Baidu: http://blog.csdn.net/jamesjxin/article/details/46606307 did not find which package was missing
maomao idea:
(1) Has the project become popular? have
(2) Pom.xml has become popular , which package is missing? Missing xxxx.jar package
(3) Is there a xxx.jar package? have
(4) Why can't the project start? clean project
(5) Why doesn't it work after cleaning? Problems , makers report an error
（6）Update marven
(7) Not yet? Validate disable all
(8) Build publish is successful