2015-04-21 16:01:45,035 [ool-12-thread-1] ERROR ConnectionState                - Connection timed out for connection string (localhost:2181) and timeout (15000) / elapsed (15077)
org.apache.curator.CuratorConnectionLossException: KeeperErrorCode = ConnectionLoss
	at org.apache.curator.ConnectionState.checkTimeouts(ConnectionState.java:198)[curator-client-2.6.0.jar:]
	at org.apache.curator.ConnectionState.getZooKeeper(ConnectionState.java:88)[curator-client-2.6.0.jar:]
	at org.apache.curator.CuratorZookeeperClient.getZooKeeper(CuratorZookeeperClient.java:115)[curator-client-2.6.0.jar:]
	at org.apache.curator.utils.EnsurePath$InitialHelper$1.call(EnsurePath.java:148)[curator-client-2.6.0.jar:]
	at org.apache.curator.RetryLoop.callWithRetry(RetryLoop.java:107)[curator-client-2.6.0.jar:]
	at org.apache.curator.utils.EnsurePath$InitialHelper.ensure(EnsurePath.java:140)[curator-client-2.6.0.jar:]
	at org.apache.curator.utils.EnsurePath.ensure(EnsurePath.java:99)[curator-client-2.6.0.jar:]
	at org.apache.curator.framework.recipes.cache.TreeCache.refresh(TreeCache.java:521)[zookeeper-client-2.0.43.jar:2.0.43]
	at org.apache.curator.framework.recipes.cache.TreeRefreshOperation.invoke(TreeRefreshOperation.java:36)[zookeeper-client-2.0.43.jar:2.0.43]
	at org.apache.curator.framework.recipes.cache.TreeCache.mainLoop(TreeCache.java:837)[zookeeper-client-2.0.43.jar:2.0.43]
	at org.apache.curator.framework.recipes.cache.TreeCache.access$600(TreeCache.java:70)[zookeeper-client-2.0.43.jar:2.0.43]
	at org.apache.curator.framework.recipes.cache.TreeCache$4.run(TreeCache.java:300)[zookeeper-client-2.0.43.jar:2.0.43]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)[:1.7.0_60]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)[:1.7.0_60]
	at java.lang.Thread.run(Thread.java:745)[:1.7.0_60]