spring boot打包后,启动找不到主属性清单

这个原因暂未找到,解决方法如下
https://www.cnblogs.com/songpingyi/p/10874583.html

是 spring boot 的maven插件配置问题.
是在打包后的MANIFEST.MF文件有问题
 正常打包有文件内容是
Manifest-Version: 1.0
Archiver-Version: Plexus Archiver
Built-By: YangTG
Start-Class: com.shop.sso.ApplicationSSO
Spring-Boot-Classes: BOOT-INF/classes/
Spring-Boot-Lib: BOOT-INF/lib/
Spring-Boot-Version: 2.1.1.RELEASE
Created-By: Apache Maven 3.2.1
Build-Jdk: 1.8.0_161
Main-Class: org.springframework.boot.loader.JarLauncher