David Handermann created NIFI-15304:
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Summary: 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
Fix For: 2.6.0
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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