报错显示Error: Package: systemtap-devel-3.10-10.el7.armv7hl (base) Requires: kernel-devel 解决方案 wget http://mirror.centos.org/centos/7/os/x86_64/Packages/kernel-devel-3.10.0-514.el7.x86_64.rpm rpm -ivh kernel-devel-3.10.0-514.el7.x86_64.rpm yum groupinsta…

执行mysqld_safe报错: [root@edu data]# /usr/local/mysql5.7/bin/mysqld_safe --user=mysql160427 12:41:28 mysqld_safe Logging to '/renqinglei/mysql/log/mysql_error.log'.160427 12:41:28 mysqld_safe The file /usr/local/mysql/bin/mysqlddoes not exist or is not…

准备在mysql上使用数据库A,但mysql5经过重装后,上面的数据库已丢失,只得通过之前备份的A.sql重新生成数据库A. 1.执行sql报错 在执行A.sql的过程中,出现如下错误:Got a packet bigger than 'max_allowed_packet' bytes.  谷歌解释说是因为要导入数据库超过了系统限制, 解决办法是在打开mysql的配置文件中my.ini,在[mysqld]后加入配置:max_allowed_packet=100M(如果已存在该配置,直接修改其值…

selenium执行js报错 Traceback (most recent call last):    dr.execute_script(js)  File "C:\Python27\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 397, in execute_script    {'script': script, 'args':converted_args})['value']  File &qu…

mysql执行update报错 update library set status=true where 1=1 Error Code: 1175. You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column To disable safe mode, toggle the option in Preferences -> SQL Queries and…

centos在yum install报错:Another app is currently holding the yum lock,这个问题可能是很多的新手经常遇到问题,之前也有人问我,包括本人在刚刚学习centos的时候也遇到过. Another app is currently holding the yum lock,这个意思很明显就是说,有另外一个应用在使用yum,被占用锁定了,所以咋办呢,直接结束掉呗. 可以通过强制关掉yum进程: # rm -f /var/run/yum.pid…

1.sqlplus执行sql报错:ORA-01756: quoted string not properly terminated   分类: 技术         在SQLPLUS中执行SQL文件时发生错误:ORA-01756: quoted string not properly terminated           但是SQL其实是没有问题的,找了很多原因,发现可能是由于使用TOAD导出SQL insert语句,编码集的问题导致的.              首先在.bash_prof…

js执行函数报错Cannot set property 'value' of null 的解决方案: 原因:dom还没有完全加载 第一步:所以js建议放在body下面执行, 第二步:window.onload就能放在head头部执行.…

dotnetcore ef 调用多个数据库时用户命令执行操作报错 1.多个DbContext 时报错: 报错: More than one DbContext was found. Specify which one to use. Use the '-Context' parameter for PowerShell commands and the '--context' parameter for dotnet commands. 解决办法: dotnet ef migrations ad…

mysql执行update报错 Err] 1055 - 'information_schema.PROFILING.SEQ' isn't in GROUP BY 今天开发的同事发来如下错误信息,最最简单的一个update操作,竟然报了[Err] 1055 - 'information_schema.PROFILING.SEQ' isn't in GROUP BY.具体sql语句为: [SQL]UPDATE draw_record SET open_price = '6945.98', buy_p…