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问题:
I have reinstalled XAMPP for some reason and MySQL is not working, giving the following error in the console:
01:56:03 [mysql] Error: MySQL shutdown unexpectedly. 01:56:03 [mysql] This may be due to a blocked port, missing dependencies, 01:56:03 [mysql] improper privileges, a crash, or a shutdown by another method. 01:56:03 [mysql] Check the "/xampp/mysql/data/mysql_error.log" file 01:56:03 [mysql] and the Windows Event Viewer for more clues
When checking the "/xampp/mysql/data/mysql_error.log" file I get:
130302 1:48:06 InnoDB: Waiting for the background threads to start 130302 1:48:07 InnoDB: 1.1.8 started; log sequence number 1600324627 130302 1:48:07 [Note] Server hostname (bind-address): '0.0.0.0'; port: 3306 130302 1:48:07 [Note] - '0.0.0.0' resolves to '0.0.0.0'; 130302 1:48:07 [Note] Server socket created on IP: '0.0.0.0'. 130302 1:51:12 [Note] Plugin 'FEDERATED' is disabled. 130302 1:51:12 InnoDB: The InnoDB memory heap is disabled 130302 1:51:12 InnoDB: Mutexes and rw_locks use Windows interlocked functions 130302 1:51:12 InnoDB: Compressed tables use zlib 1.2.3 130302 1:51:12 InnoDB: Initializing buffer pool, size = 16.0M 130302 1:51:12 InnoDB: Completed initialization of buffer pool 130302 1:51:12 InnoDB: highest supported file format is Barracuda. InnoDB: The log sequence number in ibdata files does not match InnoDB: the log sequence number in the ib_logfiles! 130302 1:51:12 InnoDB: Database was not shut down normally! InnoDB: Starting crash recovery. InnoDB: Reading tablespace information from the .ibd files... InnoDB: Restoring possible half-written data pages from the doublewrite InnoDB: buffer... 130302 1:51:13 InnoDB: Waiting for the background threads to start 130302 1:51:14 InnoDB: 1.1.8 started; log sequence number 1600324627 130302 1:51:14 [Note] Server hostname (bind-address): '0.0.0.0'; port: 3306 130302 1:51:14 [Note] - '0.0.0.0' resolves to '0.0.0.0'; 130302 1:51:14 [Note] Server socket created on IP: '0.0.0.0'. 130302 1:56:01 [Note] Plugin 'FEDERATED' is disabled. 130302 1:56:01 InnoDB: The InnoDB memory heap is disabled 130302 1:56:01 InnoDB: Mutexes and rw_locks use Windows interlocked functions 130302 1:56:01 InnoDB: Compressed tables use zlib 1.2.3 130302 1:56:01 InnoDB: Initializing buffer pool, size = 16.0M 130302 1:56:01 InnoDB: Completed initialization of buffer pool 130302 1:56:01 InnoDB: highest supported file format is Barracuda. InnoDB: The log sequence number in ibdata files does not match InnoDB: the log sequence number in the ib_logfiles! 130302 1:56:01 InnoDB: Database was not shut down normally! InnoDB: Starting crash recovery. InnoDB: Reading tablespace information from the .ibd files... InnoDB: Restoring possible half-written data pages from the doublewrite InnoDB: buffer... 130302 1:56:02 InnoDB: Waiting for the background threads to start 130302 1:56:03 InnoDB: 1.1.8 started; log sequence number 1600324627 130302 1:56:03 [Note] Server hostname (bind-address): '0.0.0.0'; port: 3306 130302 1:56:03 [Note] - '0.0.0.0' resolves to '0.0.0.0'; 130302 1:56:03 [Note] Server socket created on IP: '0.0.0.0'.
That is just a part of the log, the full one is a bit too big.
Help?
回答1:
Quit your skype and try, if skype is opne
or
Go to your xampp/wamp installed, search for httpd.conf. Open that file using textpad/notepad, search for Listen or 80 , update listen port to 8081 and save the file. Restart xampp/wamp, start the servers.
or
follow below steps in skype
回答2:
You must:
- Close the xampp
- Go to the folder where you installed it, if in (c:) may be something like C:\xampp\ , access folder C:\xampp\mysql\data
- Delete the file ibdata1
- Starts XAMPP again.
