Linux:
关闭防火墙
vim catalina.sh
export CATALINA_OPTS="-server -Xdebug -Xnoagent -Djava.compiler=NONE -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=8000"
I bumped up the debug timeout (Windows/Preferences/Java/Debug/Communication/Debugger timeout) and restarted both the admin server and the managed server where the application is deployed and is listening on the debug port.
Debugger timeout
Launch timeout
Windows/Preferences/Network Connections
Active provider :direct