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1. start Jetty server under debug mode via mvn jetty:run


2. In Eclipse, create a new Debug configuration->Remote Java Application


Specify Host as localhost and port 8000:


Click debug button:


You should observe that the Jetty server listening to port 8000 has accepted this debug request and start application via localhost:8080 now:


3. go to localhost:8080, perform action to trigger the breakpoint:


And now in Eclipse, breakpoint is triggered!


Note: if you meet with error message “bind error, address already in use”, please first use “netstat -lp” to find the process id which occupies the address and kill that process by kill -9 <pid>.



If still does not work, restart the virtual machine instance.

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