ERROR message in distribution sanity check

These ERROR is seen when bringing the vpnservice feature in distribution:

016-02-02 04:22:29,594 | ERROR | ult-dispatcher-2 | DataChangeListener | 156 - org.opendaylight.controller.sal-distributed-datastore - 1.3.0.SNAPSHOT | Error notifying listener org.opendaylight.vpnservice.dhcpservice.NodeListener
java.lang.ArrayIndexOutOfBoundsException: 1
at org.opendaylight.vpnservice.dhcpservice.NodeListener.add(NodeListener.java:75)[556:org.opendaylight.vpnservice.dhcpservice-impl:0.2.0.SNAPSHOT]
at org.opendaylight.vpnservice.dhcpservice.NodeListener.add(NodeListener.java:30)[556:org.opendaylight.vpnservice.dhcpservice-impl:0.2.0.SNAPSHOT]
at org.opendaylight.vpnservice.mdsalutil.AbstractDataChangeListener.createData(AbstractDataChangeListener.java:68)[534:org.opendaylight.vpnservice.mdsalutil-api:0.2.0.SNAPSHOT]
at org.opendaylight.vpnservice.mdsalutil.AbstractDataChangeListener.onDataChanged(AbstractDataChangeListener.java:54)[534:org.opendaylight.vpnservice.mdsalutil-api:0.2.0.SNAPSHOT]
at org.opendaylight.controller.md.sal.binding.impl.AbstractForwardedDataBroker$TranslatingDataChangeInvoker.onDataChanged(AbstractForwardedDataBroker.java:143)[131:org.opendaylight.controller.sal-binding-broker-impl:1.3.0.SNAPSHOT]
at org.opendaylight.controller.cluster.datastore.DataChangeListener.dataChanged(DataChangeListener.java:66)[156:org.opendaylight.controller.sal-distributed-datastore:1.3.0.SNAPSHOT]
at org.opendaylight.controller.cluster.datastore.DataChangeListener.handleReceive(DataChangeListener.java:39)[156:org.opendaylight.controller.sal-distributed-datastore:1.3.0.SNAPSHOT]
at org.opendaylight.controller.cluster.common.actor.AbstractUntypedActor.onReceive(AbstractUntypedActor.java:34)[152:org.opendaylight.controller.sal-clustering-commons:1.3.0.SNAPSHOT]
at akka.actor.UntypedActor$$anonfun$receive$1.applyOrElse(UntypedActor.scala:167)[141:com.typesafe.akka.actor:2.3.14]
at akka.actor.Actor$class.aroundReceive(Actor.scala:467)[141:com.typesafe.akka.actor:2.3.14]
at akka.actor.UntypedActor.aroundReceive(UntypedActor.scala:97)[141:com.typesafe.akka.actor:2.3.14]
at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516)[141:com.typesafe.akka.actor:2.3.14]
at akka.actor.ActorCell.invoke(ActorCell.scala:487)[141:com.typesafe.akka.actor:2.3.14]
at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:238)[141:com.typesafe.akka.actor:2.3.14]
at akka.dispatch.Mailbox.run(Mailbox.scala:220)[141:com.typesafe.akka.actor:2.3.14]
at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:397)[141:com.typesafe.akka.actor:2.3.14]
at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)[138:org.scala-lang.scala-library:2.11.7.v20150622-112736-1fbce4612c]
at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)[138:org.scala-lang.scala-library:2.11.7.v20150622-112736-1fbce4612c]
at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)[138:org.scala-lang.scala-library:2.11.7.v20150622-112736-1fbce4612c]
at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)[138:org.scala-lang.scala-library:2.11.7.v20150622-112736-1fbce4612c]

2016-02-02 04:22:29,847 | ERROR | lt-dispatcher-40 | DataChangeListener | 156 - org.opendaylight.controller.sal-distributed-datastore - 1.3.0.SNAPSHOT | Error notifying listener org.opendaylight.vpnservice.elan.internal.ElanNodeListener
java.lang.ArrayIndexOutOfBoundsException: 1
at org.opendaylight.vpnservice.elan.internal.ElanNodeListener.add(ElanNodeListener.java:74)[558:org.opendaylight.vpnservice.elanmanager-impl:0.2.0.SNAPSHOT]
at org.opendaylight.vpnservice.elan.internal.ElanNodeListener.add(ElanNodeListener.java:30)[558:org.opendaylight.vpnservice.elanmanager-impl:0.2.0.SNAPSHOT]
at org.opendaylight.vpnservice.mdsalutil.AbstractDataChangeListener.createData(AbstractDataChangeListener.java:68)[534:org.opendaylight.vpnservice.mdsalutil-api:0.2.0.SNAPSHOT]
at org.opendaylight.vpnservice.mdsalutil.AbstractDataChangeListener.onDataChanged(AbstractDataChangeListener.java:54)[534:org.opendaylight.vpnservice.mdsalutil-api:0.2.0.SNAPSHOT]
at org.opendaylight.controller.md.sal.binding.impl.AbstractForwardedDataBroker$TranslatingDataChangeInvoker.onDataChanged(AbstractForwardedDataBroker.java:143)[131:org.opendaylight.controller.sal-binding-broker-impl:1.3.0.SNAPSHOT]
at org.opendaylight.controller.cluster.datastore.DataChangeListener.dataChanged(DataChangeListener.java:66)[156:org.opendaylight.controller.sal-distributed-datastore:1.3.0.SNAPSHOT]
at org.opendaylight.controller.cluster.datastore.DataChangeListener.handleReceive(DataChangeListener.java:39)[156:org.opendaylight.controller.sal-distributed-datastore:1.3.0.SNAPSHOT]
at org.opendaylight.controller.cluster.common.actor.AbstractUntypedActor.onReceive(AbstractUntypedActor.java:34)[152:org.opendaylight.controller.sal-clustering-commons:1.3.0.SNAPSHOT]
at akka.actor.UntypedActor$$anonfun$receive$1.applyOrElse(UntypedActor.scala:167)[141:com.typesafe.akka.actor:2.3.14]
at akka.actor.Actor$class.aroundReceive(Actor.scala:467)[141:com.typesafe.akka.actor:2.3.14]
at akka.actor.UntypedActor.aroundReceive(UntypedActor.scala:97)[141:com.typesafe.akka.actor:2.3.14]
at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516)[141:com.typesafe.akka.actor:2.3.14]
at akka.actor.ActorCell.invoke(ActorCell.scala:487)[141:com.typesafe.akka.actor:2.3.14]
at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:238)[141:com.typesafe.akka.actor:2.3.14]
at akka.dispatch.Mailbox.run(Mailbox.scala:220)[141:com.typesafe.akka.actor:2.3.14]
at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:397)[141:com.typesafe.akka.actor:2.3.14]
at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)[138:org.scala-lang.scala-library:2.11.7.v20150622-112736-1fbce4612c]
at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)[138:org.scala-lang.scala-library:2.11.7.v20150622-112736-1fbce4612c]
at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)[138:org.scala-lang.scala-library:2.11.7.v20150622-112736-1fbce4612c]
at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)[138:org.scala-lang.scala-library:2.11.7.v20150622-112736-1fbce4612c]