Only suppress ClosedChannelExceptions

ProtocolLib/pom.xml

@@ -243,6 +243,12 @@
   </developers>
 
   <dependencies>
+    <!-- This is for the JavaDocs
+    <dependency>
+	  <groupId>io.netty</groupId>
+	  <artifactId>netty-all</artifactId>
+	  <version>4.0.28.Final</version>
+    </dependency> -->
     <dependency>
       <groupId>cglib</groupId>
       <artifactId>cglib-nodep</artifactId>

ProtocolLib/src/main/java/com/comphenix/protocol/compat/netty/independent/NettyChannelInjector.java

@@ -284,13 +284,11 @@ public class NettyChannelInjector extends ByteToMessageDecoder implements Channe
 
 			ChannelHandlerAdapter exceptionHandler = new ChannelHandlerAdapter() {
 				@Override
-				public void exceptionCaught(ChannelHandlerContext context, Throwable ex) throws Exception {
+				public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
-					if (ex instanceof ClosedChannelException) {
+					if (cause instanceof ClosedChannelException) {
 						// Ignore
 					} else {
-						// TODO Actually handle exceptions?
+						super.exceptionCaught(ctx, cause);
-						System.err.println("[ProtocolLib] Encountered an uncaught exception in the channel pipeline:");
-						ex.printStackTrace();
 					}
 				}
 			};
@@ -821,7 +819,7 @@ public class NettyChannelInjector extends ByteToMessageDecoder implements Channe
 				// we end up with a deadlock. The main thread is waiting for the worker thread to process the task, and
 			    // the worker thread is waiting for the main thread to finish executing PlayerQuitEvent.
 				//
-				// TLDR: Concurrency is hard.
+				// TL;DR: Concurrency is hard.
 				executeInChannelThread(new Runnable() {
 					@Override
 					public void run() {