From 217b8e255c05887a30803a6c96abac1d320c3d8b Mon Sep 17 00:00:00 2001
From: Norman Maurer <nmaurer@redhat.com>
Date: Tue, 20 Aug 2013 21:15:05 +0200
Subject: [PATCH] [#1763] Fill ChannelOutboundBuffer.nioBuffers with null on
 close to allow the content to be GC'ed

---
 .../main/java/io/netty/channel/ChannelOutboundBuffer.java    | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/transport/src/main/java/io/netty/channel/ChannelOutboundBuffer.java b/transport/src/main/java/io/netty/channel/ChannelOutboundBuffer.java
index 9daedad818..45be347994 100644
--- a/transport/src/main/java/io/netty/channel/ChannelOutboundBuffer.java
+++ b/transport/src/main/java/io/netty/channel/ChannelOutboundBuffer.java
@@ -30,6 +30,7 @@ import io.netty.util.internal.logging.InternalLoggerFactory;
 
 import java.nio.ByteBuffer;
 import java.nio.channels.ClosedChannelException;
+import java.util.Arrays;
 import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;
 import java.util.concurrent.atomic.AtomicLongFieldUpdater;
 
@@ -463,6 +464,10 @@ public final class ChannelOutboundBuffer {
         } finally {
             tail = unflushed;
             inFail = false;
+
+            // null out the nio buffers array so the can be GC'ed
+            // https://github.com/netty/netty/issues/1763
+            Arrays.fill(nioBuffers, null);
         }
 
         RECYCLER.recycle(this, handle);