Safer JSON Loading

By: Suddenly <suddenly@suddenly.coffee>

paper-server/patches/sources/net/minecraft/server/players/GameProfileCache.java.patch

@@ -53,7 +53,19 @@
  
                              Objects.requireNonNull(list);
                              optional.ifPresent(list::add);
-@@ -261,7 +261,7 @@
+@@ -250,6 +250,11 @@
+             }
+         } catch (FileNotFoundException filenotfoundexception) {
+             ;
++        // Spigot Start
++        } catch (com.google.gson.JsonSyntaxException | NullPointerException ex) {
++            GameProfileCache.LOGGER.warn( "Usercache.json is corrupted or has bad formatting. Deleting it to prevent further issues." );
++            this.file.delete();
++        // Spigot End
+         } catch (JsonParseException | IOException ioexception) {
+             GameProfileCache.LOGGER.warn("Failed to load profile cache {}", this.file, ioexception);
+         }
+@@ -261,7 +266,7 @@
          JsonArray jsonarray = new JsonArray();
          DateFormat dateformat = GameProfileCache.createDateFormat();