springboot整合elasticsearch链接报错，错误如下，怎么解决？

2017-09-25 11:41:28.855  INFO 8756 --- [][generic][T#1]] org.elasticsearch.client.transport       : [Ghaur] failed to get node info for {#transport#-1}{192.168.3.50}{192.168.3.50:9200}, disconnecting...

org.elasticsearch.transport.ReceiveTimeoutTransportException: [][192.168.3.50:9200][cluster:monitor/nodes/liveness] request_id [93] timed out after [5000ms]
    at org.elasticsearch.transport.TransportService$TimeoutHandler.run(TransportService.java:698) ~[elasticsearch-2.4.4.jar:2.4.4]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_102]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_102]
    at java.lang.Thread.run(Thread.java:745) [na:1.8.0_102]

2017-09-25 11:41:38.861  INFO 8756 --- [][generic][T#1]] org.elasticsearch.client.transport       : [Ghaur] failed to get node info for {#transport#-1}{192.168.3.50}{192.168.3.50:9200}, disconnecting...

org.elasticsearch.transport.ReceiveTimeoutTransportException: [][192.168.3.50:9200][cluster:monitor/nodes/liveness] request_id [94] timed out after [5000ms]
    at org.elasticsearch.transport.TransportService$TimeoutHandler.run(TransportService.java:698) ~[elasticsearch-2.4.4.jar:2.4.4]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_102]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_102]
    at java.lang.Thread.run(Thread.java:745) [na:1.8.0_102]

2017-09-25 11:41:48.866  INFO 8756 --- [][generic][T#1]] org.elasticsearch.client.transport       : [Ghaur] failed to get node info for {#transport#-1}{192.168.3.50}{192.168.3.50:9200}, disconnecting...

org.elasticsearch.transport.ReceiveTimeoutTransportException: [][192.168.3.50:9200][cluster:monitor/nodes/liveness] request_id [95] timed out after [5001ms]
    at org.elasticsearch.transport.TransportService$TimeoutHandler.run(TransportService.java:698) ~[elasticsearch-2.4.4.jar:2.4.4]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_102]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_102]
    at java.lang.Thread.run(Thread.java:745) [na:1.8.0_102]

2017-09-25 11:41:58.872  INFO 8756 --- [][generic][T#1]] org.elasticsearch.client.transport       : [Ghaur] failed to get node info for {#transport#-1}{192.168.3.50}{192.168.3.50:9200}, disconnecting...

org.elasticsearch.transport.ReceiveTimeoutTransportException: [][192.168.3.50:9200][cluster:monitor/nodes/liveness] request_id [96] timed out after [5002ms]
    at org.elasticsearch.transport.TransportService$TimeoutHandler.run(TransportService.java:698) ~[elasticsearch-2.4.4.jar:2.4.4]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_102]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_102]
    at java.lang.Thread.run(Thread.java:745) [na:1.8.0_102]

2017-09-25 11:42:08.877  INFO 8756 --- [][generic][T#1]] org.elasticsearch.client.transport       : [Ghaur] failed to get node info for {#transport#-1}{192.168.3.50}{192.168.3.50:9200}, disconnecting...

org.elasticsearch.transport.ReceiveTimeoutTransportException: [][192.168.3.50:9200][cluster:monitor/nodes/liveness] request_id [97] timed out after [5000ms]
    at org.elasticsearch.transport.TransportService$TimeoutHandler.run(TransportService.java:698) ~[elasticsearch-2.4.4.jar:2.4.4]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_102]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_102]
    at java.lang.Thread.run(Thread.java:745) [na:1.8.0_102]

2017-09-25 11:42:18.882  INFO 8756 --- [][generic][T#1]] org.elasticsearch.client.transport       : [Ghaur] failed to get node info for {#transport#-1}{192.168.3.50}{192.168.3.50:9200}, disconnecting...

org.elasticsearch.transport.ReceiveTimeoutTransportException: [][192.168.3.50:9200][cluster:monitor/nodes/liveness] request_id [98] timed out after [5001ms]
    at org.elasticsearch.transport.TransportService$TimeoutHandler.run(TransportService.java:698) ~[elasticsearch-2.4.4.jar:2.4.4]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_102]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_102]
    at java.lang.Thread.run(Thread.java:745) [na:1.8.0_102]

2017-09-25 11:42:28.887  INFO 8756 --- [][generic][T#1]] org.elasticsearch.client.transport       : [Ghaur] failed to get node info for {#transport#-1}{192.168.3.50}{192.168.3.50:9200}, disconnecting...

org.elasticsearch.transport.ReceiveTimeoutTransportException: [][192.168.3.50:9200][cluster:monitor/nodes/liveness] request_id [99] timed out after [5000ms]
    at org.elasticsearch.transport.TransportService$TimeoutHandler.run(TransportService.java:698) ~[elasticsearch-2.4.4.jar:2.4.4]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_102]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_102]
    at java.lang.Thread.run(Thread.java:745) [na:1.8.0_102]