# maven.cmd 上方设置此变量

set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000

# 移除变量
set maven_opts=

vscdoe  launch.json 上 填写 attach ,端口(port)填写 

{

    // See https://go.microsoft.com/fwlink/?LinkId=733558

    // for the documentation about the tasks.json format

    "version": "2.0.0",

    "tasks": [

        {

            "label": "Tomcat debug",

            "type": "shell",

            "command": "mvn tomcat7:run",

            "group": "build",

            "problemMatcher": [],

            "isBackground": false,

            "options": {

                "env": {

                    "maven_opts": "-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000"

                }

            }

        }

    ]

}