我使用Google GKE部署了一个4节点Couchbase群集。 主节点将端口8091,8093暴露给Loadbaancer。 当通过Java应用程序连接到Loadbalancer IP（外部）以插入数据时，我得到此堆栈的超时错误：
Apr 04, 2017 3:32:15 PM com.couchbase.client.core.endpoint.AbstractEndpoint$2 operationComplete
WARNING: [null][ViewEndpoint]: Socket connect took longer than specified timeout.
Apr 04, 2017 3:32:15 PM com.couchbase.client.core.endpoint.AbstractEndpoint$2 operationComplete
WARNING: [null][KeyValueEndpoint]: Socket connect took longer than specified timeout.
Apr 04, 2017 3:32:15 PM com.couchbase.client.deps.io.netty.util.concurrent.DefaultPromise notifyListener0
WARNING: An exception was thrown by com.couchbase.client.core.endpoint.AbstractEndpoint$2.operationComplete()
rx.exceptions.OnErrorNotImplementedException: connection timed out: /10.4.0.3:8093
at rx.Observable$26.onError(Observable.java:7955)
at rx.observers.SafeSubscriber._onError(SafeSubscriber.java:159)
at rx.observers.SafeSubscriber.onError(SafeSubscriber.java:120)
at rx.internal.operators.OperatorMap$1.onError(OperatorMap.java:48)
令人费解的是，堆栈显示10.4.0.3:8093，这实际上是docker容器的IP。 感谢所有建议。