NullPointerException at org.opendaylight.yangtools.binding.data.codec.impl.BindingNormalizedNodeCodecRegistry.toYangInstanceIdentifier

https://git.opendaylight.org/gerrit/#/c/50536/ build, a totally unrelated minor change, just failed with what looks like a regression in yangtools:

15:17:00 Running org.opendaylight.odlparent.featuretest.SingleFeatureTest
15:21:29 Tests run: 5, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 267.974 sec <<< FAILURE! - in org.opendaylight.odlparent.featuretest.SingleFeatureTest
15:21:29 installFeature(org.opendaylight.odlparent.featuretest.SingleFeatureTest)[repoUrl: file:/w/workspace/netvirt-verify-carbon-mvn33-openjdk8/openstack/net-virt-sfc/features/target/classes/features.xml, Feature: odl-ovsdb-sfc-test 1.4.0-SNAPSHOT] Time elapsed: 57.158 sec <<< FAILURE!
15:21:29 java.lang.AssertionError: diag: Failure

{Installed=0, Resolved=4, Unknown=0, GracePeriod=3, Waiting=0, Starting=0, Active=416, Stopping=0, Failure=4}

15:21:29 1. NOK org.opendaylight.openflowjava.blueprint-config: OSGi state = Active, Karaf bundleState = Failure, due to: Blueprint
15:21:29 1/17/17 3:21 PM
15:21:29 Exception:
15:21:29 null
15:21:29 java.lang.NullPointerException
15:21:29 at org.opendaylight.yangtools.binding.data.codec.impl.BindingNormalizedNodeCodecRegistry.toYangInstanceIdentifier(BindingNormalizedNodeCodecRegistry.java:87)
15:21:29 at org.opendaylight.controller.md.sal.binding.impl.BindingToNormalizedNodeCodec.toYangInstanceIdentifierBlocking(BindingToNormalizedNodeCodec.java:98)
15:21:29 at org.opendaylight.controller.md.sal.binding.impl.BindingDOMDataTreeChangeServiceAdapter.toDomTreeIdentifier(BindingDOMDataTreeChangeServiceAdapter.java:66)
15:21:29 at org.opendaylight.controller.md.sal.binding.impl.BindingDOMDataTreeChangeServiceAdapter.registerDataTreeChangeListener(BindingDOMDataTreeChangeServiceAdapter.java:51)
15:21:29 at org.opendaylight.controller.md.sal.binding.impl.BindingDOMDataBrokerAdapter.registerDataTreeChangeListener(BindingDOMDataBrokerAdapter.java:104)
15:21:29 at Proxyacbaf020_f64c_4471_89a0_42c77cc4e511.registerDataTreeChangeListener(Unknown Source)
15:21:29 at org.opendaylight.controller.blueprint.ext.DataStoreAppConfigMetadata.retrieveInitialAppConfig(DataStoreAppConfigMetadata.java:204)
15:21:29 at org.opendaylight.controller.blueprint.ext.DataStoreAppConfigMetadata.lambda$retrieveDataBrokerService$1(DataStoreAppConfigMetadata.java:189)
15:21:29 at org.opendaylight.controller.blueprint.ext.StaticServiceReferenceRecipe.retrack(StaticServiceReferenceRecipe.java:75)
15:21:29 at org.apache.aries.blueprint.container.AbstractServiceReferenceRecipe.start(AbstractServiceReferenceRecipe.java:140)
15:21:29 at org.opendaylight.controller.blueprint.ext.StaticServiceReferenceRecipe.startTracking(StaticServiceReferenceRecipe.java:46)
15:21:29 at org.opendaylight.controller.blueprint.ext.AbstractDependentComponentFactoryMetadata.retrieveService(AbstractDependentComponentFactoryMetadata.java:117)
15:21:29 at org.opendaylight.controller.blueprint.ext.AbstractDependentComponentFactoryMetadata.retrieveService(AbstractDependentComponentFactoryMetadata.java:103)
15:21:29 at org.opendaylight.controller.blueprint.ext.DataStoreAppConfigMetadata.retrieveDataBrokerService(DataStoreAppConfigMetadata.java:189)
15:21:29 at org.opendaylight.controller.blueprint.ext.DataStoreAppConfigMetadata.lambda$startTracking$0(DataStoreAppConfigMetadata.java:180)
15:21:29 at org.opendaylight.controller.blueprint.ext.StaticServiceReferenceRecipe.retrack(StaticServiceReferenceRecipe.java:75)
15:21:29 at org.apache.aries.blueprint.container.AbstractServiceReferenceRecipe.start(AbstractServiceReferenceRecipe.java:140)
15:21:29 at org.opendaylight.controller.blueprint.ext.StaticServiceReferenceRecipe.startTracking(StaticServiceReferenceRecipe.java:46)
15:21:29 at org.opendaylight.controller.blueprint.ext.AbstractDependentComponentFactoryMetadata.retrieveService(AbstractDependentComponentFactoryMetadata.java:117)
15:21:29 at org.opendaylight.controller.blueprint.ext.AbstractDependentComponentFactoryMetadata.retrieveService(AbstractDependentComponentFactoryMetadata.java:103)
