解决-Dmaven.multiModuleProjectDirectory system property is not set. Check $M2_HOME environment variabl

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


原文地址:https://www.cnblogs.com/beautiful-code/p/6442843.html