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https://issues.apache.org/jira/browse/NIFI-6886?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16978481#comment-16978481
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Bryan Bende commented on NIFI-6886:
-----------------------------------
I mentioned this in Slack, but also mentioning here to ensure it is seen...
{color:#1d1c1d}If you can enable DEBUG logging in logback.xml for this package
{color}{{org.apache.nifi.remote.client}}{color:#1d1c1d} it would produce a
stacktrace to go with that WARNING, and it would be very helpful for someone
debugging this.{color}
> Unable to refresh Remote Group's peers due to null
> --------------------------------------------------
>
> Key: NIFI-6886
> URL: https://issues.apache.org/jira/browse/NIFI-6886
> Project: Apache NiFi
> Issue Type: Bug
> Components: Extensions
> Affects Versions: 1.10.0
> Environment: Linux CentOS 7 x64
> Reporter: Eduardo Mota Fontes
> Priority: Major
>
> If you create SiteToSiteBulletinReportingTask pointing to cluster itself to
> an arbitrary input port it generates Bulletin in every execution:
> WARNING
> *SiteToSiteBulletinReportingTask[id=843df3f5-016e-1000-15f0-c32647b2a675]
> org.apache.nifi.remote.client.PeerSelector@48a5201e Unable to refresh Remote
> Group's peers due to null*
> This log appears in nifi-app.log too.
> Try to debug this error, I figure out that has a new PeerSelector
> implementation in version 1.10.0 and the error occurs when it tries to save
> the Peers State.
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