Example topology not instantiating

Exception in thread "Thread-58" java.lang.NullPointerException
	at org.opendaylight.bgpcep.config.loader.protocols.ProtocolsConfigFileProcessor.loadConfiguration(ProtocolsConfigFileProcessor.java:85)
	at org.opendaylight.bgpcep.config.loader.impl.ConfigLoaderImpl.handleConfigFile(ConfigLoaderImpl.java:82)
	at org.opendaylight.bgpcep.config.loader.impl.ConfigLoaderImpl.access$300(ConfigLoaderImpl.java:46)
	at org.opendaylight.bgpcep.config.loader.impl.ConfigLoaderImpl$ConfigLoaderImplRunnable.lambda$handleEvent$1(ConfigLoaderImpl.java:190)
	at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)
	at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175)
	at java.util.HashMap$EntrySpliterator.forEachRemaining(HashMap.java:1696)
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
	at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)
	at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418)
	at org.opendaylight.bgpcep.config.loader.impl.ConfigLoaderImpl$ConfigLoaderImplRunnable.handleEvent(ConfigLoaderImpl.java:190)
	at org.opendaylight.bgpcep.config.loader.impl.ConfigLoaderImpl$ConfigLoaderImplRunnable.handleChanges(ConfigLoaderImpl.java:178)
	at org.opendaylight.bgpcep.config.loader.impl.ConfigLoaderImpl$ConfigLoaderImplRunnable.run(ConfigLoaderImpl.java:160)
	at java.lang.Thread.run(Thread.java:748)

2018-03-22T08:15:47,570 | WARN  | Thread-58        | ConfigLoaderImpl                 | 366 - org.opendaylight.bgpcep.config-loader-impl - 0.9.0 | Failed to parse xml
javax.xml.stream.XMLStreamException: ParseError at [row,col]:[1,1]
Message: Premature end of file.
	at com.sun.org.apache.xerces.internal.impl.XMLStreamReaderImpl.next(XMLStreamReaderImpl.java:604) ~[?:?]
	at com.sun.org.apache.xerces.internal.impl.XMLStreamReaderImpl.nextTag(XMLStreamReaderImpl.java:1241) ~[?:?]
	at org.opendaylight.yangtools.yang.data.codec.xml.XmlParserStream.parse(XmlParserStream.java:166) ~[?:?]
	at org.opendaylight.bgpcep.config.loader.impl.ConfigLoaderImpl.parseDefaultConfigFile(ConfigLoaderImpl.java:97) ~[?:?]
	at org.opendaylight.bgpcep.config.loader.impl.ConfigLoaderImpl.handleConfigFile(ConfigLoaderImpl.java:76) ~[?:?]
	at org.opendaylight.bgpcep.config.loader.impl.ConfigLoaderImpl.access$300(ConfigLoaderImpl.java:46) ~[?:?]
	at org.opendaylight.bgpcep.config.loader.impl.ConfigLoaderImpl$ConfigLoaderImplRunnable.lambda$handleEvent$1(ConfigLoaderImpl.java:190) ~[?:?]
	at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) [?:?]
	at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175) [?:?]
	at java.util.HashMap$EntrySpliterator.forEachRemaining(HashMap.java:1696) [?:?]
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) [?:?]
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) [?:?]
	at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) [?:?]
	at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) [?:?]
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) [?:?]
	at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) [?:?]
	at org.opendaylight.bgpcep.config.loader.impl.ConfigLoaderImpl$ConfigLoaderImplRunnable.handleEvent(ConfigLoaderImpl.java:190) [366:org.opendaylight.bgpcep.config-loader-impl:0.9.0]
	at org.opendaylight.bgpcep.config.loader.impl.ConfigLoaderImpl$ConfigLoaderImplRunnable.handleChanges(ConfigLoaderImpl.java:178) [366:org.opendaylight.bgpcep.config-loader-impl:0.9.0]
	at org.opendaylight.bgpcep.config.loader.impl.ConfigLoaderImpl$ConfigLoaderImplRunnable.run(ConfigLoaderImpl.java:160) [366:org.opendaylight.bgpcep.config-loader-impl:0.9.0]
	at java.lang.Thread.run(Thread.java:748) [?:?]
2018-03-22T08:15:47,571 | INFO  | Thread-58        | ConfigLoaderImpl                 | 366 - org.opendaylight.bgpcep.config-loader-impl - 0.9.0 | Loading initial config protocols-config.xml
2018-03-22T08:15:47,575 | INFO  | features-1-thread-1 | FeaturesServiceImpl              | 7 - org.apache.karaf.features.core - 4.1.3 | Done.

