2017-11-07 14:05:00,990 | WARN  | lt-dispatcher-16 | DataStoreAppConfigMetadata       | 178 - org.opendaylight.controller.blueprint - 0.5.3.Boron-SR3 | org.opendaylight.aaa.cert (aaaCertDefaultConfig): R
ead of app config org.opendaylight.yang.gen.v1.urn.opendaylight.yang.aaa.cert.rev151126.AaaCertServiceConfig failed - retrying
ReadFailedException{message=Error executeRead ReadData for path /(urn:opendaylight:yang:aaa:cert?revision=2015-11-26)aaa-cert-service-config, errorList=[RpcError [message=Error executeRead ReadData for p
ath /(urn:opendaylight:yang:aaa:cert?revision=2015-11-26)aaa-cert-service-config, severity=ERROR, errorType=APPLICATION, tag=operation-failed, applicationTag=null, info=null, cause=org.opendaylight.contr
oller.md.sal.common.api.data.DataStoreUnavailableException: Shard member-3-shard-default-config currently has no leader. Try again later.]]}
	at org.opendaylight.controller.cluster.datastore.NoOpTransactionContext.executeRead(NoOpTransactionContext.java:67)[201:org.opendaylight.controller.sal-distributed-datastore:1.4.3.Boron-SR3]
	at org.opendaylight.controller.cluster.datastore.TransactionProxy$1.invoke(TransactionProxy.java:93)[201:org.opendaylight.controller.sal-distributed-datastore:1.4.3.Boron-SR3]
	at org.opendaylight.controller.cluster.datastore.TransactionContextWrapper.executePriorTransactionOperations(TransactionContextWrapper.java:132)[201:org.opendaylight.controller.sal-distributed-da
tastore:1.4.3.Boron-SR3]
	at org.opendaylight.controller.cluster.datastore.AbstractTransactionContextFactory.onFindPrimaryShardFailure(AbstractTransactionContextFactory.java:109)[201:org.opendaylight.controller.sal-distri
buted-datastore:1.4.3.Boron-SR3]
	at org.opendaylight.controller.cluster.datastore.AbstractTransactionContextFactory.access$100(AbstractTransactionContextFactory.java:37)[201:org.opendaylight.controller.sal-distributed-datastore:
1.4.3.Boron-SR3]
	at org.opendaylight.controller.cluster.datastore.AbstractTransactionContextFactory$1.onComplete(AbstractTransactionContextFactory.java:135)[201:org.opendaylight.controller.sal-distributed-datasto
re:1.4.3.Boron-SR3]
	at org.opendaylight.controller.cluster.datastore.AbstractTransactionContextFactory$1.onComplete(AbstractTransactionContextFactory.java:129)[201:org.opendaylight.controller.sal-distributed-datasto
re:1.4.3.Boron-SR3]
	at akka.dispatch.OnComplete.internal(Future.scala:258)[183:com.typesafe.akka.actor:2.4.7]
	at akka.dispatch.OnComplete.internal(Future.scala:256)[183:com.typesafe.akka.actor:2.4.7]
	at akka.dispatch.japi$CallbackBridge.apply(Future.scala:186)[183:com.typesafe.akka.actor:2.4.7]
	at akka.dispatch.japi$CallbackBridge.apply(Future.scala:183)[183:com.typesafe.akka.actor:2.4.7]
	at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:32)[179:org.scala-lang.scala-library:2.11.8.v20160304-115712-1706a37eb8]
	at akka.dispatch.BatchingExecutor$AbstractBatch.processBatch(BatchingExecutor.scala:55)[183:com.typesafe.akka.actor:2.4.7]
	at akka.dispatch.BatchingExecutor$BlockableBatch$$anonfun$run$1.apply$mcV$sp(BatchingExecutor.scala:91)[183:com.typesafe.akka.actor:2.4.7]
	at akka.dispatch.BatchingExecutor$BlockableBatch$$anonfun$run$1.apply(BatchingExecutor.scala:91)[183:com.typesafe.akka.actor:2.4.7]
	at akka.dispatch.BatchingExecutor$BlockableBatch$$anonfun$run$1.apply(BatchingExecutor.scala:91)[183:com.typesafe.akka.actor:2.4.7]
	at scala.concurrent.BlockContext$.withBlockContext(BlockContext.scala:72)[179:org.scala-lang.scala-library:2.11.8.v20160304-115712-1706a37eb8]
	at akka.dispatch.BatchingExecutor$BlockableBatch.run(BatchingExecutor.scala:90)[183:com.typesafe.akka.actor:2.4.7]
	at akka.dispatch.TaskInvocation.run(AbstractDispatcher.scala:39)[183:com.typesafe.akka.actor:2.4.7]
	at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:409)[183:com.typesafe.akka.actor:2.4.7]
	at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)[179:org.scala-lang.scala-library:2.11.8.v20160304-115712-1706a37eb8]
	at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)[179:org.scala-lang.scala-library:2.11.8.v20160304-115712-1706a37eb8]
	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)[179:org.scala-lang.scala-library:2.11.8.v20160304-115712-1706a37eb8]
	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)[179:org.scala-lang.scala-library:2.11.8.v20160304-115712-1706a37eb8]
Caused by: org.opendaylight.controller.md.sal.common.api.data.DataStoreUnavailableException: Shard member-3-shard-default-config currently has no leader. Try again later.
