初識zookeeper,linux 安裝配置zookeeper

一、下載並解壓最新穩定的zookeeper文件apache

wget http://mirror.bit.edu.cn/apache/zookeeper/zookeeper-3.4.14/zookeeper-3.4.14.tar.gz(jar包必定要選對,不然死你都不知道怎麼死的。)測試

tar -zxvf zookeeper-3.4.14.tar.gz 解壓spa

新建data和logs文件code

mkdir data server

mkdir logsblog

/conf/cp zoo_sample.cfg zoo.cfgget

修改配置文件it

dataDir=/usr/local/apache-zookeeper-3.5.5/data
dataLogDir=/usr/local/apache-zookeeper-3.5.5/logsclass

配置環境變量變量

/etc/profile

export ZOOKEEPER_HOME=/usr/local/zk
export PATH=$PATH:$ZOOKEEPER_HOME/bin:$ZOOKEEPER_HOME/conf 

ps:我這裏把文件夾重命名未zk了,根據實際文件夾來改

最後就啓動

進入bin目錄下

./zkServer.sh start

./zkServer.sh stop

./zkServer.sh status

客戶端鏈接

zkCli.sh -server 127.0.0.1:2181

連上了測試報錯。。。

 

在這個過程當中可能會出現問題

下面是我遇到的問題

找不到主類:緣由是zookeeper版本下載錯誤

//錯誤信息
./zkServer.sh start-foreground
ZooKeeper JMX enabled by default
Using config: /usr/local/apache-zookeeper-3.5.5/bin/../conf/zoo.cfg
Error: Could not find or load main class org.apache.zookeeper.server.quorum.QuorumPeerMain
// 錯誤信息
ZooKeeper JMX enabled by default
Using config: /usr/local/apache-zookeeper-3.5.5/bin/../conf/zoo.cfg Client port found: 2181. Client address: localhost. Error contacting service. It is probably not running.

 啓動成功後狀態查詢失敗

Error contacting service. It is probably not running.

若是是單機模式,清空data/logs目錄下全部文件。

 

至此,我已經啓動成功了。

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