This is a bug. There are a mismatch between documentation, nifi.properties and the java class handling the properties https://issues.apache.org/jira/browse/NIFI-8643 kind regards Jens
Den fre. 11. jun. 2021 kl. 07.51 skrev Jens M. Kofoed < jmkofoed....@gmail.com>: > 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 < > jmkofoed....@gmail.com>: > >> 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 < >> jmkofoed....@gmail.com>: >> >>> 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 < >>> jmkofoed....@gmail.com>: >>> >>>> 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 <jgres...@gmail.com>: >>>> >>>> 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 <jmkofoed....@gmail.com> >>>> 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 >>>>> >>>>
