1.打开虚拟机时报硬盘UUID 已经存在:错误信息: Cannot register the hard disk 'F:\VirtualBox VMs\cl-11r2-rac2\cl-11r2-rac2.vdi' {cc59aac5-a2e6-4f39-b441-04d1ff29acd2} because a hard disk 'F:\VirtualBox VMs\cl-11r2-rac1\cl-11r2-rac1.vdi' with UUID {cc59aac5-a2e6-4f39-b441
连续创建多个Oracle触发器失败,单个创建才成功的解决方法 1.当我连续执行创建多个触发器时,总是报编译通过,但存在警告或错误.如下: create or replace trigger tr_advert before insert on jcms_advert for each row begin select seq_advert.nextval into :new.id from dual; end; create or replace trigger tr_adv
操作环境 SuSE11sp3 + ORACLE11gR2(11.2.0.3) 问题现象 新安装的ORACLE启动失败,提示ORA-01078和LRM-00109错误.具体错误现象如下 SQL> startup ORA-01078: failure in processing system parameters LRM-00109: could not open parameter file '/home/oracle/base/11gR2/db/dbs/initora11g.ora' 问题分析
配置ubuntu配置成桥接,在ubuntu虚拟机中运行django.py开发服务器.windows访问django失败. 虚拟机运行: python manage.py runserver 0.0.0.0:8000 在windows上浏览器进行访问,访问失败. 虚拟机错误提示: DisallowedHost: Invalid HTTP_HOST header: '192.168.1.249:8000'. You may need to add u'192.168.1.249' to ALLOWE