Failed to open database after restart

2015-02-27 16:17:39,978 | WARN  | at-coordinator-1 | DatabaseManager                  | 161 - org.onosproject.onos-core-dist - 1.1.0.SNAPSHOT | Failed to open database.
java.util.concurrent.CompletionException: java.util.concurrent.CancellationException
        at java.util.concurrent.CompletableFuture.internalComplete(CompletableFuture.java:205)[:1.8.0_31]
        at java.util.concurrent.CompletableFuture$ThenCopy.run(CompletableFuture.java:1333)[:1.8.0_31]
        at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:193)[:1.8.0_31]
        at java.util.concurrent.CompletableFuture.cancel(CompletableFuture.java:2892)[:1.8.0_31]
        at net.kuujo.copycat.resource.internal.CopycatStateContext.close(CopycatStateContext.java:691)
        at net.kuujo.copycat.cluster.internal.coordinator.DefaultClusterCoordinator.releaseResource(DefaultClusterCoordinator.java:170)
        at net.kuujo.copycat.resource.internal.DefaultResourceContext.close(DefaultResourceContext.java:184)
        at net.kuujo.copycat.state.internal.DefaultStateLog.close(DefaultStateLog.java:162)
        at net.kuujo.copycat.state.internal.DefaultStateMachine.close(DefaultStateMachine.java:155)
        at org.onosproject.store.consistent.impl.DefaultDatabase.close(DefaultDatabase.java:162)
        at org.onosproject.store.consistent.impl.PartitionedDatabase.lambda$close$54(PartitionedDatabase.java:219)
        at org.onosproject.store.consistent.impl.PartitionedDatabase$$Lambda$157/1519916587.apply(Unknown Source)
        at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)[:1.8.0_31]
        at java.util.concurrent.ConcurrentHashMap$ValueSpliterator.forEachRemaining(ConcurrentHashMap.java:3566)[:1.8.0_31]
        at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:512)[:1.8.0_31]
        at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:502)[:1.8.0_31]
        at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:576)[:1.8.0_31]
        at java.util.stream.AbstractPipeline.evaluateToArrayNode(AbstractPipeline.java:255)[:1.8.0_31]
        at java.util.stream.ReferencePipeline.toArray(ReferencePipeline.java:438)[:1.8.0_31]
        at org.onosproject.store.consistent.impl.PartitionedDatabase.close(PartitionedDatabase.java:220)
        at org.onosproject.store.consistent.impl.DatabaseManager.deactivate(DatabaseManager.java:159)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)[:1.8.0_31]
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)[:1.8.0_31]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)[:1.8.0_31]
        at java.lang.reflect.Method.invoke(Method.java:483)[:1.8.0_31]
        at org.apache.felix.scr.impl.helper.BaseMethod.invokeMethod(BaseMethod.java:231)[38:org.apache.felix.scr:1.8.2]
        at org.apache.felix.scr.impl.helper.BaseMethod.access$500(BaseMethod.java:39)[38:org.apache.felix.scr:1.8.2]
        at org.apache.felix.scr.impl.helper.BaseMethod$Resolved.invoke(BaseMethod.java:624)[38:org.apache.felix.scr:1.8.2]
        at org.apache.felix.scr.impl.helper.BaseMethod.invoke(BaseMethod.java:508)[38:org.apache.felix.scr:1.8.2]
        at org.apache.felix.scr.impl.helper.ActivateMethod.invoke(ActivateMethod.java:149)[38:org.apache.felix.scr:1.8.2]
        at org.apache.felix.scr.impl.manager.SingleComponentManager.disposeImplementationObject(SingleComponentManager.java:355)[38:org.apache.felix.scr:1.8.2]
        at org.apache.felix.scr.impl.manager.SingleComponentManager.deleteComponent(SingleComponentManager.java:170)[38:org.apache.felix.scr:1.8.2]
        at org.apache.felix.scr.impl.manager.AbstractComponentManager.doDeactivate(AbstractComponentManager.java:908)[38:org.apache.felix.scr:1.8.2]
        at org.apache.felix.scr.impl.manager.AbstractComponentManager.deactivateInternal(AbstractComponentManager.java:883)[38:org.apache.felix.scr:1.8.2]
        at org.apache.felix.scr.impl.manager.AbstractComponentManager.dispose(AbstractComponentManager.java:580)[38:org.apache.felix.scr:1.8.2]
        at org.apache.felix.scr.impl.config.ConfigurableComponentHolder.disposeComponents(ConfigurableComponentHolder.java:406)[38:org.apache.felix.scr:1.8.2]
        at org.apache.felix.scr.impl.BundleComponentActivator.dispose(BundleComponentActivator.java:335)[38:org.apache.felix.scr:1.8.2]
        at org.apache.felix.scr.impl.Activator.disposeComponents(Activator.java:313)[38:org.apache.felix.scr:1.8.2]
        at org.apache.felix.scr.impl.Activator.access$300(Activator.java:45)[38:org.apache.felix.scr:1.8.2]
        at org.apache.felix.scr.impl.Activator$ScrExtension.destroy(Activator.java:198)[38:org.apache.felix.scr:1.8.2]
        at org.apache.felix.utils.extender.AbstractExtender$2.run(AbstractExtender.java:290)[38:org.apache.felix.scr:1.8.2]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)[:1.8.0_31]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)[:1.8.0_31]
        at org.apache.felix.utils.extender.AbstractExtender.destroyExtension(AbstractExtender.java:312)[38:org.apache.felix.scr:1.8.2]
        at org.apache.felix.utils.extender.AbstractExtender.bundleChanged(AbstractExtender.java:186)[38:org.apache.felix.scr:1.8.2]
        at org.apache.felix.framework.util.EventDispatcher.invokeBundleListenerCallback(EventDispatcher.java:868)[org.apache.felix.framework-4.2.1.jar:]
        at org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:789)[org.apache.felix.framework-4.2.1.jar:]
        at org.apache.felix.framework.util.EventDispatcher.fireBundleEvent(EventDispatcher.java:514)[org.apache.felix.framework-4.2.1.jar:]
        at org.apache.felix.framework.Felix.fireBundleEvent(Felix.java:4403)[org.apache.felix.framework-4.2.1.jar:]
        at org.apache.felix.framework.Felix.stopBundle(Felix.java:2520)[org.apache.felix.framework-4.2.1.jar:]
        at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1309)[org.apache.felix.framework-4.2.1.jar:]
        at org.apache.felix.framework.FrameworkStartLevelImpl.run(FrameworkStartLevelImpl.java:304)[org.apache.felix.framework-4.2.1.jar:]
        at java.lang.Thread.run(Thread.java:745)[:1.8.0_31]
Caused by: java.util.concurrent.CancellationException
        at java.util.concurrent.CompletableFuture.cancel(CompletableFuture.java:2889)[:1.8.0_31]
        ... 49 more
2015-02-27 16:17:39,986 | INFO  | ycat-coordinator | CopycatStateContext              | 71 - org.onosproject.onlab-thirdparty - 1.1.0.SNAPSHOT | tcp://10.128.30.11:7238 - Transitioning to START
2015-02-27 16:17:39,990 | INFO  | FelixStartLevel  | DatabaseManager                  | 161 - org.onosproject.onos-core-dist - 1.1.0.SNAPSHOT | Successfully closed database.
2015-02-27 16:17:39,990 | INFO  | FelixStartLevel  | DatabaseManager                  | 161 - org.onosproject.onos-core-dist - 1.1.0.SNAPSHOT | Stopped