From 8d7f1e282037ae13228e9a19dd22be9445fea6dd Mon Sep 17 00:00:00 2001
From: Norman Maurer <nmaurer@redhat.com>
Date: Fri, 8 Mar 2013 15:11:29 +0100
Subject: [PATCH] Add stacktrace to the IllegalStateException which is thrown
 if a Promise was notified before

---
 .../main/java/io/netty/util/concurrent/DefaultPromise.java    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/common/src/main/java/io/netty/util/concurrent/DefaultPromise.java b/common/src/main/java/io/netty/util/concurrent/DefaultPromise.java
index d7435e8e05..b8e089dc21 100644
--- a/common/src/main/java/io/netty/util/concurrent/DefaultPromise.java
+++ b/common/src/main/java/io/netty/util/concurrent/DefaultPromise.java
@@ -357,7 +357,7 @@ public class DefaultPromise implements Promise {
             notifyListeners();
             return this;
         }
-        throw new IllegalStateException();
+        throw new IllegalStateException("Promise was completed before");
     }
 
     @Override
@@ -375,7 +375,7 @@ public class DefaultPromise implements Promise {
             notifyListeners();
             return this;
         }
-        throw new IllegalStateException();
+        throw new IllegalStateException("Promise was completed before", cause);
     }
 
     @Override