在学习使用mysqldump时,使用mysqldump备份时,遇到了下面两个错误: [root@DB-Server backup]# ./mysql_dump_back.sh Warning: Using a password on the command line interface can be insecure. mysqldump: Error: Binlogging on server not active 如上所示,一个是因为我在mysql_dump_back.sh里面配置了登录数据…
"This file could not be checked in because the original version of the file on the server was moved or deleted. A new version of this file has been saved to the server, but your check-in comments were not saved---To save comments with the new version…
1. 今天想做一个hdfs的java工具类,但是在连接hdfs的时候,报如下错误: Exception in thread "main" org.apache.hadoop.ipc.RemoteException: Server IPC version 9 cannot communicate with client version 4 at org.apache.hadoop.ipc.Client.call(Client.java:1113) at org.apache.hadoop…
Proxy Error The proxy server received an invalid response from an upstream server. The proxy server could not handle the request GET /wpsp/. Reason: Error reading from remote server Apache/2.2.15 (CentOS) Server at www.xaut.edu.cn Port 80 解决方法:重启Ap…
这篇主要介绍在这次项目中使用的peewee 文档地址:http://peewee.readthedocs.org/en/latest/index.html 首先我们要初始化一个数据库连接对象.这里我使用了peewee提供的链接池.当然你也可以直接指定连接例如: db = SqliteDatabase('base.db') 我这里使用了peewee扩展pool,并初始化db对象参数. from playhouse import pool db = pool.PooledMySQLDatabase(…