转：system propery is not set. Check $M2_HOME environment variable and mvn script match.

eclipse中使用maven插件的时候，运行run as maven build的时候报错

-Dmaven.multiModuleProjectDirectory system propery is not set. Check $M2_HOME environment variable and mvn script match.

解决方法：
Preference->Java->Installed JREs->Edit 选择一个jdk,

-Dmaven.multiModuleProjectDirectory=$M2_HOME

原文地址：http://www.cnblogs.com/sprinng/p/5141233.html