Ok, and just to confirm, you've verified that each node can talk to the others over port 6342?
On Thu, Jun 10, 2021 at 10:29 AM Jens M. Kofoed <jmkofoed....@gmail.com> wrote: > I have the same error for node2 as well. > All 3 nodes can talk to each other. If I use a remote process group and > connect to an "remote" input port, everything works fine. This is a work > around for round robin. > My configuration for cluster load balance is the default. > nifi.cluster.load.balance.host= > nifi.cluster.load.balance.port=6342 > nifi.cluster.load.balance.connections.per.node=4 > nifi.cluster.load.balance.max.thread.count=8 > nifi.cluster.load.balance.comms.timeout=30 sec > > kind regards > Jens > > > Den tor. 10. jun. 2021 kl. 16.18 skrev Joe Gresock <jgres...@gmail.com>: > >> That would seem to be the culprit :) It sounds like your other nodes >> can't connect to node3 over port 8443. Have you verified that the port is >> open? Same question for all other ports configured in your nifi.properties. >> >> On Thu, Jun 10, 2021 at 10:08 AM Jens M. Kofoed <jmkofoed....@gmail.com> >> wrote: >> >>> Hi Joe >>> >>> Thanks for replaying :-) >>> Looking at status history for the fetchFTP and all the other processers >>> in the flow it is only the primary node which has processed flowfiles. >>> I have created clusters before with no issues, but there must be >>> something tricky which I'm missing. >>> >>> I found this error in the log which explain why it is only the primary >>> node >>> 2021-06-10 16:00:22,078 ERROR [Load-Balanced Client Thread-1] >>> org.apache.nifi.controller.queue.clustered.client.async.nio.NioAsyncLoadBalanceClient >>> Unable to connect to node3.domain.com:8443 for load balancing >>> java.net.ConnectException: Connection refused >>> >>> But I don't know why the Connection should be refused. I can't find any >>> other errors about connections. And know I have added the node group into >>> all policies, so all nodes should have all access rights. >>> >>> Any advice for future investigation? >>> >>> kind regards >>> Jens >>> >>> Den tor. 10. jun. 2021 kl. 15.36 skrev Joe Gresock <jgres...@gmail.com>: >>> >>>> Hi Jens, >>>> >>>> Out of curiosity, when you run the FetchFTP processor, what does the >>>> Status History of that processor show? Is the processor processing files >>>> on all of your nodes or just the primary? >>>> >>>> On Thu, Jun 10, 2021 at 9:07 AM Jens M. Kofoed <jmkofoed....@gmail.com> >>>> wrote: >>>> >>>>> Dear community >>>>> >>>>> I have created a 3 node cluster with NiFi 1.13.2, java 8 on a ubuntu >>>>> 20.04. >>>>> I have a ListFTP Process running on primary node only -> FetchFTP with >>>>> Round Robin on the connection. But if I stop the FetchFTP Process and >>>>> looking at the queue all flowfiles are listed to be on the same node. >>>>> Which >>>>> is also the primary node. >>>>> >>>>> Just for testing purpose, I've tried to set round robin on other >>>>> connection but all files stays on primary node. I have been looking in the >>>>> logs but can't find any errors yet. >>>>> >>>>> Please advice? >>>>> kind regards >>>>> Jens >>>>> >>>>
