Select the Terminate and Relaunch command [ ] to first terminate the selected debug target and secondly, relaunch it.
Once a launch is terminated it can be automatically removed from the Debug View. To change this setting use the Run/Debug > Launching preference page.
Changing debugger launch options
Connecting to a remote VM with the Remote Java application launch configuration
Disconnecting from a VM
Launching a Java program
Preparing to debug
Resuming the execution of suspended threads
Running and debugging
Stepping through the execution of a program
Execution Control Commands
Remove All Terminated Launches
Terminate and Remove