From 72fbc45a19eab04184e1e3e97ad7be6818d97742 Mon Sep 17 00:00:00 2001
From: Christian <cpw@weeksfamily.ca>
Date: Tue, 27 May 2014 17:59:53 -0400
Subject: [PATCH] If a packet is not handled by the channel, log it, and clear
 it. Could be spammy, but this is a serious bug and could cause a memory leak
 otherwise.

---
 .../mods/fml/common/network/internal/FMLProxyPacket.java   | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/fml/src/main/java/cpw/mods/fml/common/network/internal/FMLProxyPacket.java b/fml/src/main/java/cpw/mods/fml/common/network/internal/FMLProxyPacket.java
index a732518ff..82d42d9ee 100644
--- a/fml/src/main/java/cpw/mods/fml/common/network/internal/FMLProxyPacket.java
+++ b/fml/src/main/java/cpw/mods/fml/common/network/internal/FMLProxyPacket.java
@@ -12,6 +12,7 @@ import net.minecraft.network.play.client.C17PacketCustomPayload;
 import net.minecraft.network.play.server.S3FPacketCustomPayload;
 import org.apache.logging.log4j.Level;
 import cpw.mods.fml.common.FMLLog;
+import cpw.mods.fml.common.network.ByteBufUtils;
 import cpw.mods.fml.common.network.FMLNetworkException;
 import cpw.mods.fml.common.network.NetworkRegistry;
 import cpw.mods.fml.common.network.handshake.NetworkDispatcher;
@@ -68,7 +69,11 @@ public class FMLProxyPacket extends Packet {
             internalChannel.attr(NetworkRegistry.NET_HANDLER).set(this.netHandler);
             try
             {
-                internalChannel.writeInbound(this);
+                if (internalChannel.writeInbound(this))
+                {
+                    FMLLog.severe("A packet for channel %s for side %s was not processed by the embedded channel - it has been dropped. Payload\n%s", this.channel, this.target, ByteBufUtils.getContentDump(this.payload));
+                }
+                internalChannel.inboundMessages().clear();
             }
             catch (FMLNetworkException ne)
             {