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Posted to issues@nifi.apache.org by "Yuriy Malygin (Jira)" <ji...@apache.org> on 2022/10/24 17:11:00 UTC
[jira] (NIFI-9622) There is currently no Cluster Coordinator. This often happens upon restart of NiFi when running an embedded ZooKeeper. Will register this node to become the active Cluster Coordinator and will attempt to connect to cluster again.
[ https://issues.apache.org/jira/browse/NIFI-9622 ]
Yuriy Malygin deleted comment on NIFI-9622:
-------------------------------------
was (Author: _ph):
Same problem when trying to start cluster (three nodes, version 1.18.0) with SASL/SSL security features in external (not embedded) Zookeeper cluster and NiFi.
> There is currently no Cluster Coordinator. This often happens upon restart of NiFi when running an embedded ZooKeeper. Will register this node to become the active Cluster Coordinator and will attempt to connect to cluster again.
> --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: NIFI-9622
> URL: https://issues.apache.org/jira/browse/NIFI-9622
> Project: Apache NiFi
> Issue Type: Bug
> Components: Docker
> Reporter: Tarun Bali
> Priority: Blocker
>
> Hi Community,
> I am trying to run nifi through docker compose but getting below WARN:
> There is currently no Cluster Coordinator. This often happens upon restart of NiFi when running an embedded ZooKeeper. Will register this node to become the active Cluster Coordinator and will attempt to connect to cluster again
> Attempted to register Leader Election for role 'Cluster Coordinator' but this role is already registered.
>
> The NiFI UI is in invalid state and saying that The Flow Controller is initializing the Data Flow.
> Below are my docker-compose config:
>
> zookeeper:
> hostname: zookeeper
> image: zookeeper:latest
> container_name: zookeeper
> ports:
> - "2181:2181"
> networks:
> net_pet:
> ipv4_address: 172.27.1.15
> environment:
> - ZOOKEEPER_HOST_NAME=zookeeper
> - ZOOKEEPER_CONNECTION_TIMEOUT_MS=60000000
> - STREAMS_ZK_SESSION_TIMEOUT_SEC=600000
> - ALLOW_ANONYMOUS_LOGIN=yes
> nifi:
> image: apache/nifi:latest
> ports:
> - 8080
> environment:
> - NIFI_WEB_HTTP_PORT=8080
> - NIFI_CLUSTER_IS_NODE=true
> - NIFI_CLUSTER_NODE_PROTOCOL_PORT=8082
> - NIFI_ZK_CONNECT_STRING=172.27.1.15:2181
> - NIFI_ELECTION_MAX_WAIT=1 min
> - NIFI_SENSITIVE_PROPS_KEY=tarunbali
>
>
>
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