From a5689a55503c032706bb7b7e4e33a4734eace4b8 Mon Sep 17 00:00:00 2001
From: Dan Mulloy <dmulloy2@live.com>
Date: Thu, 2 Apr 2015 14:28:29 -0400
Subject: [PATCH] Handle uncaught exceptions to avoid console spam

---
 .../injector/netty/ChannelInjector.java       |  1 +
 .../injector/netty/ExceptionHandler.java      | 49 +++++++++++++++++++
 2 files changed, 50 insertions(+)
 create mode 100644 ProtocolLib/src/main/java/com/comphenix/protocol/injector/netty/ExceptionHandler.java

diff --git a/ProtocolLib/src/main/java/com/comphenix/protocol/injector/netty/ChannelInjector.java b/ProtocolLib/src/main/java/com/comphenix/protocol/injector/netty/ChannelInjector.java
index 5d0f702f..0de69be8 100644
--- a/ProtocolLib/src/main/java/com/comphenix/protocol/injector/netty/ChannelInjector.java
+++ b/ProtocolLib/src/main/java/com/comphenix/protocol/injector/netty/ChannelInjector.java
@@ -252,6 +252,7 @@ class ChannelInjector extends ByteToMessageDecoder implements Injector {
 			originalChannel.pipeline().addBefore("decoder", "protocol_lib_decoder", this);
 			originalChannel.pipeline().addBefore("protocol_lib_decoder", "protocol_lib_finish", finishHandler);
 			originalChannel.pipeline().addAfter("encoder", "protocol_lib_encoder", protocolEncoder);
+			originalChannel.pipeline().addLast("protocol_lib_exception_handler", new ExceptionHandler());
 
 			// Intercept all write methods
 			channelField.setValue(new ChannelProxy(originalChannel, MinecraftReflection.getPacketClass()) {
diff --git a/ProtocolLib/src/main/java/com/comphenix/protocol/injector/netty/ExceptionHandler.java b/ProtocolLib/src/main/java/com/comphenix/protocol/injector/netty/ExceptionHandler.java
new file mode 100644
index 00000000..3cc29c13
--- /dev/null
+++ b/ProtocolLib/src/main/java/com/comphenix/protocol/injector/netty/ExceptionHandler.java
@@ -0,0 +1,49 @@
+/**
+ *  ProtocolLib - Bukkit server library that allows access to the Minecraft protocol.
+ *  Copyright (C) 2015 dmulloy2
+ *
+ *  This program is free software; you can redistribute it and/or modify it under the terms of the
+ *  GNU General Public License as published by the Free Software Foundation; either version 2 of
+ *  the License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *  See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with this program;
+ *  if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ *  02111-1307 USA
+ */
+package com.comphenix.protocol.injector.netty;
+
+import io.netty.channel.ChannelHandler;
+import io.netty.channel.ChannelHandlerContext;
+
+import java.nio.channels.ClosedChannelException;
+
+/**
+ * @author dmulloy2
+ */
+
+public class ExceptionHandler implements ChannelHandler {
+
+	@Override
+	public void exceptionCaught(ChannelHandlerContext context, Throwable ex) throws Exception {
+		if (ex instanceof ClosedChannelException) {
+			// Ignore
+		} else {
+			System.err.println("[ProtocolLib] Encountered an uncaught exception in the channel pipeline:");
+			ex.printStackTrace();
+		}
+	}
+
+	@Override
+	public void handlerAdded(ChannelHandlerContext context) throws Exception {
+		// Ignore
+	}
+
+	@Override
+	public void handlerRemoved(ChannelHandlerContext context) throws Exception {
+		// Ignore
+	}
+}
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