message log file

[11/20/17 7:59:42:030 MUT] 00000845 SystemOut                                                    O [07:59:42,030][WARN ][org.elasticsearch.cluster.service] [worklightNode_3190] failed to reconnect to node [worklightNode_3190][wAAVYUm2RxSkct52Fyp_hQ][DESKTOP-FP91UU0][inet[/192.168.100.4:9600]]
org.elasticsearch.transport.ConnectTransportException: [worklightNode_3190][inet[/192.168.100.4:9600]] connect_timeout[30s]
	at org.elasticsearch.transport.netty.NettyTransport.connectToChannels(NettyTransport.java:825)
	at org.elasticsearch.transport.netty.NettyTransport.connectToNode(NettyTransport.java:758)
	at org.elasticsearch.transport.netty.NettyTransport.connectToNode(NettyTransport.java:731)
	at org.elasticsearch.transport.TransportService.connectToNode(TransportService.java:216)
	at org.elasticsearch.cluster.service.InternalClusterService$ReconnectToNodes.run(InternalClusterService.java:584)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
Caused by: java.net.ConnectException: Connection refused: no further information: /192.168.100.4:9600
	at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
	at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
	at org.elasticsearch.common.netty.channel.socket.nio.NioClientBoss.connect(NioClientBoss.java:152)
	at org.elasticsearch.common.netty.channel.socket.nio.NioClientBoss.processSelectedKeys(NioClientBoss.java:105)
	at org.elasticsearch.common.netty.channel.socket.nio.NioClientBoss.process(NioClientBoss.java:79)
	at org.elasticsearch.common.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:337)
	at org.elasticsearch.common.netty.channel.socket.nio.NioClientBoss.run(NioClientBoss.java:42)
	at org.elasticsearch.common.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
	at org.elasticsearch.common.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
	... 3 more