原因：因为你的编译工具（eclipse/Myeclipse...）没有添加jdk、添加M2_HOME的环境变量。
解决：
①：window->Preferences->java->Installed JREs->Edit 选择一个点击Edit
②：添加 -Dmaven.multiModuleProjectDirectory=$M2_HOME
③：点击Finish即可。
希望对你有用！！！！
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