Clustering : NPE thrown on follower when trying to find Primary Shard

2015-04-22 21:59:10.463 GMT-00:00 [CommitFutures-0] ERROR o.o.c.s.c.n.s.NetconfDeviceDatastoreAdapter - RemoteDevice

: Transaction(init) DOM-0 FAILED!
org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException: canCommit execution failed
at org.opendaylight.controller.md.sal.dom.broker.impl.TransactionCommitFailedExceptionMapper.newWithCause(TransactionCommitFailedExceptionMapper.java:37) [na:na]
at org.opendaylight.controller.md.sal.dom.broker.impl.TransactionCommitFailedExceptionMapper.newWithCause(TransactionCommitFailedExceptionMapper.java:18) [na:na]
at org.opendaylight.yangtools.util.concurrent.ExceptionMapper.apply(ExceptionMapper.java:80) [na:na]
at org.opendaylight.controller.md.sal.dom.broker.impl.DOMDataCommitCoordinatorImpl$CommitCoordinationTask.canCommitBlocking(DOMDataCommitCoordinatorImpl.java:190) [na:na]
at org.opendaylight.controller.md.sal.dom.broker.impl.DOMDataCommitCoordinatorImpl$CommitCoordinationTask.call(DOMDataCommitCoordinatorImpl.java:150) [na:na]
at org.opendaylight.controller.md.sal.dom.broker.impl.DOMDataCommitCoordinatorImpl$CommitCoordinationTask.call(DOMDataCommitCoordinatorImpl.java:127) [na:na]
at org.opendaylight.yangtools.util.concurrent.DeadlockDetectingListeningExecutorService$2.call(DeadlockDetectingListeningExecutorService.java:192) [na:na]
at java.util.concurrent.FutureTask.run(FutureTask.java:262) [na:1.7.0_75]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_75]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_75]
at java.lang.Thread.run(Thread.java:745) [na:1.7.0_75]
Caused by: java.lang.NullPointerException: null
at java.net.URI$Parser.parse(URI.java:3023) [na:1.7.0_75]
at java.net.URI.<init>(URI.java:595) [na:1.7.0_75]
at akka.actor.RelativeActorPath$.unapply(Address.scala:106) [na:na]
at akka.actor.ActorRefFactory$class.actorSelection(ActorRefProvider.scala:313) [na:na]
at akka.actor.ActorSystem.actorSelection(ActorSystem.scala:271) [na:na]
at org.opendaylight.controller.cluster.datastore.utils.ActorContext$2.checkedApply(ActorContext.java:220) [na:na]
at org.opendaylight.controller.cluster.datastore.utils.ActorContext$2.checkedApply(ActorContext.java:213) [na:na]
at akka.dispatch.Mapper.apply(Future.scala:347) [na:na]
at scala.concurrent.Future$$anonfun$transform$1$$anonfun$apply$1.apply(Future.scala:221) [na:na]
at scala.util.Try$.apply(Try.scala:161) [na:na]
at scala.concurrent.Future$$anonfun$transform$1.apply(Future.scala:220) [na:na]
at scala.concurrent.Future$$anonfun$transform$1.apply(Future.scala:220) [na:na]
at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:32) [na:na]
at akka.dispatch.BatchingExecutor$Batch$$anonfun$run$1.processBatch$1(BatchingExecutor.scala:67) [na:na]
at akka.dispatch.BatchingExecutor$Batch$$anonfun$run$1.apply$mcV$sp(BatchingExecutor.scala:82) [na:na]
at akka.dispatch.BatchingExecutor$Batch$$anonfun$run$1.apply(BatchingExecutor.scala:59) [na:na]
at akka.dispatch.BatchingExecutor$Batch$$anonfun$run$1.apply(BatchingExecutor.scala:59) [na:na]
at scala.concurrent.BlockContext$.withBlockContext(BlockContext.scala:72) [na:na]
at akka.dispatch.BatchingExecutor$Batch.run(BatchingExecutor.scala:58) [na:na]
at akka.dispatch.TaskInvocation.run(AbstractDispatcher.scala:41) [na:na]
at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:393) [na:na]
at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) [na:na]
at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) [na:na]
at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) [na:na]
at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) [na:na]