Force java-8 for meghanada and fix simple bug

custom.el

@@ -89,6 +89,8 @@
      magit-insert-unpushed-to-upstream-or-recent
      magit-insert-unpulled-from-pushremote
      magit-insert-unpulled-from-upstream))
+ '(meghanada-java-path
+   "/usr/lib/jvm/java-8-openjdk/jre/bin/java")
  '(menu-bar-mode nil)
  '(org-babel-load-languages
    '((emacs-lisp . t)

elpa/meghanada-1.3.1/meghanada.el

@@ -1892,11 +1892,12 @@ If there are unimported classes, we will automatically import them as much as po
                                  (meghanada--what-column)
                                  (format "\"%s\"" symbol))))
           (when output
-              (let ((file (nth 0 output))
-                    (line (nth 1 output))
-                    (column (nth 2 output)))
-                (list (xref-make file (xref-make-file-location file line column))))))
-        (message "client connection not established"))))
+            (let ((file (nth 0 output))
+                  (line (nth 1 output))
+                  (column (nth 2 output)))
+              (list (xref-make file (xref-make-file-location file line column))))))
+        )
+    (message "client connection not established")))
 
 (cl-defmethod xref-backend-references ((_backend (eql meghanada)) symbol)
   (if (and meghanada--server-process (process-live-p meghanada--server-process))