Fix jdtls (as much as possible)

init.el

@@ -308,13 +308,14 @@
 ;; Java lsp
 (use-package lsp-java
   :after lsp-mode
-  :hook (java-mode . lsp)
+  :hook (java-ts-mode . lsp-deferred)
   :config
   (setq lsp-java-server-install-dir (getenv "JDTLS_PATH"))
   (defun lsp-java--ls-command ()
     (list "jdt-language-server"
-          "-configuration" "../jdt-configuration"
-          "-data" "../jdt-workspace")))
+          ;; this is called "configuration" for come reasn, its acually a cache
+          "-configuration" (concat (file-name-as-directory (getenv "XDG_CACHE_HOME")) "jdtls")
+          "-data" "../.jdtls")))
 
 ;; Nix support
 (use-package nix-mode