PaperMC/patches/unapplied/server/0974-Fix-sending-disconnect-packet-in-phases-where-it-doe.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Shane Freeder <theboyetronic@gmail.com>
Date: Thu, 30 May 2024 18:46:15 +0100
Subject: [PATCH] Fix sending disconnect packet in phases where it doesn't
 exist


diff --git a/src/main/java/net/minecraft/network/Connection.java b/src/main/java/net/minecraft/network/Connection.java
index 4b9da6e2140b14f1e56056f5e9e94b2169d85501..55848fa832d0f4d2d03f99df51e10c5fdfcd2ded 100644
--- a/src/main/java/net/minecraft/network/Connection.java
+++ b/src/main/java/net/minecraft/network/Connection.java
@@ -218,7 +218,8 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
                     if (player != null) player.quitReason = org.bukkit.event.player.PlayerQuitEvent.QuitReason.ERRONEOUS_STATE; // Paper - Add API for quit reason
                     if (flag) {
                         Connection.LOGGER.debug("Failed to sent packet", throwable);
-                        if (this.getSending() == PacketFlow.CLIENTBOUND) {
+                        boolean doesDisconnectExist = this.packetListener.protocol() != ConnectionProtocol.STATUS && this.packetListener.protocol() != ConnectionProtocol.HANDSHAKING; // Paper
+                        if (this.getSending() == PacketFlow.CLIENTBOUND && doesDisconnectExist) { // Paper
                             Packet<?> packet = this.sendLoginDisconnect ? new ClientboundLoginDisconnectPacket(ichatmutablecomponent) : new ClientboundDisconnectPacket(ichatmutablecomponent);
 
                             this.send((Packet) packet, PacketSendListener.thenRun(() -> {