	at org.opendaylight.controller.cluster.datastore.NoOpTransactionContext.executeRead(NoOpTransactionContext.java:62)[201:org.opendaylight.controller.sal-distributed-datastore:1.4.3.Boron-SR3]
	... 23 more
Caused by: org.opendaylight.controller.cluster.datastore.exceptions.NoShardLeaderException: Shard member-3-shard-default-config currently has no leader. Try again later.
	at org.opendaylight.controller.cluster.datastore.shardmanager.ShardManager.createNoShardLeaderException(ShardManager.java:723)[201:org.opendaylight.controller.sal-distributed-datastore:1.4.3.Boro
n-SR3]
	at org.opendaylight.controller.cluster.datastore.shardmanager.ShardManager.onShardNotInitializedTimeout(ShardManager.java:537)[201:org.opendaylight.controller.sal-distributed-datastore:1.4.3.Boro
n-SR3]
	at org.opendaylight.controller.cluster.datastore.shardmanager.ShardManager.handleCommand(ShardManager.java:216)[201:org.opendaylight.controller.sal-distributed-datastore:1.4.3.Boron-SR3]
	at org.opendaylight.controller.cluster.common.actor.AbstractUntypedPersistentActor.onReceiveCommand(AbstractUntypedPersistentActor.java:29)[195:org.opendaylight.controller.sal-clustering-commons:
1.4.3.Boron-SR3]
	at akka.persistence.UntypedPersistentActor.onReceive(PersistentActor.scala:170)[189:com.typesafe.akka.persistence:2.4.7]
	at org.opendaylight.controller.cluster.common.actor.MeteringBehavior.apply(MeteringBehavior.java:97)[195:org.opendaylight.controller.sal-clustering-commons:1.4.3.Boron-SR3]
	at akka.actor.ActorCell$$anonfun$become$1.applyOrElse(ActorCell.scala:544)[183:com.typesafe.akka.actor:2.4.7]
	at akka.actor.Actor$class.aroundReceive(Actor.scala:484)[183:com.typesafe.akka.actor:2.4.7]
	at akka.persistence.UntypedPersistentActor.akka$persistence$Eventsourced$$super$aroundReceive(PersistentActor.scala:168)[189:com.typesafe.akka.persistence:2.4.7]
	at akka.persistence.Eventsourced$$anon$1.stateReceive(Eventsourced.scala:633)[189:com.typesafe.akka.persistence:2.4.7]
	at akka.persistence.Eventsourced$class.aroundReceive(Eventsourced.scala:179)[189:com.typesafe.akka.persistence:2.4.7]
	at akka.persistence.UntypedPersistentActor.aroundReceive(PersistentActor.scala:168)[189:com.typesafe.akka.persistence:2.4.7]
	at akka.actor.ActorCell.receiveMessage(ActorCell.scala:526)[183:com.typesafe.akka.actor:2.4.7]
	at akka.actor.ActorCell.invoke(ActorCell.scala:495)[183:com.typesafe.akka.actor:2.4.7]
	at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:257)[183:com.typesafe.akka.actor:2.4.7]
	at akka.dispatch.Mailbox.run(Mailbox.scala:224)[183:com.typesafe.akka.actor:2.4.7]
	at akka.dispatch.Mailbox.exec(Mailbox.scala:234)[183:com.typesafe.akka.actor:2.4.7]
	... 4 more