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conver与transform的区别

虽然convert 和 transform 都有改变的意思,但二者的用法完全不一样.convert 是强调改变(某事物)的形式和用途:如,The classroom is converted into a room.教室被改为房间了.trasform 是强调改变某人或者某物特性:如,College life will probably transform a person`s personality.大

Zookeeper报错问题

一、 It is probably not running. 查看zookeeper启动状态时显示:It is probably not running. 1. 首先去查看日志报错原因,在logs文件夹下,cat  文件名xxxx.out 2 .可能报错的原因:①:8080端口被占用,tomcat未关闭(我遇到的原因)          ②:参考这篇文章

ZooKeeperJMXenabled by default Using config:Error contacting serviceIt is probably not running的解决与思考

解决的方法在下面红色大号粗体,先看一段我本人的思考 我们要拷贝zoo_sample.cfg为zoo.cfg,为什么这样做呢,因为这是zookeeper重要的配置文件 就像刚开始用linux系统,在国内,我们首先就要换源,有个文件叫sources.list,我们要做的并不是立即修改sources.list里面的内容,而是拷贝一份并命

zookeeper启动报错:Error contacting service. It is probably not running

Error contacting service. It is probably not running. 今天启动zookeeper集群时,正常启动,但是查看状态时发现,Error contacting service. It is probably not running.,经过一上午的不懈努力,各种倒腾 终于解决,感谢天,感谢地,感谢...........,好了进入正题。 第一种解决方案: 第一步:

Zookeeper之Error contacting service. It is probably not running.

安装ZooKeeper时,无论是修改zoo.cfg;还是myid,都检查了几遍都没有错误。但是开启Zookeeper服务时出现: Error contacting service. It is probably not running. 后来查看日志发现,是我的hosts文件,之前手误出错了,变成了27.0.0.1  127.0.0.1 localhost localhost.localdomain loca