原文转自:http://blog.csdn.net/chengyuqiang/article/details/54285857 1.程序报错: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link 2.尝试远程连接数据库: [root@inode1 ~]# mysql -h192.168.1.165 -uroot -p123456 ERROR 2003 (HY000): Can't connect…

今天在测试MySQL的连接时候,发现连接不通过,并报错ERROR 2003 (HY000): Can't connect to mysql server on '192.168.10.210' (111) 测试代码: require 'mysql2' client = Mysql2::Client.new(:host=>"192.168.10.210",:username=>'root',:password=>"root") puts result…

今天在测试MySQL的连接时候,发现连接不通过,并报错ERROR 2003 (HY000): Can't connect to mysql server on '192.168.10.210' (111) 测试代码: require 'mysql2' client = Mysql2::Client.new(:host=>"192.168.10.210",:username=>'root',:password=>"root") puts result…

mac  homebrew 安装的mysql5.6 除本机外无法被其他ip的电脑访问. 网上查原因 有几个: 1.my.cnf配置中 查看是否有   bind-address = 127.0.0.1  和  skip-networking  前面加 #注释掉. 注意:homebrew安装的mysql有好几个配置文件,不确定的可以查找一下. sudo find / -name my.cnf #skip-networking #bind-address = 127.0.0.1 我的mac中找到4个,…

谷歌了一下之后,原来是在mysql的my.cnf中有下面一段代码: # Instead of skip-networking the default is now to listen only on # localhost which is more compatible and is not less secure. bind-address = 127.0.0.1 #这里默认监听本地localhost 如果要让mysql监听到其他的地址,可以将bind-address = 127.0.0.1…

http://blog.csdn.net/longxibendi/article/details/6363934 一.问题的提出 /usr/local/webserver/mysql/bin/mysql -u root -h 172.29.141.112  -p -S /tmp/mysql.sockEnter password: ERROR 2003 (HY000): Can't connect to MySQL server on '172.29.141.112' (113) 二.问题的分析…

centos7下面操作mysql添加,授权,删除用户 添加用户 以root用户登录数据库,运行以下命令: create user test identified by '; 上面创建了用户test,密码是123456789.我们在mysql.user表里面可以看到新增的用户信息 +------+----------------+-------------------------------------------+ | user | host | password | +------+-----…

远程连接mysql数据库时可以使用以下指令 mysql -h 192.168.1.104 -u root -p 如果是初次安装mysql,需要将所有/etc/mysql/内的所有配置文件的bind-address=127.0.0.1全都注释掉 [mysqld] # # * Basic Settings # user = mysql pid-file = /var/run/mysqld/mysqld.pid socket = /var/run/mysqld/mysqld.sock port = b…

原来一直是使用MySQL安装版没有出现过问题,今天在安装绿色版MySQL时出现了点问题 在安装成windows服务成功后,用net start mysql 启动时提示启动成功,但当我连接mysql就报以下错误: ERROR 2003 (HY000): Can't connect to MySQL server on 'localhost' (10061) my.ini文件内容: [mysqld]basedir=E://databases//mysqldatadir=F://databases//…

问题描述: 从一台linux远程连接另一台linux上的MySQL, 出现ERROR 2003 (HY000): Can't connect to MySQL server on 'xxx.xxx.xxx.85'(111)错误.   [mysql@vvmvcs0 ~]$mysql -hxxx.xxx.xxx.85 -uroot -p Enter password:  www.2cto.com   ERROR 2003 (HY000): Can't connect to MySQL server…