1.对于执行中的报错,可以在db2命令行下运行命令 : db2=>? SQLxxx 查看对应的报错原因及解决方法. 2.错误SQL0206N SQLSTATE=42703 检测到一个未定义的列.属性或参数名. SQL0206N "SQL_COU_ALL" is not valid in the context where it is used. SQLSTATE=42703 db2 => ? "42703" db2 =
Linux 的 GConf error 解决办法 问题: Centos系统创建用户oracle后,用该用户登陆系统,页面加载报错,导致重新进入Centos系统后出现: GConf error:Failed to contact configuration server;some possible cause are that you need to enable TCP/IP networking for ORBIT or you have stale NFSlocks due to a sys
数据库字段gender为枚举类型,从前台接受到实体后进行保存报错:org.postgresql.util.PSQLException: ERROR: column "gender" is of type gender but expression is of type character varying ========================== 本篇文章从解决这个报错入手,附带 1.@TypeDef/@Enumerated/@Type的使用!!!!! ===========
在Linux上配置xampp后远程访问域名报错: New XAMPP security concept: Access to the requested object is only available from the local network. This setting can be configured in the file "httpd-xampp.conf". 初步分析了一下错误原因是:安全异常,需要修改httpd-xampp.conf.这个文件在:/opt/lampp/
运行编译后的程序报错 error while loading shared libraries: lib*.so: cannot open shared object file: No such file or directory -------------------------------------------------------------------------------------------------------------------------------------
安装VS 2015完成后,VS2012 打开报错 打开VS2012Web项目,弹出错误提示: asp.net 4.0 has not been registered on the web server. you need to manually configure…… 解决办法: 微软官方下载补丁包,安装: https://support.microsoft.com/en-us/kb/3002339 再次从打开VS2012 打开Web项目OK了.
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
在Linux下,使用 gets(cmd) 函数报错:warning: the 'gets' function is dangerous and should not be used. 解决办法:采用 fgets(cmd,100,stdin);//100为size 问题解决! fgets从stdin中读字符,直至读到换行符或文件结束,但一次最多读size个字符.读出的字符连同换行符存入缓冲区cmd中.返回指向cmd的指针. gets把从stdin中输入的一行信息存入cmd中,然后将换行符置换成串结