异常汇总贴

1 dbutils操作mysql中文乱码   http://tieba.baidu.com/p/3392224922

2 git之you can't overwrite the remote branch问题解决   http://blog.csdn.net/u011068702/article/details/48789801

3 mysql慢查询 select count (*)  from  tableA; tableA数据量千万 导致服务器IO过大，CPU占用超过80%；然后服务器失去心跳，挂了； 

http://www.jb51.net/article/70955.htm

http://bbs.csdn.net/topics/390307631

 4 如何合并多个excel文件

5 MYSQL怎么批量导入多个excel文件，字段都是对应的

 MYSQL import data from csv using LOAD DATA INFILE

6 mysql查询列名和注释

数据库异常问题

1 java.net.SocketException: Connection reset

 com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3964)

2【oracle】 Unable to extend table SYS.AUD$ by 128 in tablespace.SYSTEM 审计表爆满

 

win10系统使用常见问题

1 vpn连接

2 win10升级至企业版

3 win10和win7同一个局域网内通信

 

scrapy框架使用时异常汇总

1 Scrapy: AttributeError: 'list' object has no attribute 'iteritems'

2 linux 安装mongodb

3 windows平台下Python3安装Scrapy

4 DLL load failed: %1 不是有效的 Win32 应用程序。

 

Intellij项目部署

1  A child container failed during start 与 ClassNotFoundException: org.slf4j.Loggerl分析与解决方法

2 java.lang.ClassNotFoundException: org.quartz.Scheduler

 

Maven多模块部署

1 Some problems were encountered while building the effective model for wusc.edu.common:edu-common-core:jar:1.0-SNAPSHOT.

'version' contains an expression but should be a constant.   by  20180625

最后发现的原因是edu-common-core:jar继承自edu-common-parent:jar，必须先mvn install 这个模块 edu-common-parent:jar

2 java.lang.IllegalStateException: Duplicate application configs: <dubbo:application name="edu-service-user"     by  20180625