Jens, Can you try removing the space from the nifi.cluster.load.balance.host property and see what happens?
On Thu, Jun 10, 2021 at 1:23 PM Jens M. Kofoed <[email protected]> wrote: > Dear Community > > I have installed and configured a 3 node secured NiFi cluster with NiFi > 1.13.2, Java 8 on Ubuntu 20.04. > I was wondering why the cluster didn't load balance flowfiles after I > configured Round Robins between a ListFTP and FetchFTP Process. (Other > mails earlier today: Round Robin not working NiFi) > After many attempt to find and fix the issues I notes that the load > balance port 6342 was bind to localhost and not 0.0.0.0. > > > netstat -l > Active Internet connections (only servers) > Proto Recv-Q Send-Q Local Address Foreign Address State > tcp 0 0 0.0.0.0:9090 0.0.0.0:* LISTEN > tcp 0 0 0.0.0.0:9443 0.0.0.0:* LISTEN > tcp 0 0 localhost:6342 0.0.0.0:* LISTEN > tcp 0 0 localhost:42603 0.0.0.0:* LISTEN > tcp 0 0 0.0.0.0:ssh 0.0.0.0:* LISTEN > tcp 0 0 node01.domain.com:8443 0.0.0.0:* LISTEN > tcp6 0 0 localhost:42101 [::]:* LISTEN > tcp6 0 0 [::]:ssh [::]:* LISTEN > raw6 0 0 [::]:ipv6-icmp [::]:* 7 > > Part of the configuration is like this: > nifi.web.https.host=node1.domain.com > nifi.web.https.port=8443 > nifi.web.https.network.interface.default=ens192 > nifi.cluster.is.node=true > nifi.cluster.node.address=node01.domain.com > nifi.cluster.node.protocol.port=9443 > nifi.cluster.node.protocol.threads=10 > nifi.cluster.node.protocol.max.threads=50 > nifi.cluster.node.event.history.size=25 > nifi.cluster.node.connection.timeout=5 sec > nifi.cluster.node.read.timeout=5 sec > nifi.cluster.node.max.concurrent.requests=100 > nifi.cluster.firewall.file= > nifi.cluster.flow.election.max.wait.time=5 mins > nifi.cluster.flow.election.max.candidates=3 > > # cluster load balancing properties # > nifi.cluster.load.balance.host= node01.domain.com > 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 > > Errors in nifi-app.log > 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 > 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 node2.domain.com:8443 for load balancing > java.net.ConnectException: Connection refused > > The question is: > Why does the error messages say: Unable to connect to > node2.domain.com:8443 for load balancing > Shouldn't it be port 6342????? > Why does this port bind to localhost while all other ports bind to 0.0.0.0 > or node01.domain.com??? > > kind regards > Jens >
