java.io.IOException: An existing connection was forcibly closed by the remote host
	at sun.nio.ch.SocketDispatcher.read0(Native Method) ~[?:1.8.0_25]
	at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:43) ~[?:1.8.0_25]
	at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223) ~[?:1.8.0_25]
	at sun.nio.ch.IOUtil.read(IOUtil.java:192) ~[?:1.8.0_25]
	at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:379) ~[?:1.8.0_25]
	at io.netty.buffer.UnpooledUnsafeDirectByteBuf.setBytes(UnpooledUnsafeDirectByteBuf.java:446) ~[UnpooledUnsafeDirectByteBuf.class:4.0.23.Final]
	at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:881) ~[AbstractByteBuf.class:4.0.23.Final]
	at io.netty.channel.socket.nio.NioSocketChannel.doReadBytes(NioSocketChannel.java:225) ~[NioSocketChannel.class:4.0.23.Final]
	at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:119) [AbstractNioByteChannel$NioByteUnsafe.class:4.0.23.Final]
	at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511) [NioEventLoop.class:4.0.23.Final]
	at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468) [NioEventLoop.class:4.0.23.Final]
	at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382) [NioEventLoop.class:4.0.23.Final]
	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354) [NioEventLoop.class:4.0.23.Final]
	at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116) [SingleThreadEventExecutor$2.class:4.0.23.Final]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_25]