Исключение настройки кластера NiFi - PullRequest
0 голосов
/ 09 ноября 2018

Я пытаюсь настроить кластер с тремя узлами, используя встроенный zookeeper. Вот мои конфигурации:

zookeeper.properties * * 1004

server.1=192.168.0.104:2888:3888
server.2=192.168.0.101:2888:3888
server.3=192.168.0.102:2888:3888

state-management.xml

<cluster-provider>
        <id>zk-provider</id>
        <class>org.apache.nifi.controller.state.providers.zookeeper.ZooKeeperStateProvider</class>
        <property name="Connect String">192.168.0.104:2181,192.168.0.101:2181,192.168.0.102:2181</property>
        <property name="Root Node">/nifi</property>
        <property name="Session Timeout">10 seconds</property>
        <property name="Access Control">Open</property>
    </cluster-provider>

nifi.properties: nifi.zookeeper.connect.string=192.168.0.104:2181,192.168.0.101:2181,192.168.0.102:2181 nifi.cluster.is.node=true nifi.cluster.node.address=LOCAL_IP nifi.cluster.node.protocol.port=3030 nifi.web.http.host=192.168.0.101 nifi.web.http.port=8080 nifi.remote.input.host=192.168.0.101 nifi.state.management.embedded.zookeeper.start=true

Когда я запускаю все узлы после выборов, в моих журналах появляется следующая ошибка:

2018-11-09 17:15:17,846 INFO [Reconnect to Cluster] o.a.nifi.controller.StandardFlowService Node disconnected due to Failed to properly handle Reconnection request due to org.apache.nifi.cluster.ConnectionException: Failed to connect node to cluster due to: java.lang.NullPointerException
2018-11-09 17:15:17,846 ERROR [Reconnect to Cluster] o.a.nifi.controller.StandardFlowService Handling reconnection request failed due to: org.apache.nifi.cluster.ConnectionException: Failed to connect node to cluster due to: java.lang.NullPointerException
org.apache.nifi.cluster.ConnectionException: Failed to connect node to cluster due to: java.lang.NullPointerException
    at org.apache.nifi.controller.StandardFlowService.loadFromConnectionResponse(StandardFlowService.java:1009)
    at org.apache.nifi.controller.StandardFlowService.handleReconnectionRequest(StandardFlowService.java:666)
    at org.apache.nifi.controller.StandardFlowService.access$300(StandardFlowService.java:105)
    at org.apache.nifi.controller.StandardFlowService$2.run(StandardFlowService.java:415)
    at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NullPointerException: null
    at org.apache.nifi.controller.StandardFlowService.loadFromConnectionResponse(StandardFlowService.java:963)
    ... 4 common frames omitted

Я уже проверил порты во всех средах (8080, 3030, 2181, 2888, 3888 открыты). Как я могу устранить эту ошибку?

Заранее спасибо за любую помощь.

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