my configuration

lua/kickstart/plugins/debug.lua

@@ -29,6 +29,7 @@ return {
       -- Makes a best effort to setup the various debuggers with
       -- reasonable debug configurations
       automatic_setup = true,
+      automatic_installation = true,
 
       -- You can provide additional configuration to the handlers,
       -- see mason-nvim-dap README for more information
@@ -38,7 +39,8 @@ return {
       -- online, please don't ask me how to install them :)
       ensure_installed = {
         -- Update this to ensure that you have the debuggers for the langs you want
-        'delve',
+        'java-test',
+        'java-debug-adapter',
       },
     }