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All Nodes are disconnected from NiFI Cluster

by Explorer in Support Questions
‎07-05-2018 08:12 AM
1 Kudo
‎07-05-2018 08:12 AM
1 Kudo
Hi, I have a 3 node NiFi cluster in the production environment. it has been observed that all the nodes are disconnected from nifi-cluster and all nodes are in running state. Below are logged. 018-07-05 00:30:19,650 ERROR [Site-to-Site Worker Thread-90476] o.a.nifi.remote.SocketRemoteSiteListener Unable to communicate with remote instance Peer[url=<>] (SocketFlowFileServerProtocol[CommsID=9f090b3e-f5cd-4dae-b893-ef3ba983afef]) due to org.apache.nifi.cluster.exception.NoClusterCoordinatorException: No node has yet been elected Cluster Coordinator. Cannot establish connection to cluster yet.; closing connection Thanks Dilip ... View more
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NiFi Cluster: Getting 409-Conflict in HTTP calls v...

by Explorer in Support Questions
‎05-29-2018 11:48 AM
‎05-29-2018 11:48 AM
Hello, I have NiFi Cluster of 2 Nodes, I am using NiFI REST API call to create process group, instantiation of templates, enabling and running processors etc. Sometimes all calls are working fine but randomly getting conflict in any one of the HTTP Call, for the calls which are failing getting 409 in response. It was working fine with Standalone NiFi. Thanks in advance Dilip ... View more
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NiFI Content Repository archival is not working so...

by Explorer in Support Questions
‎05-22-2018 03:53 PM
‎05-22-2018 03:53 PM
We have set up the archival process in NiFI with below configuration. # Content Repository nifi.content.repository.implementation=org.apache.nifi.controller.repository.FileSystemRepository nifi.content.claim.max.appendable.size=10 MB nifi.content.claim.max.flow.files=100 nifi.content.repository.directory.default=/opt/nifi/data/content_repository nifi.content.repository.archive.max.retention.period=12 hours nifi.content.repository.archive.max.usage.percentage=50% nifi.content.repository.archive.enabled=true nifi.content.repository.always.sync=false nifi.content.viewer.url=/nifi-content-viewer/ Please refer attached screenshot there is nothing in archived directory in content repository. Dilip ... View more
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NiFI UI Slowness with more than 1000 templates

by Explorer in Support Questions
‎05-22-2018 03:32 PM
‎05-22-2018 03:32 PM
NiFi UI becomes very slow i.e unresponsive all calls take 2-5 min or sometimes does not respond. My flow.xml.gz file size is 20 MB when it is compressed and 260 MB uncompressed size. System Configurations: Allocated 20 GB Heap Memory and 8 Cores. ... View more
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Member Since ‎05-22-2018 03:10 PM
Last Visited ‎06-10-2020 07:07 AM
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