Fix HashedWheelTimer exception for short living netconf clients.

[controller.git] / opendaylight / netconf / netconf-util / src / main / java / org / opendaylight / controller / netconf / util / AbstractNetconfSessionNegotiator.java

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);