11:40:27.424 ERROR [opendaylight-cluster-data-notification-dispatcher-49] Failed to process notification DefaultDataTreeCandidate{rootPath=/(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)network-topology, rootNode=ChildNode{mod = ModifiedNode{identifier=(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)network-topology, operation=MERGE, modificationType=SUBTREE_MODIFIED, childModification={(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)topology=ModifiedNode{identifier=(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)topology, operation=MERGE, modificationType=SUBTREE_MODIFIED, childModification={(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)topology[{(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)topology-id=topology-netconf}]=ModifiedNode{identifier=(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)topology[{(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)topology-id=topology-netconf}], operation=MERGE, modificationType=SUBTREE_MODIFIED, childModification={(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)topology-id=ModifiedNode{identifier=(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)topology-id, operation=MERGE, modificationType=WRITE}, (urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)node=ModifiedNode{identifier=(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)node, operation=MERGE, modificationType=WRITE, childModification={(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)node[{(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)node-id=testtool}]=ModifiedNode{identifier=(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)node[{(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)node-id=testtool}], operation=WRITE, modificationType=WRITE}}}}}}}}}, oldMeta = MaterializedContainerNode{version=org.opendaylight.yangtools.yang.data.spi.tree.Version@56051d36, subtreeVersion=org.opendaylight.yangtools.yang.data.spi.tree.Version@2d0ee786, children={(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)topology=MaterializedContainerNode{version=org.opendaylight.yangtools.yang.data.spi.tree.Version@56051d36, subtreeVersion=org.opendaylight.yangtools.yang.data.spi.tree.Version@2d0ee786, children={(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)topology[{(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)topology-id=topology-netconf}]=MaterializedContainerNode{version=org.opendaylight.yangtools.yang.data.spi.tree.Version@56051d36, subtreeVersion=org.opendaylight.yangtools.yang.data.spi.tree.Version@2d0ee786, children={(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)topology-id=ValueNode{version=org.opendaylight.yangtools.yang.data.spi.tree.Version@64a0f69e, value=ImmutableLeafNode{identifier=(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)topology-id, body=topology-netconf}}}}}}}}, newMeta = MaterializedContainerNode{version=org.opendaylight.yangtools.yang.data.spi.tree.Version@56051d36, subtreeVersion=org.opendaylight.yangtools.yang.data.spi.tree.Version@539fec60, children={(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)topology=MaterializedContainerNode{version=org.opendaylight.yangtools.yang.data.spi.tree.Version@56051d36, subtreeVersion=org.opendaylight.yangtools.yang.data.spi.tree.Version@539fec60, children={(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)topology[{(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)topology-id=topology-netconf}]=MaterializedContainerNode{version=org.opendaylight.yangtools.yang.data.spi.tree.Version@56051d36, subtreeVersion=org.opendaylight.yangtools.yang.data.spi.tree.Version@539fec60, children={(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)topology-id=ValueNode{version=org.opendaylight.yangtools.yang.data.spi.tree.Version@539fec60, value=ImmutableLeafNode{identifier=(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)topology-id, body=topology-netconf}}, (urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)node=SimpleContainerNode{version=org.opendaylight.yangtools.yang.data.spi.tree.Version@539fec60, data=ImmutableMapNode{identifier=(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)node, body=[ImmutableMapEntryNode{identifier=(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)node[{(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)node-id=testtool}], body=[ImmutableLeafNode{identifier=(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)node-id, body=testtool}, ImmutableAugmentationNode{identifier=AugmentationIdentifier{childNames=[(urn:opendaylight:netconf-node-topology?revision=2015-01-14)sleep-factor, (urn:opendaylight:netconf-node-topology?revision=2015-01-14)default-request-timeout-millis, (urn:opendaylight:netconf-node-topology?revision=2015-01-14)ignore-missing-schema-sources, (urn:opendaylight:netconf-node-topology?revision=2015-01-14)yang-module-capabilities, (urn:opendaylight:netconf-node-topology?revision=2015-01-14)host, (urn:opendaylight:netconf-node-topology?revision=2015-01-14)yang-library, (urn:opendaylight:netconf-node-topology?revision=2015-01-14)schemaless, (urn:opendaylight:netconf-node-topology?revision=2015-01-14)reconnect-on-changed-schema, (urn:opendaylight:netconf-node-topology?revision=2015-01-14)clustered-connection-status, (urn:opendaylight:netconf-node-topology?revision=2015-01-14)odl-hello-message-capabilities, (urn:opendaylight:netconf-node-topology?revision=2015-01-14)schema-cache-directory, (urn:opendaylight:netconf-node-topology?revision=2015-01-14)credentials, (urn:opendaylight:netconf-node-topology?revision=2015-01-14)concurrent-rpc-limit, (urn:opendaylight:netconf-node-topology?revision=2015-01-14)unavailable-capabilities, (urn:opendaylight:netconf-node-topology?revision=2015-01-14)port, (urn:opendaylight:netconf-node-topology?revision=2015-01-14)connection-timeout-millis, (urn:opendaylight:netconf-node-topology?revision=2015-01-14)tcp-only, (urn:opendaylight:netconf-node-topology?revision=2015-01-14)non-module-capabilities, (urn:opendaylight:netconf-node-topology?revision=2015-01-14)pass-through, (urn:opendaylight:netconf-node-topology?revision=2015-01-14)protocol, (urn:opendaylight:netconf-node-topology?revision=2015-01-14)between-attempts-timeout-millis, (urn:opendaylight:netconf-node-topology?revision=2015-01-14)actor-response-wait-time, (urn:opendaylight:netconf-node-topology?revision=2015-01-14)connection-status, (urn:opendaylight:netconf-node-topology?revision=2015-01-14)connected-message, (urn:opendaylight:netconf-node-topology?revision=2015-01-14)max-connection-attempts, (urn:opendaylight:netconf-node-topology?revision=2015-01-14)available-capabilities, (urn:opendaylight:netconf-node-topology?revision=2015-01-14)keepalive-delay]}, body=[ImmutableLeafNode{identifier=(urn:opendaylight:netconf-node-topology?revision=2015-01-14)port, body=36000}, ImmutableLeafNode{identifier=(urn:opendaylight:netconf-node-topology?revision=2015-01-14)keepalive-delay, body=100}, ImmutableLeafNode{identifier=(urn:opendaylight:netconf-node-topology?revision=2015-01-14)tcp-only, body=false}, ImmutableChoiceNode{identifier=(urn:opendaylight:netconf-node-topology?revision=2015-01-14)credentials, body=[ImmutableLeafNode{identifier=(urn:opendaylight:netconf-node-topology?revision=2015-01-14)username, body=admin}, ImmutableLeafNode{identifier=(urn:opendaylight:netconf-node-topology?revision=2015-01-14)password, body=admin}]}, ImmutableLeafNode{identifier=(urn:opendaylight:netconf-node-topology?revision=2015-01-14)host, body=127.0.0.1}]}]}]}}}}}}}}}} java.lang.IllegalArgumentException: Cannot instantiate on ChoiceEffectiveStatementImpl[qname=(urn:opendaylight:netconf-node-topology?revision=2015-01-14)credentials] at com.google.common.base.Preconditions.checkArgument(Preconditions.java:219) ~[bundleFile:?] at org.opendaylight.yangtools.yang.data.util.NormalizedNodeStreamWriterStack.