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https://issues.apache.org/jira/browse/IGNITE-5630?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16069765#comment-16069765
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Andrew Mashenkov commented on IGNITE-5630:
------------------------------------------
These messages flood logs on unstable topology.
Seems, we shouldn't log stacktrace here and descrease log level to warn if
debug is not enabled.
Full stacktrace with causes and suppressed exceptions can be logged in code
below when all connection attempts have run out.
> Exception for node disconnect
> -----------------------------
>
> Key: IGNITE-5630
> URL: https://issues.apache.org/jira/browse/IGNITE-5630
> Project: Ignite
> Issue Type: Bug
> Affects Versions: 1.8
> Reporter: Sergey Kozlov
> Fix For: 2.1
>
>
> {noformat}
> [09:27:05,772][SEVERE][tcp-comm-worker-#1%null%][TcpCommunicationSpi] Failed
> to establish connection to a remote node [node=TcpDiscoveryNode
> [id=f0d08a47-cccf-48b2-aeb2-9591baae6726, addrs=[127.0.0.1, 172.17.42.1,
> 172.25.2.24], sockAddrs=[/127.0.0.1:47503, agent-24/172.25.2.24:47503,
> /172.17.42.1:47503], discPort=47503, order=88, intOrder=46,
> lastExchangeTime=1498804024671, loc=false, ver=1.8.8#20170629-sha1:82e7d269,
> isClient=false], addr=/127.0.0.1:47103, connectAttempts=2,
> failureDetThrReachedfalse]
> class org.apache.ignite.internal.cluster.ClusterTopologyCheckedException:
> Failed to send message (node left topology): TcpDiscoveryNode
> [id=f0d08a47-cccf-48b2-aeb2-9591baae6726, addrs=[127.0.0.1, 172.17.42.1,
> 172.25.2.24], sockAddrs=[/127.0.0.1:47503, agent-24/172.25.2.24:47503,
> /172.17.42.1:47503], discPort=47503, order=88, intOrder=46,
> lastExchangeTime=1498804024671, loc=false, ver=1.8.8#20170629-sha1:82e7d269,
> isClient=false]
> at
> org.apache.ignite.spi.communication.tcp.TcpCommunicationSpi.createTcpClient(TcpCommunicationSpi.java:2841)
> at
> org.apache.ignite.spi.communication.tcp.TcpCommunicationSpi.createNioClient(TcpCommunicationSpi.java:2597)
> at
> org.apache.ignite.spi.communication.tcp.TcpCommunicationSpi.reserveClient(TcpCommunicationSpi.java:2484)
> at
> org.apache.ignite.spi.communication.tcp.TcpCommunicationSpi.access$5800(TcpCommunicationSpi.java:245)
> at
> org.apache.ignite.spi.communication.tcp.TcpCommunicationSpi$CommunicationWorker.processDisconnect(TcpCommunicationSpi.java:3859)
> at
> org.apache.ignite.spi.communication.tcp.TcpCommunicationSpi$CommunicationWorker.body(TcpCommunicationSpi.java:3685)
> at org.apache.ignite.spi.IgniteSpiThread.run(IgniteSpiThread.java:62)
> {noformat}
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