当我打开XAMPP并单击启动MySQL按钮时,它给了我一个错误。 我刚才启动了它,但现在它不工作了。

12:19:12 PM [mysql] Attempting to start MySQL app... 12:19:12 PM [mysql] Status change detected: running 12:19:13 PM [mysql] Status change detected: stopped 12:19:13 PM [mysql] Error: MySQL shutdown unexpectedly. 12:19:13 PM [mysql] This may be due to a blocked port, missing dependencies, 12:19:13 PM [mysql] improper privileges, a crash, or a shutdown by another method 12:19:13 PM [mysql] Press the Logs button to view error logs and check 12:19:13 PM [mysql] the Windows Event Viewer for more clues 12:19:13 PM [mysql] If you need more help, copy and post this 12:19:13 PM [mysql] entire log window on the forums

以下是错误日志的内容:

2013-08-02 12:19:12 4536 [Note] Plugin 'FEDERATED' is disabled. 2013-08-02 12:19:12 f64 InnoDB: Warning: Using innodb_additional_mem_pool_size is DEPRECATED. This option may be removed in future releases, together with the option innodb_use_sys_malloc and with the InnoDB's internal memory allocator. 2013-08-02 12:19:12 4536 [Note] InnoDB: The InnoDB memory heap is disabled 2013-08-02 12:19:12 4536 [Note] InnoDB: Mutexes and rw_locks use Windows interlocked functions 2013-08-02 12:19:12 4536 [Note] InnoDB: Compressed tables use zlib 1.2.3 2013-08-02 12:19:12 4536 [Note] InnoDB: Not using CPU crc32 instructions 2013-08-02 12:19:12 4536 [Note] InnoDB: Initializing buffer pool, size = 16.0M 2013-08-02 12:19:12 4536 [Note] InnoDB: Completed initialization of buffer pool 2013-08-02 12:19:12 4536 [Note] InnoDB: Highest supported file format is Barracuda. 2013-08-02 12:19:12 4536 [Note] InnoDB: The log sequence numbers 0 and 0 in ibdata files do not match the log sequence number 1616798 in the ib_logfiles! 2013-08-02 12:19:12 4536 [Note] InnoDB: Database was not shutdown normally! 2013-08-02 12:19:12 4536 [Note] InnoDB: Starting crash recovery. 2013-08-02 12:19:12 4536 [Note] InnoDB: Reading tablespace information from the .ibd files...

最重要的错误信息在这里:

2013-08-02 12:19:12 4536 [ERROR] InnoDB: 试图打开先前打开的表空间。 以前的表空间mysql/innodb_table_stats在filepath: .\mysql\innodb_table_stats.ibd使用的是空间ID: 1。 在文件路径:.\xat\payments.ibd下无法打开空间ID: 1的表空间xat/payments

日志的其余部分:

InnoDB: Error: could not open single-table tablespace file .\xat\payments.ibd InnoDB: We do not continue the crash recovery, because the table may become InnoDB: corrupt if we cannot apply the log records in the InnoDB log to it. InnoDB: To fix the problem and start mysqld: InnoDB: 1) If there is a permission problem in the file and mysqld cannot InnoDB: open the file, you should modify the permissions. InnoDB: 2) If the table is not needed, or you can restore it from a backup, InnoDB: then you can remove the .ibd file, and InnoDB will do a normal InnoDB: crash recovery and ignore that table. InnoDB: 3) If the file system or the disk is broken, and you cannot remove InnoDB: the .ibd file, you can set innodb_force_recovery > 0 in my.cnf InnoDB: and force InnoDB to continue crash recovery here.

这些错误的原因是什么?我该如何纠正它们?


当前回答

步骤01:如果启动XAMPP MySQL时出现错误, 按照以下步骤轻松解决这个问题。

步骤02:停止服务器并进入配置。

步骤03:打开my.ini文件。

步骤04:在记事本文本中找到这2个端口号。

步骤05:更改这两个端口号3306—> 3308或任何其他数字。

使用Ctrl+S保存文本文件后

步骤07:转到XAMPP安装文件夹并打开XAMPP文件夹。 步骤08:找到phpMyAdmin文件夹。

步骤09:打开phpMyAdmin文件夹,找到config.inc.php文件。

步骤10:Change Here端口号之前您在步骤05中修改的端口号。(如3008)和保存此文本文件。

步骤11:关闭所有文件后,转到XAMPP服务器。

步骤12:再次启动MySQL服务器。

步骤13:打开浏览器,输入URL——>> localhost 步骤14:进入PhpMyAdmin

步骤15:phpMyAdmin is Working normal Now。

如果启动Apache服务器时出现错误,

步骤01:停止服务器,并打开配置文件。

步骤02:在文本文件中找到这个Listen数字。

步骤03:将80更改为8000或任何其他值。并保存文本文件。

步骤04:保存文本文件后,打开XAMPP服务器并再次启动Apache服务器。

打开你的网页浏览器。 步骤06:输入localhost:8000

步骤07:现在你可以打开phpMyAdmin。

注意:更改Apache端口号后,必须在URL中的localhost:后面添加。

-----------谢谢大家-----------

其他回答

我也有同样的问题。 我的xampp控制面板将启动apache而不是mysql。 问题出在iblogfile中。 当你正在运行xampp/mysql时,你的电脑重新启动,而没有正确关闭innodb引擎。 进入xampp/mysql并删除

ib_logfile0

and

ib_logfile1

现在重新启动mysql,它应该工作。

通过重新安装Xampp修复了它。

如果你不想经历对方提出的所有技术问题。

备份htdocs文件夹,然后卸载Xampp, 它会问你是否想保留htdocs文件夹,选择退出。 完全卸载, 移除残留物。 再次安装, 复制你备份的htdocs文件夹。

你就完成了。

对我来说,我退出了Skype,它占用了80端口,然后Apache在80端口上愉快地运行,然后我运行Skype,这次它选择了另一个端口。

There are a number of things I've tried. This is the 2nd time this has happened to me. On my first time, I've to reinstall my xampp. And on the third day, mysql crashed again. I've tried everything I found on the internet. Like, innodb_flush_method=normal in my.ini file and deleting ibdata1, ib_logfile1, ib_logfile0 files, and others but none of these works. So later I tried to run xampp with admin privilege and install apache and mysql as a service as it was instructed on xampp control panel itself. After starting mysql, I read error-log again and from there I came to know that one of my databases is responsible for this. That database file won't let mysql start. So I deleted everything in the data folder and then in cmd I navigated to C:/xampp/mysql/bin path and ran these commands:

mysqld——初始化

mysql_install_db

mysql又开始运行了。 但是我的数据库和数据丢失了。

当您不是以管理员身份运行XAMPP时,关闭MySQL经常会导致损坏,这意味着您必须修复或删除表。为了避免这种情况,您需要以管理员身份运行XAMPP,或者使用适当的命令提示符方法关闭MySQL。

您可以按照Kratos的建议删除ibdata1,但这可能会导致数据库损坏,因为数据库的其他部分仍然在/mysql/data/文件夹中。在我的例子中,这些残留数据阻止了我成功安装WordPress。

一个更干净的方法是恢复整个/mysql/data/文件夹。Windows有内置的文件夹版本控制-右键单击/mysql/data/并选择恢复以前的版本。然后可以删除文件夹的当前内容,并将其替换为旧版本的内容。

附录:为了确保您不会忘记以管理员身份运行XAMPP,您可以右键单击XAMPP快捷方式,转到属性,然后是高级,最后以管理员身份运行。