15:21:29 at org.opendaylight.controller.blueprint.ext.DataStoreAppConfigMetadata.startTracking(DataStoreAppConfigMetadata.java:178)
15:21:29 at org.opendaylight.controller.blueprint.ext.AbstractDependentComponentFactoryMetadata.startTracking(AbstractDependentComponentFactoryMetadata.java:184)
15:21:29 at org.apache.aries.blueprint.di.DependentComponentFactoryRecipe.start(DependentComponentFactoryRecipe.java:55)
15:21:29 at org.apache.aries.blueprint.container.BlueprintContainerImpl.trackServiceReferences(BlueprintContainerImpl.java:636)
15:21:29 at org.apache.aries.blueprint.container.BlueprintContainerImpl.doRun(BlueprintContainerImpl.java:360)
15:21:29 at org.apache.aries.blueprint.container.BlueprintContainerImpl.run(BlueprintContainerImpl.java:276)
15:21:29 at org.apache.aries.blueprint.container.BlueprintExtender.createContainer(BlueprintExtender.java:300)
15:21:29 at org.apache.aries.blueprint.container.BlueprintExtender.createContainer(BlueprintExtender.java:269)
15:21:29 at org.apache.aries.blueprint.container.BlueprintExtender.access$900(BlueprintExtender.java:68)
15:21:29 at org.apache.aries.blueprint.container.BlueprintExtender$BlueprintContainerServiceImpl.createContainer(BlueprintExtender.java:602)
15:21:29 at org.opendaylight.controller.blueprint.BlueprintBundleTracker.modifiedBundle(BlueprintBundleTracker.java:210)
15:21:29 at org.opendaylight.controller.blueprint.BlueprintBundleTracker.addingBundle(BlueprintBundleTracker.java:191)
15:21:29 at org.opendaylight.controller.blueprint.BlueprintBundleTracker.addingBundle(BlueprintBundleTracker.java:51)
15:21:29 at org.osgi.util.tracker.BundleTracker$Tracked.customizerAdding(BundleTracker.java:467)
15:21:29 at org.osgi.util.tracker.BundleTracker$Tracked.customizerAdding(BundleTracker.java:414)
15:21:29 at org.osgi.util.tracker.AbstractTracked.trackAdding(AbstractTracked.java:256)
15:21:29 at org.osgi.util.tracker.AbstractTracked.track(AbstractTracked.java:229)
15:21:29 at org.osgi.util.tracker.BundleTracker$Tracked.bundleChanged(BundleTracker.java:443)
15:21:29 at org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:847)
15:21:29 at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
15:21:29 at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
15:21:29 at org.eclipse.osgi.framework.internal.core.Framework.publishBundleEventPrivileged(Framework.java:1568)
15:21:29 at org.eclipse.osgi.framework.internal.core.Framework.publishBundleEvent(Framework.java:1504)
15:21:29 at org.eclipse.osgi.framework.internal.core.Framework.publishBundleEvent(Framework.java:1499)
15:21:29 at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:391)
15:21:29 at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:300)
15:21:29 at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:292)
15:21:29 at org.apache.karaf.features.internal.FeaturesServiceImpl.startBundle(FeaturesServiceImpl.java:516)
15:21:29 at org.apache.karaf.features.internal.FeaturesServiceImpl.installFeatures(FeaturesServiceImpl.java:474)
15:21:29 at org.apache.karaf.features.internal.FeaturesServiceImpl.installFeature(FeaturesServiceImpl.java:415)
15:21:29 at org.apache.karaf.features.internal.FeaturesServiceImpl.installFeature(FeaturesServiceImpl.java:390)
15:21:29 at Proxy7c279105_764c_4e57_a4e6_222eb4b8565f.installFeature(Unknown Source)
15:21:29 at org.opendaylight.odlparent.featuretest.SingleFeatureTest.installFeature(SingleFeatureTest.java:332)
15:21:29 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
15:21:29 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
15:21:29 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
15:21:29 at java.lang.reflect.Method.invoke(Method.java:498)
15:21:29 at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
15:21:29 at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
15:21:29 at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
15:21:29 at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
15:21:29 at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)
15:21:29 at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)
15:21:29 at java.util.concurrent.FutureTask.run(FutureTask.java:266)
15:21:29 at java.lang.Thread.run(Thread.java:745)