Windows 系统下载安装 ZooKeeper

这里演示 Apache ZooKeeper 3.4.14 版本的下载与安装

1. 进入官网下载 ZooKeeper

ZooKeeper 官网地址: https://zookeeper.apache.org/

点击上面官网链接进入官网

跳转页面后，点击下载

2. Zookeeper 安装

下载完后直接解压，解压后目录如下：
创建一个 data 文件夹和 log 文件夹
进入 config 文件夹，将 zoo_sample.cfg 复制一份，并重命名 zoo.cfg

修改 zoo.cfg 内的配置信息

dataDir 和 dataLogDir 根据自己的真实路径填写。就是我们刚刚创建的 data 和 log 文件夹的位置

# The number of milliseconds of each tick
tickTime=2000
# The number of ticks that the initial 
# synchronization phase can take
initLimit=10
# The number of ticks that can pass between 
# sending a request and getting an acknowledgement
syncLimit=5
# the directory where the snapshot is stored.
# do not use /tmp for storage, /tmp here is just 
# example sakes.
dataDir=D:\Code\tool\java\zookeeper-3.4.14\zookeeper-3.4.14\data
dataLogDir=D:\Code\tool\java\zookeeper-3.4.14\zookeeper-3.4.14\log
# the port at which the clients will connect
clientPort=2181
# the maximum number of client connections.
# increase this if you need to handle more clients
#maxClientCnxns=60
#
# Be sure to read the maintenance section of the 
# administrator guide before turning on autopurge.
#
# http://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance
#
# The number of snapshots to retain in dataDir
#autopurge.snapRetainCount=3
# Purge task interval in hours
# Set to "0" to disable auto purge feature
#autopurge.purgeInterval=1

3. 运行 ZooKeeper

进入 bin 目录，启动 zkServer.cmd

如果闪退的话，就代表启动失败，可能是我们刚刚配置错误了。

编辑 zkServer.cmd 文件，增加 @pause 让它报错时停下来，然后根据报错百度查询解决方案。

java.io.IOException: Unable to create data directory XXX 代表是文件路径错误了，检查 dataDir 和 dataLogDir 的路径

@echo off
REM Licensed to the Apache Software Foundation (ASF) under one or more
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REM this work for additional information regarding copyright ownership.
REM The ASF licenses this file to You under the Apache License, Version 2.0
REM (the "License"); you may not use this file except in compliance with
REM the License.  You may obtain a copy of the License at
REM
REM     http://www.apache.org/licenses/LICENSE-2.0
REM
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REM distributed under the License is distributed on an "AS IS" BASIS,
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REM See the License for the specific language governing permissions and
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setlocal
call "%~dp0zkEnv.cmd"

set ZOOMAIN=org.apache.zookeeper.server.quorum.QuorumPeerMain
echo on
call %JAVA% "-Dzookeeper.log.dir=%ZOO_LOG_DIR%" "-Dzookeeper.root.logger=%ZOO_LOG4J_PROP%" -cp "%CLASSPATH%" %ZOOMAIN% "%ZOOCFG%" %*
@pause
endlocal

运行成功