2018-03-22T08:18:41,366 | ERROR | opendaylight-cluster-data-akka.actor.default-dispatcher-19 | DataTreeChangeListenerProxy      | 221 - org.opendaylight.controller.sal-distributed-datastore - 1.7.0 | CONFIGURATION: Failed to find local shard topology - DataTreeChangeListener org.opendaylight.bgpcep.bgp.topology.provider.config.BgpTopologyDeployerImpl@5f55a6f4 at path /(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)network-topology/topology/topology cannot be registered: {}
org.opendaylight.controller.cluster.datastore.exceptions.NotInitializedException: Found primary shard member-1-shard-topology-config but it's not initialized yet. Please try again later
	at org.opendaylight.controller.cluster.datastore.shardmanager.ShardManager.createNotInitializedException(ShardManager.java:960) [221:org.opendaylight.controller.sal-distributed-datastore:1.7.0]
	at org.opendaylight.controller.cluster.datastore.shardmanager.ShardManager.onShardNotInitializedTimeout(ShardManager.java:784) [221:org.opendaylight.controller.sal-distributed-datastore:1.7.0]
	at org.opendaylight.controller.cluster.datastore.shardmanager.ShardManager.handleCommand(ShardManager.java:254) [221:org.opendaylight.controller.sal-distributed-datastore:1.7.0]
	at org.opendaylight.controller.cluster.common.actor.AbstractUntypedPersistentActor.onReceiveCommand(AbstractUntypedPersistentActor.java:44) [214:org.opendaylight.controller.sal-clustering-commons:1.7.0]
	at akka.persistence.UntypedPersistentActor.onReceive(PersistentActor.scala:274) [86:com.typesafe.akka.persistence:2.5.4]
	at org.opendaylight.controller.cluster.common.actor.MeteringBehavior.apply(MeteringBehavior.java:104) [214:org.opendaylight.controller.sal-clustering-commons:1.7.0]
	at akka.actor.ActorCell$$anonfun$become$1.applyOrElse(ActorCell.scala:545) [83:com.typesafe.akka.actor:2.5.4]
	at akka.actor.Actor.aroundReceive(Actor.scala:514) [83:com.typesafe.akka.actor:2.5.4]
	at akka.actor.Actor.aroundReceive$(Actor.scala:512) [83:com.typesafe.akka.actor:2.5.4]
	at akka.persistence.UntypedPersistentActor.akka$persistence$Eventsourced$$super$aroundReceive(PersistentActor.scala:272) [86:com.typesafe.akka.persistence:2.5.4]
	at akka.persistence.Eventsourced$$anon$1.stateReceive(Eventsourced.scala:663) [86:com.typesafe.akka.persistence:2.5.4]
	at akka.persistence.Eventsourced.aroundReceive(Eventsourced.scala:183) [86:com.typesafe.akka.persistence:2.5.4]
	at akka.persistence.Eventsourced.aroundReceive$(Eventsourced.scala:182) [86:com.typesafe.akka.persistence:2.5.4]
	at akka.persistence.UntypedPersistentActor.aroundReceive(PersistentActor.scala:272) [86:com.typesafe.akka.persistence:2.5.4]
	at akka.actor.ActorCell.receiveMessage(ActorCell.scala:527) [83:com.typesafe.akka.actor:2.5.4]
	at akka.actor.ActorCell.invoke(ActorCell.scala:496) [83:com.typesafe.akka.actor:2.5.4]
	at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:257) [83:com.typesafe.akka.actor:2.5.4]
	at akka.dispatch.Mailbox.run(Mailbox.scala:224) [83:com.typesafe.akka.actor:2.5.4]
	at akka.dispatch.Mailbox.exec(Mailbox.scala:234) [83:com.typesafe.akka.actor:2.5.4]
	at akka.dispatch.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) [83:com.typesafe.akka.actor:2.5.4]
	at akka.dispatch.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) [83:com.typesafe.akka.actor:2.5.4]
	at akka.dispatch.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) [83:com.typesafe.akka.actor:2.5.4]
	at akka.dispatch.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) [83:com.typesafe.akka.actor:2.5.4]

./get_ipv4_topology.sh