Hi all,
I have a three node ES cluster with IP (10.0.1.10,10.0.1.11,10.0.1.12), following WARN has been found in the log.
in the following log, a remote address has been mentioned which is not a member of cluster (10.0.1.244)
[2021-04-12T17:27:58,229][WARN ][o.e.x.s.t.n.SecurityNetty4ServerTransport] [node-SRV110] exception caught on transport layer [NettyTcpChannel{localAddress=/10.0.1.10:9300, remoteAddress=/10.0.1.244:40297}], closing connection
io.netty.handler.codec.DecoderException: java.io.StreamCorruptedException: invalid internal transport message format, got (74,1f,4a,84)
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:472) ~[netty-codec-4.1.30.Final.jar:4.1.30.Final]
at io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:405) ~[netty-codec-4.1.30.Final.jar:4.1.30.Final]
at io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:372) ~[netty-codec-4.1.30.Final.jar:4.1.30.Final]
at io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:355) ~[netty-codec-4.1.30.Final.jar:4.1.30.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:245) [netty-transport-4.1.30.Final.jar:4.1.30.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:231) [netty-transport-4.1.30.Final.jar:4.1.30.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:224) [netty-transport-4.1.30.Final.jar:4.1.30.Final]
at io.netty.handler.logging.LoggingHandler.channelInactive(LoggingHandler.java:167) [netty-handler-4.1.30.Final.jar:4.1.30.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:245) [netty-transport-4.1.30.Final.jar:4.1.30.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:231) [netty-transport-4.1.30.Final.jar:4.1.30.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:224) [netty-transport-4.1.30.Final.jar:4.1.30.Final]
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelInactive(DefaultChannelPipeline.java:1429) [netty-transport-4.1.30.Final.jar:4.1.30.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:245) [netty-transport-4.1.30.Final.jar:4.1.30.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:231) [netty-transport-4.1.30.Final.jar:4.1.30.Final]
at io.netty.channel.DefaultChannelPipeline.fireChannelInactive(DefaultChannelPipeline.java:947) [netty-transport-4.1.30.Final.jar:4.1.30.Final]
at io.netty.channel.AbstractChannel$AbstractUnsafe$8.run(AbstractChannel.java:822) [netty-transport-4.1.30.Final.jar:4.1.30.Final]
at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163) [netty-common-4.1.30.Final.jar:4.1.30.Final]
at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:404) [netty-common-4.1.30.Final.jar:4.1.30.Final]
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:462) [netty-transport-4.1.30.Final.jar:4.1.30.Final]
at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:897) [netty-common-4.1.30.Final.jar:4.1.30.Final]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_152]
Caused by: java.io.StreamCorruptedException: invalid internal transport message format, got (74,1f,4a,84)
at org.elasticsearch.transport.TcpTransport.validateMessageHeader(TcpTransport.java:1072) ~[elasticsearch-6.5.4.jar:6.5.4]
at org.elasticsearch.transport.netty4.Netty4SizeHeaderFrameDecoder.decode(Netty4SizeHeaderFrameDecoder.java:36) ~[transport-netty4-client-6.5.4.jar:6.5.4]
at io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:502) ~[netty-codec-4.1.30.Final.jar:4.1.30.Final]
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:441) ~[netty-codec-4.1.30.Final.jar:4.1.30.Final]
... 20 more