maven打包报错Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:1.4.2.RELEASE:repa

Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:2.0.3.RELEASE:repackage (default) on project web-children: Execution default of goal org.springframework.boot:spring-boot-maven-plugin:2.0.3.RELEASE:repackage failed: Unable to find main class -> [Help 1]

第一次打包springboot的项目疏忽了 main方法是唯一的启动方法。

加上main方法,在打包