如何解决“错误:MySQL关机意外”?

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

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。

2020-10-22 20:47:27

其他回答

这意味着您已经在端口3306上运行了一个MySQL数据库。

在XAMPP控制面板中，按下“Config”按钮，然后按下“my.ini”。在此之后，按Ctrl-F并搜索“3306”。将您找到的任何“3306”替换为您选择的不同端口号(您可以选择3307或3308 -我选择了2811，它可以工作)。

在替换了所有写有“3306”的位置后，保存文件并再次按下控制面板上的“开始”。

2018-10-31 12:46:26

如果你正在使用MariaDB，你可以试试这个:

进入mysql/data/目录将aria_log_control重命名为aria_log_control_old 重启“Mysql”

2018-03-28 15:00:19

尝试以下解决方案来解决这个问题。在执行此过程之前，将数据文件夹C:\xampp\mysql\data重命名为old_data。然后在SQL文件夹中创建一个名为data的新文件夹。将备份C:\xampp\mysql\backup文件夹中的所有文件和文件夹复制到data文件夹中。在最后一步中，从old_data文件夹复制ibdata1文件和test文件夹，并将其放入data文件夹中。现在运行程序并享受吧!

2022-06-05 06:52:24

# The MySQL server
default-character-set=utf8mb4
[mysqld]
skip-grant-tables // Place this line here 
port=3306
socket="C:/xampp/mysql/mysql.sock"
basedir="C:/xampp/mysql"
tmpdir="C:/xampp/tmp"
datadir="C:/xampp/mysql/data"
pid_file="mysql.pid"
# enable-named-pipe
key_buffer=16M
max_allowed_packet=1M
sort_buffer_size=512K
net_buffer_length=8K
read_buffer_size=256K

打开C:\xampp\mysql\data中的my.ini文件

Skip-grant-tables将这一行放在端口和重新启动之前，它可以工作

2021-10-13 03:16:21

伙计们，请确保你没有安装MySql服务器。因为我已经预装了MySql服务器，当我从xampp控制面板启动MySql时，一些端口冲突正在发生，它不工作。所以在从xampp控制面板启动mysql之前，请确保mysql服务器没有安装。我使用。net，所以我在过去安装了mysql服务器。卸载它解决了我的问题....

2018-05-14 07:24:37

如何解决“错误:MySQL关机意外”?

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