not quite sure what I've done here

after/ftplugin/java.lua

@@ -13,7 +13,7 @@ local java_dap_install = core.mason.get_pkg_path("java-debug-adapter")
 -- make sure to check if things with 💀 need updating
 local config = {
   cmd = {
-    "/usr/lib/jvm/openjdk21/bin/java", -- 💀
+    "java", -- 💀
     "-jar",
     vim.fn.glob(vim.fs.joinpath(jdtls_install, "plugins/org.eclipse.equinox.launcher_*.jar")),
     "-configuration", jdtls_install.."config_linux",