解决方法:   image.png 点击清除即可. 或者在控制>清除保存的状态.然后重启虚机即可!…

昨天晚上笔记本休眠后,今天早上启动vm时,报错了. 点击详细启动错误:the vm session was closed before any attempt topower it on. 解决办法:点击菜单中的“清除”按钮,让虚拟机由休眠状态变成power off状态,然后重新启动虚拟机就解决问题了.…

启动监听程序报错: 说明:在rhel5.8上安装完成oracle11g数据库后,使用netca创建完监听,启动监听时报错.还未使用dbca创建实例. [oracle@rusky-oracle11g ~]$ lsnrctl start LSNRCTL :: Copyright (c) , , Oracle. All rights reserved. Starting /u01/app/oracle/product/11.2.0.1/db_1/bin/tnslsnr: please wait...…

VirtualBox error: Kernel driver not installed (rc=1908) Hi all, Let me first say that this is my final resort after googling this issue for the last several hours. None of the solutions that I have found are working for me. My VirtualBox (PUEL, not O…

初步猜测原因是:keepalived容器内的keepalived.pid文件在keepalived容器非正常退出时,没有正确删除,造成第二次启动时容器检查到pid文件已经存在,认为该进程已经存在,因为keepalived容器的启动检查机制只允许同一台主机上启动一个进程,所以无法启动,并报错:daemon is already running注:该问题是keepalived软件本身存在的一个bug,如果需要优化,可以考虑在keepalived容器内增加脚本,在keepalived容器启动前进行一次…

1.使用root配置的hadoop并启动会出现报错 错误:         Starting namenodes on [master]         ERROR: Attempting to operate on hdfs namenode as root                ERROR: but there is no HDFS_NAMENODE_USER defined. Aborting operation.                Starting datanodes…

启动Tomcat服务器报错: Several ports (8005, 8080, 8009) required by Tomcat v5.5 Server at localhost are already in use. The server may already be running in another process, or a system process may be using the port. To start this server you will need to sto…

windows server2008下如何更改MySQL数据库的目录的帖子已经很多了,这里简单介绍一个步骤,如果不成功请先查看其它帖子. 更改默认的mysql数据库目录 将 C:\Documents and Settings\All Users\Application Data\MySQL\MySQL Server 5.1\data 改到 D:\MysqlData . 建立文件夹 D:\MysqlData . 停止 mysql 服务,将 "C:\Documents and Settings\Al…

启动安卓模拟器报错 emulator: ERROR: x86_64 emulation currently requires hardware acceleration!  CPU acceleration status:HAXM must be updated(version 1.1.1<6.0.1) 解决办法: 在android sdk 安装目录下找到 \Android\sdk\extras\intel\Hardware_Accelerated_Execution_Manager 双击int…

Weblogic AdminServer 启动fail,报错"unable to get file lock, will retry" 参考原始: Weblogic AdminServer fails with "unable to get file lock, will retry" error message (Doc ID 1613945.1) 适用于: Oracle WebLogic Server - Version 8.1 and later Inform…