2016-12-21 14:10:17,114 | ERROR | pool-63-thread-4 | FederationProducerMgr            | 360 - org.opendaylight.federation.service-impl - 0.1.2.SNAPSHOT | com.google.common.util.concurrent.UncheckedExecutionException: java.lang.RuntimeException: org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation$StreamWriter: frozen class (cannot edit)
com.google.common.util.concurrent.UncheckedExecutionException: com.google.common.util.concurrent.UncheckedExecutionException: java.lang.RuntimeException: org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation$StreamWriter: frozen class (cannot edit)
        at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2203)[38:com.google.guava:18.0.0]
        at com.google.common.cache.LocalCache.get(LocalCache.java:3937)[38:com.google.guava:18.0.0]
        at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:3941)[38:com.google.guava:18.0.0]
        at com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4824)[38:com.google.guava:18.0.0]
        at com.google.common.cache.LocalCache$LocalLoadingCache.getUnchecked(LocalCache.java:4830)[38:com.google.guava:18.0.0]
        at org.opendaylight.yangtools.binding.data.codec.impl.BindingNormalizedNodeCodecRegistry.getSerializer(BindingNormalizedNodeCodecRegistry.java:72)[92:org.opendaylight.mdsal.binding-dom-codec:0.9.2.SNAPSHOT]
        at org.opendaylight.yangtools.binding.data.codec.util.AugmentableDispatchSerializer.emitAugmentation(AugmentableDispatchSerializer.java:77)[92:org.opendaylight.mdsal.binding-dom-codec:0.9.2.SNAPSHOT]
        at org.opendaylight.yangtools.binding.data.codec.util.AugmentableDispatchSerializer.serialize(AugmentableDispatchSerializer.java:51)[92:org.opendaylight.mdsal.binding-dom-codec:0.9.2.SNAPSHOT]
        at org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node$StreamWriter.serialize(DataObjectSerializerPrototype.java)[57:org.opendaylight.mdsal.model.ietf-topology:2013.10.21.9_2-SNAPSHOT]
        at org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology$StreamWriter.serialize(DataObjectSerializerPrototype.java)[57:org.opendaylight.mdsal.model.ietf-topology:2013.10.21.9_2-SNAPSHOT]
        at org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology$StreamWriter.serialize(DataObjectSerializerPrototype.java)[57:org.opendaylight.mdsal.model.ietf-topology:2013.10.21.9_2-SNAPSHOT]
        at org.opendaylight.yangtools.binding.data.codec.impl.BindingNormalizedNodeCodecRegistry$DataObjectSerializerProxy.serialize(BindingNormalizedNodeCodecRegistry.java:295)[92:org.opendaylight.mdsal.binding-dom-codec:0.9.2.SNAPSHOT]
        at org.opendaylight.federation.service.api.message.BindingAwareJsonConverter.jsonStringFromDataObject(BindingAwareJsonConverter.java:147)[359:org.opendaylight.federation.service-api:0.1.2.SNAPSHOT]