org.I0Itec.zkclient.exception.ZkTimeoutException: Unable to connect to zookeeper server within timeout: 30000

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Stop all kafka and zookeper proccesses ("ps -aux | grep zoo" and "ps -aux | grep kafka" and kill all the proccess ids) then, run zookeper and then run kafka server.

Solutions on the web

via GitHub by drcrallen
, 1 year ago
Unable to connect to zookeeper server within timeout: 30000
via GitHub by gianm
, 9 months ago
Unable to connect to zookeeper server within timeout: 30000
via GitHub by drcrallen
, 1 year ago
Unable to connect to zookeeper server within timeout: 30000
via GitHub by binlijin
, 1 year ago
Unable to connect to zookeeper server within timeout: 6000
via GitHub by gianm
, 1 year ago
Unable to connect to zookeeper server within timeout: 6000
via GitHub by nishantmonu51
, 1 year ago
Unable to connect to zookeeper server within timeout: 6000
org.I0Itec.zkclient.exception.ZkTimeoutException: Unable to connect to zookeeper server within timeout: 30000
at org.I0Itec.zkclient.ZkClient.connect(ZkClient.java:1223)
at org.I0Itec.zkclient.ZkClient.(ZkClient.java:155)
at org.I0Itec.zkclient.ZkClient.(ZkClient.java:129)
at kafka.utils.ZkUtils$.createZkClientAndConnection(ZkUtils.scala:89)
at kafka.utils.ZkUtils$.apply(ZkUtils.scala:71)
at kafka.server.KafkaServer.initZk(KafkaServer.scala:278)
at kafka.server.KafkaServer.startup(KafkaServer.scala:168)
at io.druid.indexing.kafka.test.TestBroker.start(TestBroker.java:73)
at io.druid.indexing.kafka.KafkaIndexTaskTest.setUp(KafkaIndexTaskTest.java:248)

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