Error Messages in Logstash Logfile io.netty.channel

Elastic Stack Beats
1

Hi,

I am recieving the following errors in my logstash log file on the instance on a regular basis:

[2020-09-15T02:00:17,587][WARN ][io.netty.channel.DefaultChannelPipeline][main][localinstance] An exceptionCaught() event was fired, and it reached at the tail of the pipeline. It usually means the last handler in the pipeline did not handle the exception.
java.io.IOException: Connection reset by peer
        at sun.nio.ch.FileDispatcherImpl.read0(Native Method) ~[?:1.8.0_262]
        at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39) ~[?:1.8.0_262]
        at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223) ~[?:1.8.0_262]
        at sun.nio.ch.IOUtil.read(IOUtil.java:192) ~[?:1.8.0_262]
        at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:377) ~[?:1.8.0_262]
        at io.netty.buffer.PooledByteBuf.setBytes(PooledByteBuf.java:253) ~[netty-all-4.1.49.Final.jar:4.1.49.Final]
        at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:1133) ~[netty-all-4.1.49.Final.jar:4.1.49.Final]
        at io.netty.channel.socket.nio.NioSocketChannel.doReadBytes(NioSocketChannel.java:350) ~[netty-all-4.1.49.Final.jar:4.1.49.Final]
        at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:148) ~[netty-all-4.1.49.Final.jar:4.1.49.Final]
        at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714) ~[netty-all-4.1.49.Final.jar:4.1.49.Final]
        at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650) ~[netty-all-4.1.49.Final.jar:4.1.49.Final]
        at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576) ~[netty-all-4.1.49.Final.jar:4.1.49.Final]
        at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493) [netty-all-4.1.49.Final.jar:4.1.49.Final]
        at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989) [netty-all-4.1.49.Final.jar:4.1.49.Final]
        at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) [netty-all-4.1.49.Final.jar:4.1.49.Final]
        at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) [netty-all-4.1.49.Final.jar:4.1.49.Final]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_262]

What causes these Error Messages?

Kind Regards,
Kevin

2

Are you running your software in the cloud? It looks like a transient network issue.

3

Hi Marcin,

Thanks for your answer!

No, everything is run on premise. I have read online, that it could be an ssl issue, but we actually have SSL enabled on both ends. Winlogbeat Config on the Clients and on the Logstash Instance.

4

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