解决-Dmaven.multiModuleProjectDirectory system property is not set. Check $M2_HOME environment variable and mvn script match.
1.添加M2_HOME的环境变量,值为maven的安装目录,如E:\maven\apache-maven-3.3.9
2.Preference->Java->Installed JREs->Edit 选择一个jdk,
添加 -Dmaven.multiModuleProjectDirectory=$M2_HOME
-Dmaven.multiModuleProjectDirectory=$M2_HOME