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https://issues.apache.org/jira/browse/NIFI-15304?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Handermann updated NIFI-15304:
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Status: Patch Available (was: Open)
> SO_KEEPALIVE Warning in ListenSyslog
> ------------------------------------
>
> Key: NIFI-15304
> URL: https://issues.apache.org/jira/browse/NIFI-15304
> Project: Apache NiFi
> Issue Type: Bug
> Components: Extensions
> Reporter: David Handermann
> Assignee: David Handermann
> Priority: Minor
> Fix For: 2.7.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> The {{ListenSyslog}} Processor includes a {{Socket Keep Alive}} property that
> controls the setting the {{SO_KEEPALIVE}} option when building the server
> socket configuration. Regardless of the property value, Netty logs the
> following warning:
> {noformat}
> io.netty.bootstrap.ServerBootstrap - Unknown channel option 'SO_KEEPALIVE'
> for channel '[id: 0xdd97eee7]' of type 'class
> io.netty.channel.socket.nio.NioServerSocketChannel'
> {noformat}
> As indicated in the warning, the supporting Netty NioServerSocketChannel does
> not support the SO_KEEPALIVE option.
> Removing the {{Socket Keep Alive}} property should eliminate this warning and
> avoid attempting to configure an unsupported channel option.
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