ERROR P2P [p2p-in]: Could not read buffer.

[AionMiner]

Description

ERROR P2P appearing frequently in kernel output since v1.6

20-12-10 15:26:28.225 ERROR P2P  [p2p-in]: Could not read buffer.
java.io.IOException: Connection reset by peer
	at java.base/sun.nio.ch.FileDispatcherImpl.read0(Native Method)
	at java.base/sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39)
	at java.base/sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:276)
	at java.base/sun.nio.ch.IOUtil.read(IOUtil.java:245)
	at java.base/sun.nio.ch.IOUtil.read(IOUtil.java:223)
	at java.base/sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:358)
	at org.aion.p2p.impl1.P2pMgr.readBuffer(P2pMgr.java:738)
	at org.aion.p2p.impl1.P2pMgr.checkSelector(P2pMgr.java:593)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
	at java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at java.base/java.lang.Thread.run(Thread.java:834)

Similar error notice looks to have been suppressed previously, as per closed issue https://github.com/aionnetwork/aion/issues/357

Log config is default:

<log>
    <!--Enable/Disable logback service; if disabled, output will not be logged.-->
    <log-file>true</log-file>
    <!--Sets the physical location on disk where log files will be stored.-->
    <log-path>log</log-path>
    <DB>WARN</DB>
    <GEN>INFO</GEN>
    <VM>ERROR</VM>
    <SYNC>INFO</SYNC>
    <CONS>INFO</CONS>
    <TXPOOL>WARN</TXPOOL>
    <API>INFO</API>
    <ROOT>WARN</ROOT>
    <P2P>INFO</P2P>
    <TX>WARN</TX>
</log>

System Information

I'm running:

• Which Aion version?: 1.6.1.0528110
• Which operating system?: Linux
• Which distributor and version?: Ubuntu 20.10
• How installed?: via binaries
• Are you fully synchronized?: yes
• Did you try to restart the node?: yes

[AionJayT]

@AionMiner Thanks for the report. We will suppress the log to the DEBUG level.