zookeeper环境搭建中的几个坑[Error contacting service. It is probably not running]的分析及解决
2016-11-08 11:39
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Zookeeper部署中的坑
坑之一
Error contacting service. It is probably not running在配置完zookeeper集群后,三个节点,分别启动三个节点如下:
[root@master bin]# zkServer.sh start
JMX enabled by default
Using config: /usr/local/zk/bin/../conf/zoo.cfg
Starting zookeeper … STARTED
在查看zookeeper状态时遇到
[root@master bin]# zkServer.sh status
JMX enabled by default
Using config: /usr/local/zk/bin/../conf/zoo.cfg
Error contacting service. It is probably not running.
而其他两个节点却是现实正常;
分析原因并解决:
分析方法:
先stop 掉原zk
zkServer.sh stop
然后以start-foreground方式启动,会看到启动日志
zkServer.sh start-foreground
本文地址:http://www.paymoon.com:8001/index.php/2015/06/04/zookeeper-building/
一些常见原因:
原因之一
其原因是在编辑zoo.cfg配置文件时,指定了log的输出目录,但是却未创建。因此需要按照里面指定的目录进行创建。
mkdir /tmp/zookeeper/log |
原因之二
最后检查配置zoo.cfg配置发现是该节点的主机名写错了;先停止三个节点zookeeper服务,逐一的修改节点上zoo.cfg配置文件,在逐一的启动,结果显示正常;
PS: zk类的安装搭建过程中, 如果报错, 一定要把status中的错误贴出来, 其它的信息不容易找到答案.
原因之三
Java
myid文件放错位置或者没有
其它相关
zk介绍: 官网http://zookeeper.apache.org/分布式服务框架 Zookeeper — 管理分布式环境中的数据
http://www.ibm.com/developerworks/cn/opensource/os-cn-zookeeper/
阿里核心系统团队博客 | paxos 实现
http://csrd.aliapp.com/?p=162
Zookeeper研究和应用 « 搜索技术博客-淘宝
http://www.searchtb.com/2011/01/zookeeper-research.html
[转载]Zookeeper全解析——Paxos作为灵魂(转帖)_龙遥Yol_新浪博客
http://blog.sina.com.cn/s/blog_6829be5c0102vjqb.html
Zookeeper集群环境安装过程详解 – cruise技术博客 – 博客频道 – CSDN.NET
http://blog.csdn.net/cruise_h/article/details/19046357
Caused by: java.lang.IllegalArgumentException: ./zookeeper/myid file is missing
Caused
by:
java.lang.IllegalArgumentException:
./zookeeper/myid
file is
missing
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