[jira] [Resolved] (NIFI-1735) Confusing messages in app log when DNS issues occur on a system with a NCM

["David Handermann (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/NIFI-1735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

David Handermann resolved NIFI-1735.
------------------------------------
    Resolution: Abandoned

> Confusing messages in app log when DNS issues occur on a system with a NCM
> --------------------------------------------------------------------------
>
>                 Key: NIFI-1735
>                 URL: https://issues.apache.org/jira/browse/NIFI-1735
>             Project: Apache NiFi
>          Issue Type: Bug
>            Reporter: Wynner
>            Priority: Minor
>
> When a system running with a NCM instance of NiFi has DNS issues, the logging is confusing to the user and leads the user to believe there is a firewall issue.
> INFO [Process Pending Heartbeats] o.a.n.c.manager.impl.WebClusterManager Node Event: [id=xxx, apiAddress=hostname, apiPort=port, socketAddress=hostname, socketPort=port] -- 'Firewall blocked received heartbeat. Issuing disconnection request.'
> INFO [Process Pending Heartbeats] o.a.n.c.manager.impl.WebClusterManager Node Event: [id=xxx, apiAddress=hostname, apiPort=port, socketAddress=hostname, socketPort=port] -- 'Disconnection requested due to Blocked By Firewall'
> ERROR [Process Pending Heartbeats] o.a.n.c.manager.impl.WebClusterManager Failed to process heartbeat from hostname:port due to org.apache.nifi.cluster.protocol.ProtocolException: Failed to create socket due to: java.net.UnknownHostException: hostname



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