Adding this line in the nifi.properties gets it to work: nifi.cluster.load.balance.address=0.0.0.0
There are a mismatch between nifi.properties and the java file handling the properties nifi.properties: nifi.cluster.load.balance.host nifi-commons/nifi-properties/src/main/java/org/apache/nifi/util/NiFiProperties.java: nifi.cluster.load.balance.address kind regards Jens Den fre. 11. jun. 2021 kl. 06.54 skrev Jens M. Kofoed < [email protected]>: > I found out that another user has reported the same bug in JIRA: > https://issues.apache.org/jira/browse/NIFI-8643 > > so I'm not the only one, seeing this problem. > Kind regards > Jens > > Den tor. 10. jun. 2021 kl. 20.08 skrev Jens M. Kofoed < > [email protected]>: > >> I have also tried to not specify any load balance host: >> nifi.cluster.load.balance.host= >> >> In the documentation is says: "If not specified, will default to the >> value used by the nifi.cluster.node.address property." and this port is >> working and bind to 0.0.0.0 >> >> Kind regards >> Jens >> >> Den tor. 10. jun. 2021 kl. 19.51 skrev Jens M. Kofoed < >> [email protected]>: >> >>> Joe, Sorry if there is a space in the mail. There is no spaces in the >>> original config. I had to change the original address with an anonymous >>> >>> /jens >>> >>> Den 10. jun. 2021 kl. 19.31 skrev Joe Gresock <[email protected]>: >>> >>> 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 >>>> >>>