回答3:
In my case, I did two things:
- moved
xampp/mysql/backup files into xampp/mysql/data - RUN XAMPP as Administrator
It worked for me :)
回答4:
There may be MySQL server installed previously in your computer try to uninstall that and start MySQL at the XAMPP This solved mine
回答5:
The best solution for this problem is just open your mysql configuration directive file my.ini present inside the folder C:\xampp\mysql\bin and change the information related to the ports, usually some programs occupy the port no. 3306 as a result of that it stops working, Now you follow two steps to make it working.
enter code here Step-1. Search for ['client'], you can see some thing like this [client] # password = your_password port = 3306 socket = "C:/xampp/mysql/mysql.sock" Now in the port section remove 3306 and add port = 3306 > 3307 as shown below. [client] # password = your_password port = 3306 > 3307 socket = "C:/xampp/mysql/mysql.sock" Step -2. Similarly Search for ['mysqld'], you can see something like this [mysqld] 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 read_rnd_buffer_size = 512K myisam_sort_buffer_size = 8M log_error = "mysql_error.log" Now here change the port number 3306 to 3307 and add a line "innodb_force_recovery = 1" exactly as shown below. [mysqld] port= 3307 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 read_rnd_buffer_size = 512K myisam_sort_buffer_size = 8M log_error = "mysql_error.log" innodb_force_recovery = 1
Thats it, restart you mysql service, it will work for sure.
回答6:
I would simply try reinstalling XAMPP.
回答7:
one reason I found ( and not mentioned in addition to other answers given in this site on the similar problem ) was by going to task manager in windows and stopping the mysqld which was running already and prevented mysql server from starting.
回答8:
just run your xammp as an administrator, it works
回答9:
For anyone that searched and pressed on this link, i solved it by simply searching for mysql notifier and stop mysql from running there, Then run mysql in xampp again and it runs. why this works ? iam not expert, but i think it is easy : port was taken already by mysql notifier so had to stop it there and run it here.
回答10:
I am new to XAMPP, but I find that a combination of these suggestions works best (At least on Windows 8.1 with the latest version of XAMPP. Note that the computer I tested this on, also had skype).
First logon to skype and navigate to "Tools
Next, on your XAMPP control panel, click "config
Also, you will need to navigate to xampp
$cfg['Servers'][$i]['host'] = '127.0.0.1';
You will need to add "3307" as follows:
$cfg['Servers'][$i]['host'] = '127.0.0.1:3307';
Now, open your browser and you should see the xampp page when you type in "localhost." Additionally, if this is your first time using xampp, you may see a warning about your lack of password (highlighted in pink) on your localhost/phpmyadmin/ page. This is easily remedied by going to the "user accounts" tab in phpmyadmin, clicking on "edit privileges" and entering password. Remember to save the hashed version of any and all passwords you create as we will use this next! -I opened a notepad and saved (and numbered) them. Note that phpMyadmin will notify you of when you are changing the password for your current session (this will be displayed at the top of your phpMyadmin page and is very important, as you will need THAT specific hashed version of your password).
Next, you will need to navigate to the following location "xampp
And, that ought to do it.
回答11:
In my case : I have just replaced
....xampp/mysql/backup files
into
**xampp/mysql/data**
It worked for me.
回答12:
If Apache is running without any issue , and u find some blockage by system security settings , simply allow it instead of blocking or closing the dialog box. And change the port number for MySQL to 3607 as it was before 3606 . It worked for me .
回答13:
if you inistalled mysql Independently you can stop mysql service if running no one of these answers are worked for me this work for me
回答14:
This worked for me,
- quit the XAMPP
- cut the All files in C:\xampp\mysql\backup
- paste and replace files in C:\xampp\mysql\data
- run as administrator the XAMPP
回答15:
Well first thing ,, I know its late so I dont know if anyone will upvote it but oh well its okay,, secondly, uninstalling xampp might not do you any good because the process using the port 3306 (Mysql's default port) will still be running somewhere on your system. might be skype, but might not be skype.
so the best way would be to find out which process is using port 3306, and then terminate the process.
so to find out which process is using port 3306, open command prompt, and type
netstat -n -o -a
you will get a screen like this.
Then look for the address with port number 3306 and find out the PID corresponding to that.
Then simply open a command prompt as administrator and type
taskkill /F /PID 1234
replace 1234 with your respective PID. Then you can try starting mysql and it will work.
And now if you are lazy to do this step all over again when restarting the computer,,,
you can simply use the following batch script to terminate the process automatically and enjoy :)
@echo off setlocal enableextensions set "port=3306" for /f "tokens=1,4,5" %%a in ( 'netstat -aon ^| findstr /r /c:"[TU][CD]P[^[]*\[::\]:%port%"' ) do if "%%a"=="UDP" (taskkill /F /PID %%b) else (taskkill /f /PID %%c) endlocal pause
save it as anything.bat and run it everytime you want to use mysql. :)
回答16:
the true way is RECONFIGURE your app.with setup of MYSQL .you can open your setup again and change port from 3306 to 3307.
