papermc/Spigot-Server-Patches/0164-Raise-string-limit-for-packet-serialization.patch

From 1694ca577a1e9873bca5a85bb5a4d60e061ffe80 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Wed, 21 Sep 2016 23:54:20 -0400
Subject: [PATCH] Raise string limit for packet serialization

The default limit is possible to hit with 50 page books with color codes, causing clients to disconnect.

Bump the limit up a hair to above currently seen sizes.

diff --git a/src/main/java/net/minecraft/server/PacketDataSerializer.java b/src/main/java/net/minecraft/server/PacketDataSerializer.java
index 7a66195..68e8c46 100644
--- a/src/main/java/net/minecraft/server/PacketDataSerializer.java
+++ b/src/main/java/net/minecraft/server/PacketDataSerializer.java
@@ -297,8 +297,8 @@ public class PacketDataSerializer extends ByteBuf {
     public PacketDataSerializer a(String s) {
         byte[] abyte = s.getBytes(Charsets.UTF_8);
 
-        if (abyte.length > 32767) {
-            throw new EncoderException("String too big (was " + abyte.length + " bytes encoded, max " + 32767 + ")");
+        if (abyte.length > 44767) { // Paper - raise limit a bit more as normal means can trigger this
+            throw new EncoderException("String too big (was " + s.length() + " bytes encoded, max " + 44767 + ")"); // Paper
         } else {
             this.d(abyte.length);
             this.writeBytes(abyte);
-- 
2.9.3