MySQL doesn't starts on AMPPS OS X
10,089
Solve!
Open AMPPS Application -> MySQL Tab -> Configuration.
In
[mysqld]
section, add the following line:innodb_force_recovery = 1
Save the file and try starting MySQL
Remove that line which you just added and Save.
Author by
Андрей Сердюк
Updated on September 14, 2022Comments
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Андрей Сердюк over 1 year
I have I problem with starting mysql using AMPPS. I'm Using OS X Maverics and last version of Ammps. After little system crash and restart I can`t start mysql.
mysql.err
2014-01-22 18:12:41 398 [Note] Plugin 'FEDERATED' is disabled. 2014-01-22 18:12:41 398 [Note] InnoDB: The InnoDB memory heap is disabled 2014-01-22 18:12:41 398 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins 2014-01-22 18:12:41 398 [Note] InnoDB: Compressed tables use zlib 1.2.3 2014-01-22 18:12:41 398 [Note] InnoDB: Not using CPU crc32 instructions 2014-01-22 18:12:41 398 [Note] InnoDB: Initializing buffer pool, size = 128.0M 2014-01-22 18:12:41 398 [Note] InnoDB: Completed initialization of buffer pool 2014-01-22 18:12:41 398 [Note] InnoDB: Highest supported file format is Barracuda. 2014-01-22 18:12:41 398 [Note] InnoDB: The log sequence numbers 1252002624 and 1252002624 in ibdata files do not match the log sequence number 1252003161 in the ib_logfiles! 2014-01-22 18:12:41 398 [Note] InnoDB: Database was not shutdown normally! 2014-01-22 18:12:41 398 [Note] InnoDB: Starting crash recovery. 2014-01-22 18:12:41 398 [Note] InnoDB: Reading tablespace information from the .ibd files... 2014-01-22 18:12:41 398 [ERROR] InnoDB: Attempted to open a previously opened tablespace. Previous tablespace analytics/backlinks uses space ID: 1 at filepath: ./analytics/backlinks.ibd. Cannot open tablespace mysql/innodb_table_stats which uses space ID: 1 at filepath: ./mysql/innodb_table_stats.ibd 2014-01-22 18:12:41 a08901a8 InnoDB: Operating system error number 2 in a file operation. InnoDB: The error means the system cannot find the path specified. InnoDB: If you are installing InnoDB, remember that you must create InnoDB: directories yourself, InnoDB does not create them. InnoDB: Error: could not open single-table tablespace file ./mysql/innodb_table_stats.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.
Help me please. I have very important files in DB.