1 经过各种排查最后发现是我自己的配置有问题,希望能帮到以后遇到类似问题的朋友。在/etc/my.cnf配置中,集群是需要增加配置ndbclusterndb-connectstring=192.168.1.165 2 当时我是直接在配置文件末尾添加的,实际上大家注意下,这段应该要加在【mysqld】的节点下,修改后监控情况如下:
使用ruby console测试时,报错如下 经过一番网络的搜索,找到解决方法。 下载旧版libmySQL.dll文件复制到ruby的bin目录。原来是拷贝的mysql安装目录下的libmySQL.dll文件。 再次测试,OK 学习平台: os:windows7 rails版本:Rails 2.3.8 ruby版本:ruby 1.9.1 mysql版本:mysql5.1 为什么在netbeans下运行ruby程序,内存占用率...
(in D:/Rails/depot) rake aborted! Mysql::Error: query: not connected: CREATE TABLE `schema_migrations` (`version` varchar(255) NOT NULL) ENGINE=InnoDB (See full trace by running task with --trace) C:/Ruby186/bin/rake:19: [BUG] Segmentation fault ruby 1.8.6 (2010-02-04) [i386-mi...
ERROR 1130: Host'192.168.1.3'isnotallowed to connect to this MySQL server 这个时候需要授权: GRANT ALL PRIVILEGES ON *.* TO'root'@'192.168.1.3'IDENTIFIED BY'mypassword'WITH GRANT OPTION; flush privileges; 就可以了。
except mysql.connector.Error as q: print("["+datetime.datetime.now().strftime("%a %b %d, %Y %I:%M:%S %p")+"] Database Error: "+str(q)+"\n") def disconnect_database(): global mydb global mycursor try: if mydb.is_connected(): ...
in the "Manager Server Connections" window the test connection is successfull but when click the saved connection it failed. the error message says the connection failed for "SQL logic error". Error log: 17:06:59 [ERR][SQL Editor Form]: SQL editor could not be connected: SQL logic error...
after writing word on entry page that i want to search and letters inside of word it goes to /search4 and i get error on page with mysql.connector.errors.ProgrammingError: Cursor is not connected after checking here is code. from flask import Flask, render_template, request, escape from ...
}// Execute queryfunctionQuery($Query){$this->Result =false;if($this->Connected) {$this->Result =$this->Mysqli->query($Query, MYSQLI_STORE_RESULT);if(!$this->Result)Terminate('Invalid query: '.$this->Mysqli->error); }return$this->Result; ...
1,首先登录保障服务器,执行mysql命令登录mysql,发现报错,提示SOCK无法连接详如下: ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) 2.执行 lsof -n -i:3306 查看发现mysql监听端口不在!
目前关系数据库是最流行的数据库系统,目前主流的关系数据库主要由以下几个:MySQLOracle Database ...