maven中解决：-Dmaven.multiModuleProjectDirectory system property is not set. Check $M2_HOME environment variable and mvn script match.
1.添加M2_HOME的环境变量
2.Preference->Java->Installed JREs->Edit 选择一个jdk,
添加-Dmaven.multiModuleProjectDirectory=$M2_HOME
本文出自 “IT菜鸟” 博客，请务必保留此出处http://mazongfei.blog.51cto.com/3174958/1897820
解决：-Dmaven.multiModuleProjectDirectory system property is not set. Check $M2_HOME
原文：http://mazongfei.blog.51cto.com/3174958/1897820