Es server connect to client，than throw connect timeout

Elastic Stack Elasticsearch
1

Hi,
I have some doubts.
problem: I use es-rest client api，than the es-server throw connect timeout. It could be this. I can't imagine why es-server connect to client?

Thanks.

[2018-01-18T05:11:15,107][WARN ][o.e.h.n.Netty4HttpServerTransport] [nodeMaster] caught exception while handling client http traffic, closing connection [id: 0xd66d089f, L:/XXXX:9200 - R:/XXXX:37333]
java.io.IOException: connect time out
	at sun.nio.ch.FileDispatcherImpl.read0(Native Method) ~[?:?]
	at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39) ~[?:?]
	at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223) ~[?:?]
	at sun.nio.ch.IOUtil.read(IOUtil.java:197) ~[?:?]
	at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:380) ~[?:?]
	at io.netty.buffer.PooledHeapByteBuf.setBytes(PooledHeapByteBuf.java:261) ~[netty-buffer-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:1100) ~[netty-buffer-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.channel.socket.nio.NioSocketChannel.doReadBytes(NioSocketChannel.java:366) ~[netty-transport-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:118) [netty-transport-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:642) [netty-transport-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.channel.nio.NioEventLoop.processSelectedKeysPlain(NioEventLoop.java:527) [netty-transport-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:481) [netty-transport-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:441) [netty-transport-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [netty-common-4.1.7.Final.jar:4.1.7.Final]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_111]
2

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Can you share the logs of your elasticsearch server please?

3

thanks for your reply.
'连接超时' mean connect timeout.

[2018-01-18T03:11:15,228][WARN ][o.e.h.n.Netty4HttpServerTransport] [nodeMaster] caught exception while handling client http traffic, closing connection [id: 0xd84da933, L:/x.x.x.x:9200 - R:/x.x.x.x:57567]
java.io.IOException: 连接超时
	at sun.nio.ch.FileDispatcherImpl.read0(Native Method) ~[?:?]
	at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39) ~[?:?]
	at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223) ~[?:?]
	at sun.nio.ch.IOUtil.read(IOUtil.java:197) ~[?:?]
	at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:380) ~[?:?]
	at io.netty.buffer.PooledHeapByteBuf.setBytes(PooledHeapByteBuf.java:261) ~[netty-buffer-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:1100) ~[netty-buffer-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.channel.socket.nio.NioSocketChannel.doReadBytes(NioSocketChannel.java:366) ~[netty-transport-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:118) [netty-transport-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:642) [netty-transport-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.channel.nio.NioEventLoop.processSelectedKeysPlain(NioEventLoop.java:527) [netty-transport-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:481) [netty-transport-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:441) [netty-transport-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [netty-common-4.1.7.Final.jar:4.1.7.Final]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_111]
[2018-01-18T05:11:15,107][WARN ][o.e.h.n.Netty4HttpServerTransport] [nodeMaster] caught exception while handling client http traffic, closing connection [id: 0xd66d089f, L:/x.x.x.x:9200 - R:/x.x.x.x:37333]
java.io.IOException: 连接超时
	at sun.nio.ch.FileDispatcherImpl.read0(Native Method) ~[?:?]
	at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39) ~[?:?]
	at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223) ~[?:?]
	at sun.nio.ch.IOUtil.read(IOUtil.java:197) ~[?:?]
	at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:380) ~[?:?]
	at io.netty.buffer.PooledHeapByteBuf.setBytes(PooledHeapByteBuf.java:261) ~[netty-buffer-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:1100) ~[netty-buffer-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.channel.socket.nio.NioSocketChannel.doReadBytes(NioSocketChannel.java:366) ~[netty-transport-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:118) [netty-transport-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:642) [netty-transport-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.channel.nio.NioEventLoop.processSelectedKeysPlain(NioEventLoop.java:527) [netty-transport-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:481) [netty-transport-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:441) [netty-transport-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [netty-common-4.1.7.Final.jar:4.1.7.Final]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_111]
[2018-01-18T07:11:15,134][WARN ][o.e.h.n.Netty4HttpServerTransport] [nodeMaster] caught exception while handling client http traffic, closing connection [id: 0x30aeee09, L:/x.x.x.x:9200 - R:/x.x.x.x:44273]
java.io.IOException: 连接超时
	at sun.nio.ch.FileDispatcherImpl.read0(Native Method) ~[?:?]
	at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39) ~[?:?]
	at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223) ~[?:?]
	at sun.nio.ch.IOUtil.read(IOUtil.java:197) ~[?:?]
	at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:380) ~[?:?]
	at io.netty.buffer.PooledHeapByteBuf.setBytes(PooledHeapByteBuf.java:261) ~[netty-buffer-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:1100) ~[netty-buffer-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.channel.socket.nio.NioSocketChannel.doReadBytes(NioSocketChannel.java:366) ~[netty-transport-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:118) [netty-transport-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:642) [netty-transport-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.channel.nio.NioEventLoop.processSelectedKeysPlain(NioEventLoop.java:527) [netty-transport-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:481) [netty-transport-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:441) [netty-transport-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [netty-common-4.1.7.Final.jar:4.1.7.Final]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_111]
[2018-01-18T09:11:15,291][WARN ][o.e.h.n.Netty4HttpServerTransport] [nodeMaster] caught exception while handling client http traffic, closing connection [id: 0x981744bd, L:/x.x.x.x:9200 - R:/x.x.x.x:52327]
java.io.IOException: 连接超时
	at sun.nio.ch.FileDispatcherImpl.read0(Native Method) ~[?:?]
	at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39) ~[?:?]
	at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223) ~[?:?]
	at sun.nio.ch.IOUtil.read(IOUtil.java:197) ~[?:?]
	at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:380) ~[?:?]
	at io.netty.buffer.PooledHeapByteBuf.setBytes(PooledHeapByteBuf.java:261) ~[netty-buffer-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:1100) ~[netty-buffer-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.channel.socket.nio.NioSocketChannel.doReadBytes(NioSocketChannel.java:366) ~[netty-transport-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:118) [netty-transport-4.1.7.Final.jar:4.1.7.Final]
	at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:642) [netty-transport-4.1.7.Final.jar:4.1.7.Final]
4

Can you share the beginning of the logs, when elasticsearch starts and also paste the Java code you are using?

5

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