From 0d5fc90dc5e004a7f60c70a67b60abd676267837 Mon Sep 17 00:00:00 2001
From: Trustin Lee <trustin@gmail.com>
Date: Fri, 24 Jul 2009 01:30:48 +0000
Subject: [PATCH] Log the warning only once

---
 .../java/org/jboss/netty/channel/DefaultChannelFuture.java    | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/org/jboss/netty/channel/DefaultChannelFuture.java b/src/main/java/org/jboss/netty/channel/DefaultChannelFuture.java
index 52618b7501..a0828f8acf 100644
--- a/src/main/java/org/jboss/netty/channel/DefaultChannelFuture.java
+++ b/src/main/java/org/jboss/netty/channel/DefaultChannelFuture.java
@@ -51,6 +51,7 @@ public class DefaultChannelFuture implements ChannelFuture {
     private static final Throwable CANCELLED = new Throwable();
 
     private static volatile boolean useDeadLockChecker = true;
+    private static boolean disabledDeadLockCheckerOnce;
 
     /**
      * Returns {@code true} if and only if the dead lock checker is enabled.
@@ -64,7 +65,8 @@ public class DefaultChannelFuture implements ChannelFuture {
      * disable the dead lock checker.  Disable it at your own risk!
      */
     public static void setUseDeadLockChecker(boolean useDeadLockChecker) {
-        if (!useDeadLockChecker) {
+        if (!useDeadLockChecker && !disabledDeadLockCheckerOnce) {
+            disabledDeadLockCheckerOnce = true;
             logger.debug(
                     "The dead lock checker in " +
                     DefaultChannelFuture.class.getSimpleName() +