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https://issues.apache.org/jira/browse/NIFI-4241?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Pierre Villard resolved NIFI-4241.
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Resolution: Feedback Received
Apache NiFi 1.x is no longer maintained and no new release is planned on the
1.x release line. Marking as resolved as part of a cleanup operation. Please
open a new one with an updated description if this is still relevant for NiFi
2.x.
> ListSFTP node in Nifi cluster is sending warnings for unreachable peers
> -----------------------------------------------------------------------
>
> Key: NIFI-4241
> URL: https://issues.apache.org/jira/browse/NIFI-4241
> Project: Apache NiFi
> Issue Type: Bug
> Affects Versions: 1.3.0
> Environment: Docker container within VM:
> docker@myvm5:~$ uname -a
> Linux myvm5 4.4.74-boot2docker #1 SMP Mon Jun 26 18:01:14 UTC 2017 x86_64
> GNU/Linux
> Reporter: Frank Thiele
> Priority: Minor
> Attachments: Overview.png, cluster.png, flow.xml
>
>
> I have setup a small cluster with 3 nodes nifi1:8080, nifi2:8081 and
> nifi3:8082.
> When I configure a ListSFTP processor and run it, the following warning comes
> up:
> {code}
> 2017-07-31 06:25:05,763 INFO [Clustering Tasks Thread-2]
> o.a.n.c.c.ClusterProtocolHeartbeater Heartbeat created at 2017-07-31
> 06:25:05,754 and sent to nifi1:10600 at 2017-07-31 06:25:05,763; send took 9
> millis
> 2017-07-31 06:25:07,947 WARN [Http Site-to-Site PeerSelector]
> o.apache.nifi.remote.client.PeerSelector Could not communicate with
> nifi1:8081 to determine which nodes exist in the remote NiFi cluster, due to
> org.apache.http.conn.HttpHostConnectException: Connect to nifi1:8081
> [nifi1/10.0.0.32] failed: Connection refused (Connection refused)
> 2017-07-31 06:25:07,947 WARN [Http Site-to-Site PeerSelector]
> o.apache.nifi.remote.client.PeerSelector
> org.apache.nifi.remote.client.PeerSelector@4516d212 Unable to refresh Remote
> Group's peers due to Unable to communicate with remote NiFi cluster in order
> to determine which nodes exist in the remote cluster
> 2017-07-31 06:25:10,775 INFO [Clustering Tasks Thread-1]
> o.a.n.c.c.ClusterProtocolHeartbeater Heartbeat created at 2017-07-31
> 06:25:10,764 and sent to nifi1:10600 at 2017-07-31 06:25:10,775; send took 10
> millis
> 2017-07-31 06:25:12,951 WARN [Http Site-to-Site PeerSelector]
> o.apache.nifi.remote.client.PeerSelector Could not communicate with
> nifi1:8081 to determine which nodes exist in the remote NiFi cluster, due to
> org.apache.http.conn.HttpHostConnectException: Connect to nifi1:8081
> [nifi1/10.0.0.32] failed: Connection refused (Connection refused)
> 2017-07-31 06:25:12,951 WARN [Http Site-to-Site PeerSelector]
> o.apache.nifi.remote.client.PeerSelector
> org.apache.nifi.remote.client.PeerSelector@4516d212 Unable to refresh Remote
> Group's peers due to Unable to communicate with remote NiFi cluster in order
> to determine which nodes exist in the remote cluster
> 2017-07-31 06:25:15,781 INFO [Clustering Tasks Thread-3]
> o.a.n.c.c.ClusterProtocolHeartbeater Heartbeat created at 2017-07-31
> 06:25:15,775 and sent to nifi1:10600 at 2017-07-31 06:25:15,781; send took 5
> millis
> 2017-07-31 06:25:17,954 WARN [Http Site-to-Site PeerSelector]
> o.apache.nifi.remote.client.PeerSelector Could not communicate with
> nifi1:8081 to determine which nodes exist in the remote NiFi cluster, due to
> org.apache.http.conn.HttpHostConnectException: Connect to nifi1:8081
> [nifi1/10.0.0.32] failed: Connection refused (Connection refused)
> 2017-07-31 06:25:17,955 WARN [Http Site-to-Site PeerSelector]
> o.apache.nifi.remote.client.PeerSelector
> org.apache.nifi.remote.client.PeerSelector@4516d212 Unable to refresh Remote
> Group's peers due to Unable to communicate with remote NiFi cluster in order
> to determine which nodes exist in the remote cluster
> 2017-07-31 06:25:20,790 INFO [Clustering Tasks Thread-2]
> o.a.n.c.c.ClusterProtocolHeartbeater Heartbeat created at 2017-07-31
> 06:25:20,782 and sent to nifi1:10600 at 2017-07-31 06:25:20,790; send took 7
> millis
> 2017-07-31 06:25:22,959 WARN [Http Site-to-Site PeerSelector]
> o.apache.nifi.remote.client.PeerSelector Could not communicate with
> nifi1:8081 to determine which nodes exist in the remote NiFi cluster, due to
> org.apache.http.conn.HttpHostConnectException: Connect to nifi1:8081
> [nifi1/10.0.0.32] failed: Connection refused (Connection refused)
> 2017-07-31 06:25:22,959 WARN [Http Site-to-Site PeerSelector]
> o.apache.nifi.remote.client.PeerSelector
> org.apache.nifi.remote.client.PeerSelector@4516d212 Unable to refresh Remote
> Group's peers due to Unable to communicate with remote NiFi cluster in order
> to determine which nodes exist in the remote cluster
> 2017-07-31 06:25:25,798 INFO [Clustering Tasks Thread-1]
> o.a.n.c.c.ClusterProtocolHeartbeater Heartbeat created at 2017-07-31
> 06:25:25,790 and sent to nifi1:10600 at 2017-07-31 06:25:25,798; send took 6
> millis
> 2017-07-31 06:25:27,962 WARN [Http Site-to-Site PeerSelector]
> o.apache.nifi.remote.client.PeerSelector Could not communicate with
> nifi1:8081 to determine which nodes exist in the remote NiFi cluster, due to
> org.apache.http.conn.HttpHostConnectException: Connect to nifi1:8081
> [nifi1/10.0.0.32] failed: Connection refused (Connection refused)
> 2017-07-31 06:25:27,962 WARN [Http Site-to-Site PeerSelector]
> o.apache.nifi.remote.client.PeerSelector
> org.apache.nifi.remote.client.PeerSelector@4516d212 Unable to refresh Remote
> Group's peers due to Unable to communicate with remote NiFi cluster in order
> to determine which nodes exist in the remote cluster
> {code}
> This is unexpected as the node address is wrong -- it should be nifi1:8080
> instead of nifi1:8082 (being the port of the local machine I have taken the
> warning from). The same error I can see in the logs of nifi2 (for peer
> "nifi1:8081").
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