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https://issues.apache.org/jira/browse/NIFI-9622?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17623287#comment-17623287
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Yuriy Malygin commented on NIFI-9622:
-------------------------------------
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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