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    Expert tip

    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 ngtuna
, 10 months ago
Unable to connect to zookeeper server within timeout: 6000
via Stack Overflow by mohammad obaid
, 4 months ago
Unable to connect to zookeeper server within timeout: 6000
via Stack Overflow by Ishan mahajan
, 10 months ago
Unable to connect to zookeeper server within timeout: 6000
via Apache's JIRA Issue Tracker by Mohit Anchlia, 1 year ago
Unable to connect to zookeeper server within timeout: 6000
via Ask Ubuntu by srn
, 1 year ago
Unable to connect to zookeeper server within timeout: 6000
via Stack Overflow by Ram krishna
, 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: 6000	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 kafka.server.KafkaServerStartable.startup(KafkaServerStartable.scala:37)	at kafka.Kafka$.main(Kafka.scala:67)	at kafka.Kafka.main(Kafka.scala)