Issue

• The log files of Fabric managed containers intermittently raise the following error

    2018-01-26 16:01:44,358 | ERROR | pool-19-thread-1 | TreeCacheExtended                | 76 - io.fabric8.fabric-zookeeper - 1.2.0.redhat-630310 |
    org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode for /fabric/registry/...`
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:111)[76:io.fabric8.fabric-zookeeper:1.2.0.redhat-630310]
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)[76:io.fabric8.fabric-zookeeper:1.2.0.redhat-630310]
        at org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1650)[76:io.fabric8.fabric-zookeeper:1.2.0.redhat-630310]
        at org.apache.curator.framework.imps.GetChildrenBuilderImpl$3.call(GetChildrenBuilderImpl.java:230)[76:io.fabric8.fabric-zookeeper:1.2.0.redhat-630310]
        at org.apache.curator.framework.imps.GetChildrenBuilderImpl$3.call(GetChildrenBuilderImpl.java:219)[76:io.fabric8.fabric-zookeeper:1.2.0.redhat-630310]
        at org.apache.curator.RetryLoop.callWithRetry(RetryLoop.java:109)[76:io.fabric8.fabric-zookeeper:1.2.0.redhat-630310]
        at org.apache.curator.framework.imps.GetChildrenBuilderImpl.pathInForeground(GetChildrenBuilderImpl.java:216)[76:io.fabric8.fabric-zookeeper:1.2.0.redhat-630310]
        at org.apache.curator.framework.imps.GetChildrenBuilderImpl.forPath(GetChildrenBuilderImpl.java:207)[76:io.fabric8.fabric-zookeeper:1.2.0.redhat-630310]
        at org.apache.curator.framework.imps.GetChildrenBuilderImpl.forPath(GetChildrenBuilderImpl.java:40)[76:io.fabric8.fabric-zookeeper:1.2.0.redhat-630310]
        at org.apache.curator.framework.recipes.cache.TreeCacheExtended.refresh(TreeCacheExtended.java:523)[76:io.fabric8.fabric-zookeeper:1.2.0.redhat-630310]
        at org.apache.curator.framework.recipes.cache.TreeRefreshOperation.invoke(TreeRefreshOperation.java:36)[76:io.fabric8.fabric-zookeeper:1.2.0.redhat-630310]
        at org.apache.curator.framework.recipes.cache.TreeCacheExtended.mainLoop(TreeCacheExtended.java:837)[76:io.fabric8.fabric-zookeeper:1.2.0.redhat-630310]
        at org.apache.curator.framework.recipes.cache.TreeCacheExtended.access$600(TreeCacheExtended.java:70)[76:io.fabric8.fabric-zookeeper:1.2.0.redhat-630310]
        at org.apache.curator.framework.recipes.cache.TreeCacheExtended$4.run(TreeCacheExtended.java:300)[76:io.fabric8.fabric-zookeeper:1.2.0.redhat-630310]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)[:1.8.0_144]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)[:1.8.0_144]