目录 No valid host was found. There are not enough hosts available-----openstack建虚拟机直接报错 一.问题现象: 二.解决思路: 1.查看计算节点的nova-compute 日志,发现如下日志: 2.查看nova-scheduler.log 3.进数据查看数据库表 4.尝试将compute节点从nova service-list中删除,并重新加入到集群中 5.再次进入数据库,执行 select * from resour
开着idea,死机了,关机重启.重启之后,重新打开idea报错java.lang.AssertionError:upexpected content storage modification. goole得到: If you cannot even open your project in IntelliJ: Close IntelliJ Go to the directory <your_home>/.IntelliJIdeaXX/system/cache where XX is your
1.TNS-00525: Insufficient privilege for operation Started with pid= Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=ora11g)(PORT=))) Error listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521))) TNS-: TNS:permission denied TNS-:
Oracle SQL Developer连接报错(ORA-12505) 之前我的Oracle数据库出现问题,费大波周折终于弄好了,今天又创建了一个DBA管理员的连接方式出现问题,本人现在把解决方案分享给大家,希望对你们有用. 连接时报错码:Listener refused the connection with following error:ORA-12505,TNS:listener...... 确定这是连接数据库的SID错误, 解决方法: 1.知道你的SID名:可以再注册表中查找,也可以通
Oracle 12c SQL Developer连接报错(ORA-12505) 连接时报错码:Listener refused the connection with following error:ORA-12505,TNS:listener...... 这是连接数据库的SID错误, 解决方法: 1.知道你的SID名:可以再注册表中查找,也可以通过借助Oracle的sqlplus工具并以管理员方式连接敲命令查看:select instance_name from v$instance;必须是管
Mysql远程连接报错:SQL Error (1130): Host '192.168.0.18' is not allowed to connect to this MySQL server 通过SQLyog连接linux中的MySQL报错问题: SQL Error (1130): Host '192.168.0.18' is not allowed to connect to this MySQL server 说明你所连接的用户账户没有远程连接的权限,只能在本机localhost登