None of the configured nodes were available

org.elasticsearch.client.transport.NoNodeAvailableException: None of the configured nodes were available: [{node-1}{KLZENvjeRWy6jfNuuQ7KQA}{192.168.51.116}{192.168.51.116:9300}]
at org.elasticsearch.client.transport.TransportClientNodesService$RetryListener.onFailure(TransportClientNodesService.java:244) ~[elasticsearch-2.4.1.jar:2.4.1]
at org.elasticsearch.action.ActionListenerResponseHandler.handleException(ActionListenerResponseHandler.java:46) ~[elasticsearch-2.4.1.jar:2.4.1]
at org.elasticsearch.transport.TransportService$Adapter$3.run(TransportService.java:639) ~[elasticsearch-2.4.1.jar:2.4.1]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_17]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_17]
at java.lang.Thread.run(Thread.java:722) [na:1.7.0_17]
org.elasticsearch.transport.NodeDisconnectedException: [node-1][192.168.51.116:9300][indices:data/read/search] disconnected