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https://issues.apache.org/jira/browse/NIFI-6414?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Handermann resolved NIFI-6414.
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Fix Version/s: 1.14.0
Resolution: Fixed
Refactoring PutSyslog to use Netty changed the behavior of PutSyslog, avoiding
some of the issues with the DatagramChannelSender.
> java.net.PortUnreachableException: null when using DatagramChannelSender (UDP)
> ------------------------------------------------------------------------------
>
> Key: NIFI-6414
> URL: https://issues.apache.org/jira/browse/NIFI-6414
> Project: Apache NiFi
> Issue Type: Bug
> Components: Extensions
> Affects Versions: 1.9.2
> Environment: CentOS 7 with NiFi 1.9.2
> Reporter: Sol Huebner
> Priority: Minor
> Fix For: 1.14.0
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> I get "java.net.PortUnreachableException: null" when I use PutSyslog using
> UDP. I have no issues with TCP. The issue only occurs when you try to use the
> connection multiple times.
> I found a similar issue here:
> [http://www.java-gaming.org/index.php?PHPSESSID=u7ufav5hekdirj9991jll36e81&topic=1751.msg16721#msg16721]
> So I tried to modify DatagramChannelSender.java of the nifi-processor-utils:
> if (!channel.isConnected()) {
>
> {color:#59afe1}channel.socket().bind(newInetSocketAddress(InetAddress.getByName(host),
> port));{color}
> channel.connect(newInetSocketAddress(InetAddress.getByName(host), port));
> }
>
> And with the added line I have no more issues but it seems that with that
> extra line the NiFi tests fail. I need to spend more time to debug why.
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