papermc/patches/server-remapped/0681-Throw-proper-exception-on-empty-JsonList-file.patch

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2021-06-11 12:02:28 +00:00
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Mariell Hoversholm <proximyst@proximyst.com>
Date: Sun, 1 Nov 2020 16:43:11 +0100
Subject: [PATCH] Throw proper exception on empty JsonList file
diff --git a/src/main/java/net/minecraft/server/players/StoredUserList.java b/src/main/java/net/minecraft/server/players/StoredUserList.java
index e2982a8ac5448110378bc92247952332bdffe12c..71de59cadcbd214b9e3a91a6051f918d9b421b16 100644
--- a/src/main/java/net/minecraft/server/players/StoredUserList.java
+++ b/src/main/java/net/minecraft/server/players/StoredUserList.java
@@ -189,6 +189,7 @@ public abstract class StoredUserList<K, V extends StoredUserEntry<K>> {
try {
JsonArray jsonarray = (JsonArray) StoredUserList.GSON.fromJson(bufferedreader, JsonArray.class);
+ com.google.common.base.Preconditions.checkState(jsonarray != null, "The file \"" + this.file.getName() + "\" is either empty or corrupt"); // Paper
this.map.clear();
Iterator iterator = jsonarray.iterator();