IllegalStateException while while sending RPC to netconf device

I try to send RPC to subscribe for notification from netconf device.

While invoking YANGTOOLS generated RPC IllegalStateException is thrown:

java.lang.IllegalStateException: No default provider is available
at org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev130315.NotificationsService$$Broker$DirectProxy.createSubscription(NotificationsService$$Broker$DirectProxy.java) ~[na:na]
at org.opendaylight.controller.XXXX.device.app.impl.device.NetconfDevice.registerNotificationListener(NetconfDevice.java:151) ~[na:na]
at org.opendaylight.controller.XXXX.device.app.impl.device.NetconfDevice.getInstance(NetconfDevice.java:61) ~[na:na]
at org.opendaylight.controller.XXXX.device.app.impl.handlers.InventoryHandler.initXXXXNetconfDevice(InventoryHandler.java:122) ~[na:na]
at org.opendaylight.controller.XXXX.device.app.impl.handlers.InventoryHandler.onDataChanged(InventoryHandler.java:88) ~[na:na]
at org.opendaylight.controller.md.sal.binding.impl.ForwardedBackwardsCompatibleDataBroker$BackwardsCompatibleOperationalDataChangeInvoker.onDataChanged(ForwardedBackwardsCompatibleDataBroker.java:434) ~[na:na]
at org.opendaylight.controller.md.sal.binding.impl.AbstractForwardedDataBroker$TranslatingDataChangeInvoker.onDataChanged(AbstractForwardedDataBroker.java:158) ~[na:na]
at org.opendaylight.controller.md.sal.dom.store.impl.ChangeListenerNotifyTask.run(ChangeListenerNotifyTask.java:33) ~[na:na]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) ~[na:1.7.0_25]
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) ~[na:1.7.0_25]
at java.util.concurrent.FutureTask.run(FutureTask.java:166) ~[na:1.7.0_25]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) ~[na:1.7.0_25]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) ~[na:1.7.0_25]
at java.lang.Thread.run(Thread.java:724) ~[na:1.7.0_25]