com.yahoo.ycsb.DBException: Could not connect to Couchbase Bucket.
	at com.yahoo.ycsb.db.couchbase2.Couchbase2Client.init(Couchbase2Client.java:211)
	at com.yahoo.ycsb.DBWrapper.init(DBWrapper.java:86)
	at com.yahoo.ycsb.ClientThread.run(Client.java:423)
	at java.lang.Thread.run(Thread.java:748)
Caused by: com.couchbase.client.core.config.ConfigurationException: Could not open bucket.
	at com.couchbase.client.core.config.DefaultConfigurationProvider$6.call(DefaultConfigurationProvider.java:296)
	at com.couchbase.client.core.config.DefaultConfigurationProvider$6.call(DefaultConfigurationProvider.java:293)
	at rx.internal.operators.OperatorOnErrorResumeNextViaFunction$4.onError(OperatorOnErrorResumeNextViaFunction.java:140)
	at rx.internal.operators.OnSubscribeDoOnEach$DoOnEachSubscriber.onError(OnSubscribeDoOnEach.java:87)
	at rx.internal.operators.OnSubscribeDoOnEach$DoOnEachSubscriber.onError(OnSubscribeDoOnEach.java:87)
	at rx.internal.operators.OnSubscribeMap$MapSubscriber.onError(OnSubscribeMap.java:88)
	at rx.internal.operators.OnSubscribeDoOnEach$DoOnEachSubscriber.onError(OnSubscribeDoOnEach.java:87)
	at rx.internal.operators.OperatorTake$1.onError(OperatorTake.java:65)
	at rx.internal.operators.OperatorMerge$MergeSubscriber.reportError(OperatorMerge.java:266)
	at rx.internal.operators.OperatorMerge$MergeSubscriber.emitLoop(OperatorMerge.java:658)
	at rx.internal.operators.OperatorMerge$MergeSubscriber.emit(OperatorMerge.java:568)
	at rx.internal.operators.OperatorMerge$InnerSubscriber.onError(OperatorMerge.java:852)
	at rx.internal.operators.OperatorOnErrorResumeNextViaFunction$4$1.onError(OperatorOnErrorResumeNextViaFunction.java:122)
	at rx.internal.operators.OnSubscribeMap$MapSubscriber.onError(OnSubscribeMap.java:88)
	at rx.internal.operators.OnSubscribeMap$MapSubscriber.onNext(OnSubscribeMap.java:73)
	at rx.internal.operators.OperatorMerge$MergeSubscriber.emitScalar(OperatorMerge.java:395)
	at rx.internal.operators.OperatorMerge$MergeSubscriber.tryEmit(OperatorMerge.java:355)
	at rx.internal.operators.OperatorMerge$InnerSubscriber.onNext(OperatorMerge.java:846)
	at rx.internal.operators.OnSubscribeMap$MapSubscriber.onNext(OnSubscribeMap.java:77)
	at rx.internal.operators.OperatorMerge$MergeSubscriber.emitScalar(OperatorMerge.java:511)
	at rx.internal.operators.OperatorMerge$MergeSubscriber.tryEmit(OperatorMerge.java:466)
	at rx.internal.operators.OperatorMerge$MergeSubscriber.onNext(OperatorMerge.java:244)
	at rx.internal.operators.OperatorMerge$MergeSubscriber.onNext(OperatorMerge.java:148)
	at rx.internal.operators.OnSubscribeMap$MapSubscriber.onNext(OnSubscribeMap.java:77)
	at rx.internal.producers.SingleProducer.request(SingleProducer.java:65)
	at rx.Subscriber.setProducer(Subscriber.java:211)
	at rx.internal.operators.OnSubscribeMap$MapSubscriber.setProducer(OnSubscribeMap.java:102)
	at rx.subjects.AsyncSubject.onCompleted(AsyncSubject.java:103)
	at com.couchbase.client.core.endpoint.AbstractGenericHandler.completeResponse(AbstractGenericHandler.java:418)
	at com.couchbase.client.core.endpoint.AbstractGenericHandler.publishResponse(AbstractGenericHandler.java:401)
	at com.couchbase.client.core.endpoint.AbstractGenericHandler.decode(AbstractGenericHandler.java:294)
	at com.couchbase.client.deps.io.netty.handler.codec.MessageToMessageCodec$2.decode(MessageToMessageCodec.java:81)
	at com.couchbase.client.deps.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:88)
	at com.couchbase.client.deps.io.netty.handler.codec.MessageToMessageCodec.channelRead(MessageToMessageCodec.java:111)
	at com.couchbase.client.deps.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:356)
	at com.couchbase.client.deps.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:342)
	at com.couchbase.client.deps.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:335)
	at com.couchbase.client.deps.io.netty.channel.CombinedChannelDuplexHandler$DelegatingChannelHandlerContext.fireChannelRead(CombinedChannelDuplexHandler.java:438)
	at com.couchbase.client.deps.io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:312)
	at com.couchbase.client.deps.io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:286)
	at com.couchbase.client.deps.io.netty.channel.CombinedChannelDuplexHandler.channelRead(CombinedChannelDuplexHandler.java:253)
	at com.couchbase.client.deps.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:356)
	at com.couchbase.client.deps.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:342)
	at com.couchbase.client.deps.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:335)
	at com.couchbase.client.deps.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1302)
	at com.couchbase.client.deps.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:356)
	at com.couchbase.client.deps.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:342)
	at com.couchbase.client.deps.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
	at com.couchbase.client.deps.io.netty.channel.epoll.AbstractEpollStreamChannel$EpollStreamUnsafe.epollInReady(AbstractEpollStreamChannel.java:725)
	at com.couchbase.client.deps.io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:400)
	at com.couchbase.client.deps.io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:300)
	at com.couchbase.client.deps.io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:131)
	at com.couchbase.client.deps.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
	... 1 more
Caused by: com.couchbase.client.core.CouchbaseException: Could not parse configuration
	at com.couchbase.client.core.config.parser.BucketConfigParser.parse(BucketConfigParser.java:63)
	at com.couchbase.client.core.config.loader.AbstractLoader$1.call(AbstractLoader.java:186)
	at com.couchbase.client.core.config.loader.AbstractLoader$1.call(AbstractLoader.java:182)
	at rx.internal.operators.OnSubscribeMap$MapSubscriber.onNext(OnSubscribeMap.java:69)
	... 39 more
Caused by: com.couchbase.client.deps.com.fasterxml.jackson.databind.exc.InvalidFormatException: Can not construct instance of com.couchbase.client.core.config.BucketCapabilities from String value ("snappy"): value not one of declared Enum instance names: [nodesExt, dcp, cbhello, xattr, couchapi, cccp, touch, xdcrCheckpointing]