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09-13-2021
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09-16-2021
09:01 AM
Hey keotaixiu88, are you facing same issue or you have a solution to this problem?
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09-16-2021
07:53 AM
Hi, I am looking to install nifi on 3 clusters, and below is the loop which kept on running: 2021-09-16 13:34:35,324 INFO [Curator-Framework-0] o.a.c.f.state.ConnectionStateManager State change: SUSPENDED 2021-09-16 13:34:36,836 WARN [main] o.a.n.c.l.e.CuratorLeaderElectionManager Unable to determine the Elected Leader for role 'Cluster Coordinator' due to org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /nifi/leaders/Cluster Coordinator; assuming no leader has been elected 2021-09-16 13:34:36,837 INFO [Curator-Framework-0] o.a.c.f.imps.CuratorFrameworkImpl backgroundOperationsLoop exiting 2021-09-16 13:34:37,438 INFO [main] o.apache.nifi.controller.FlowController It appears that no Cluster Coordinator has been Elected yet. Registering for Cluster Coordinator Role. 2021-09-16 13:34:37,439 INFO [main] o.a.n.c.l.e.CuratorLeaderElectionManager CuratorLeaderElectionManager[stopped=true] Registered new Leader Selector for role Cluster Coordinator; this node is an active participant in the election. 2021-09-16 13:34:37,439 INFO [main] o.a.c.f.imps.CuratorFrameworkImpl Starting 2021-09-16 13:34:37,439 INFO [main] org.apache.zookeeper.ClientCnxnSocket jute.maxbuffer value is 4194304 Bytes 2021-09-16 13:34:37,440 INFO [main] o.a.c.f.imps.CuratorFrameworkImpl Default schema 2021-09-16 13:34:37,442 INFO [main] o.a.n.c.l.e.CuratorLeaderElectionManager CuratorLeaderElectionManager[stopped=false] Registered new Leader Selector for role Cluster Coordinator; this node is an active participant in the election. 2021-09-16 13:34:37,442 INFO [main] o.a.n.c.l.e.CuratorLeaderElectionManager CuratorLeaderElectionManager[stopped=false] started 2021-09-16 13:34:37,442 INFO [main] o.a.n.c.c.h.AbstractHeartbeatMonitor Heartbeat Monitor started there is no error in the logs or any hard failure. Here is the screenshot of the error: Thanks,
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Apache NiFi
09-13-2021
09:00 AM
if working example of attributeRollingWindow is there, that would be of help too. Thanks,
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09-13-2021
02:46 AM
Hi, I'm writing this to get a solution for the problem, where a stream of messages are sent and I want to count the word "Apples" in the stream of data, let's say in a window of 10 seconds. I tried AttributeRollingWindow but couldn't got the desired response. Thanks in Advance,
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Apache NiFi