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Return null if we get a ParseException in IChatBaseComponent

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Fixes GH-1471, GH-1474

As a result, data that no longer parses correctly will not crash the server
instead just logging the exception and continuing (and in most cases should
fix the data)

Player data is fixed pretty much immediately but some block data (like
Shulkers) may need to be modified in-game in order for it to re-save
properly

No more crashing though.
This commit is contained in:
Zach Brown 2018-09-22 15:58:13 -04:00
parent 042e018bb1
commit e62f3ae259
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1 changed files with 41 additions and 0 deletions
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Spigot-Server-Patches/0380-Return-null-if-we-get-a-ParseException-in-IChatBaseC.patch Normal file
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@ -0,0 +1,41 @@
From a0d5ac4f248c2c822d9a070ce284d684cf0eccf6 Mon Sep 17 00:00:00 2001
From: Zach Brown <zach.brown@destroystokyo.com>
Date: Sat, 22 Sep 2018 15:56:59 -0400
Subject: [PATCH] Return null if we get a ParseException in IChatBaseComponent
This is allowed as the method is explicitly marked as nullable and is
preferable to returning an empty string in this instance.
As a result, data that no longer parses correctly will not crash the server
instead just logging the exception and continuing (and in most cases should
fix the data)
Player data is fixed pretty much immediately but some block data (like
Shulkers) may need to be changed in order for it to re-save properly
No more crashing though.
diff --git a/src/main/java/net/minecraft/server/IChatBaseComponent.java b/src/main/java/net/minecraft/server/IChatBaseComponent.java
index ff14b3e09..03c148f4f 100644
--- a/src/main/java/net/minecraft/server/IChatBaseComponent.java
+++ b/src/main/java/net/minecraft/server/IChatBaseComponent.java
@@ -357,7 +357,15 @@ public interface IChatBaseComponent extends Message, Iterable<IChatBaseComponent
@Nullable public static IChatBaseComponent jsonToComponent(String json) { return a(json);} // Paper - OBFHELPER
@Nullable
public static IChatBaseComponent a(String s) {
- return (IChatBaseComponent)ChatDeserializer.a(a, s, IChatBaseComponent.class, false);
+ // Paper start - Catch parse exception and return null
+ try {
+ return (IChatBaseComponent)ChatDeserializer.a(a, s, IChatBaseComponent.class, false);
+ } catch (JsonParseException ex) {
+ org.bukkit.Bukkit.getLogger().severe("Unable to deserialize component: " + s);
+ ex.printStackTrace();
+ return null;
+ }
+ // Paper end
}
@Nullable
--
2.19.0