From 3803cb6c843bfe979909d4f9546bbd92c5995d53 Mon Sep 17 00:00:00 2001
From: Maros Marsalek <mmarsale@cisco.com>
Date: Fri, 20 Dec 2013 11:05:13 +0100
Subject: [PATCH] Fix HashedWheelTimer exception for short living netconf
 clients.

An exception occurred in logs for short living netconf clients created by config persister.
These clients were closed before their initial check timer ran out.

Change-Id: Ic2c998d17788c9b92b72800415fd1ee068611f84
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>
---
 .../netconf/util/AbstractNetconfSessionNegotiator.java         | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/opendaylight/netconf/netconf-util/src/main/java/org/opendaylight/controller/netconf/util/AbstractNetconfSessionNegotiator.java b/opendaylight/netconf/netconf-util/src/main/java/org/opendaylight/controller/netconf/util/AbstractNetconfSessionNegotiator.java
index e30ce5b47e..4fee930eff 100644
--- a/opendaylight/netconf/netconf-util/src/main/java/org/opendaylight/controller/netconf/util/AbstractNetconfSessionNegotiator.java
+++ b/opendaylight/netconf/netconf-util/src/main/java/org/opendaylight/controller/netconf/util/AbstractNetconfSessionNegotiator.java
@@ -124,8 +124,9 @@ public abstract class AbstractNetconfSessionNegotiator<P extends NetconfSessionP
                                 "Session was not established after " + timeout);
                         negotiationFailed(cause);
                         changeState(State.FAILED);
-                    } else
+                    } else if(channel.isOpen()) {
                         channel.pipeline().remove(NAME_OF_EXCEPTION_HANDLER);
+                    }
                 }
             }
         }, INITIAL_HOLDTIMER, TimeUnit.MINUTES);
-- 
2.36.6