(NormalizedNodeStreamWriterStack.java:84) ~[bundleFile:?] at org.opendaylight.yangtools.yang.data.util.NormalizedNodeStreamWriterStack.of(NormalizedNodeStreamWriterStack.java:151) ~[bundleFile:?] at org.opendaylight.yangtools.yang.data.codec.gson.JSONNormalizedNodeStreamWriter.createNestedWriter(JSONNormalizedNodeStreamWriter.java:214) ~[bundleFile:?] at org.opendaylight.restconf.common.serializer.JsonDataTreeCandidateSerializer.serializeData(JsonDataTreeCandidateSerializer.java:47) ~[bundleFile:?] at org.opendaylight.restconf.common.serializer.AbstractWebsocketSerializer.serializeLeafNodesOnly(AbstractWebsocketSerializer.java:70) ~[bundleFile:?] at org.opendaylight.restconf.common.serializer.AbstractWebsocketSerializer.serializeLeafNodesOnly(AbstractWebsocketSerializer.java:76) ~[bundleFile:?] at org.opendaylight.restconf.common.serializer.AbstractWebsocketSerializer.serializeLeafNodesOnly(AbstractWebsocketSerializer.java:76) ~[bundleFile:?] at org.opendaylight.restconf.common.serializer.AbstractWebsocketSerializer.serializeLeafNodesOnly(AbstractWebsocketSerializer.java:76) ~[bundleFile:?] at org.opendaylight.restconf.common.serializer.AbstractWebsocketSerializer.serializeLeafNodesOnly(AbstractWebsocketSerializer.java:76) ~[bundleFile:?] at org.opendaylight.restconf.common.serializer.AbstractWebsocketSerializer.serializeLeafNodesOnly(AbstractWebsocketSerializer.java:76) ~[bundleFile:?] at org.opendaylight.restconf.common.serializer.AbstractWebsocketSerializer.serializeLeafNodesOnly(AbstractWebsocketSerializer.java:76) ~[bundleFile:?] at org.opendaylight.restconf.common.serializer.AbstractWebsocketSerializer.serializeLeafNodesOnly(AbstractWebsocketSerializer.java:76) ~[bundleFile:?] at org.opendaylight.restconf.common.serializer.AbstractWebsocketSerializer.serialize(AbstractWebsocketSerializer.java:36) ~[bundleFile:?] at org.opendaylight.restconf.common.formatters.JSONDataTreeCandidateFormatter.createText(JSONDataTreeCandidateFormatter.java:73) ~[bundleFile:?] at org.opendaylight.restconf.common.formatters.JSONDataTreeCandidateFormatter.createText(JSONDataTreeCandidateFormatter.java:26) ~[bundleFile:?] at org.opendaylight.restconf.common.formatters.EventFormatter.eventData(EventFormatter.java:76) ~[bundleFile:?] at org.opendaylight.restconf.nb.rfc8040.streams.listeners.ListenerAdapter.onDataTreeChanged(ListenerAdapter.java:78) ~[bundleFile:?] at org.opendaylight.controller.cluster.datastore.DataTreeChangeListenerActor.dataTreeChanged(DataTreeChangeListenerActor.java:84) ~[bundleFile:?] at org.opendaylight.controller.cluster.datastore.DataTreeChangeListenerActor.handleReceive(DataTreeChangeListenerActor.java:45) ~[bundleFile:?] at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:24) [bundleFile:?] at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:20) [bundleFile:?] at scala.PartialFunction.applyOrElse(PartialFunction.scala:214) [bundleFile:?] at scala.PartialFunction.applyOrElse$(PartialFunction.scala:213) [bundleFile:?] at akka.japi.pf.UnitCaseStatement.applyOrElse(CaseStatements.scala:20) [bundleFile:?] at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:269) [bundleFile:?] at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:270) [bundleFile:?] at akka.actor.Actor.aroundReceive(Actor.scala:537) [bundleFile:?] at akka.actor.Actor.aroundReceive$(Actor.scala:535) [bundleFile:?] at akka.actor.AbstractActor.aroundReceive(AbstractActor.scala:220) [bundleFile:?] at akka.actor.ActorCell.receiveMessage(ActorCell.scala:580) [bundleFile:?] at akka.actor.ActorCell.invoke(ActorCell.scala:548) [bundleFile:?] at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:270) [bundleFile:?] at akka.dispatch.Mailbox.run(Mailbox.scala:231) [bundleFile:?] at akka.dispatch.Mailbox.exec(Mailbox.scala:243) [bundleFile:?] at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:290) [?:?] at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1020) [?:?] at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1656) [?:?] at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1594) [?:?] at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183) [?:?]