: Unable to find main class

原因分析：
项目里面包含了某些工具类的模块，而工具类模块是没有main启动类,但是父工程的pom文件却引用了 springboot默认打包插件 spring-boot-maven-plugin，所以在打包的时候maven会扫描所有的依赖模块,如果发现某个模块下面没有main启动类,就会报错。
解决办法：
将打包插件换成Apache的打包插件。

<plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-compiler-plugin</artifactId><configuration><source>1.8</source><target>1.8</target></configuration></plugin>

如下：

完美解决：

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在进行mvn打包的时候出现：Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:2.2.1.RELEAS

谷粒学院报错（一）解决

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