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>

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 e30ce5b47e961f87adccebcce363f2092da9c165..4fee930eff7db3c3ecfe5beb0bd113c9acfd5366 100644 (file)
--- 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);