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. 直接的解决方法:使用低版本的maven 可以设一个环境变量M2_HOME指向你的maven安装目录 M2_HOME=D:\Apps\apache-maven-3.3
问题: 在Eclipse中运行Web项目Jsp网页启动Tomcat时提示端口被占用: Several ports (8005, 8080, 8009) required by Tomcat v9.0 Server at localhost are already in use. The server may already be running in another process, or a system process may be using the port. To start this