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i installed Windows 8.1 then i re-install wampserver and everything was working .. till i get a orange color that due to my MySQL server not running ....
Wampserver 2.4
MySQL 5.6.12
PHP 5.4.12
Apache 2.4.4
this is the log file
2013-12-18 10:00:00 904 [Note] Plugin 'FEDERATED' is disabled.
2013-12-18 10:00:00 904 [Note] InnoDB: The InnoDB memory heap is disabled
2013-12-18 10:00:00 904 [Note] InnoDB: Mutexes and rw_locks use Windows interlocked functions
2013-12-18 10:00:00 904 [Note] InnoDB: Compressed tables use zlib 1.2.3
2013-12-18 10:00:00 904 [Note] InnoDB: Not using CPU crc32 instructions
2013-12-18 10:00:00 904 [Note] InnoDB: Initializing buffer pool, size = 128.0M
2013-12-18 10:00:00 904 [Note] InnoDB: Completed initialization of buffer pool
2013-12-18 10:00:00 904 [Note] InnoDB: Highest supported file format is Barracuda.
2013-12-18 10:00:00 904 [Note] InnoDB: The log sequence numbers 2283844 and 2283844 in ibdata files do not match the log sequence number 2484632 in the ib_logfiles!
2013-12-18 10:00:00 904 [Note] InnoDB: Database was not shutdown normally!
2013-12-18 10:00:00 904 [Note] InnoDB: Starting crash recovery.
2013-12-18 10:00:00 904 [Note] InnoDB: Reading tablespace information from the .ibd files...
2013-12-18 10:00:00 904 [ERROR] InnoDB: Attempted to open a previously opened tablespace. Previous tablespace airbnb/amenities uses space ID: 6 at filepath: .\airbnb\amenities.ibd. Cannot open tablespace webotrip/amenities which uses space ID: 6 at filepath: .\webotrip\amenities.ibd
InnoDB: Error: could not open single-table tablespace file .\webotrip\amenities.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.
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Click the Wamp server icon then select "Apache" > "httpd. conf open" and "Find Local host: 80". Change the line "Find Listen 80" to "Listen 8080". Now restart all services.
WampServer is a Windows web development environment. It allows you to create web applications with Apache2, PHP and a MySQL database.
To shut down WampServer, click on the systray icon and select Stop All Services to shut down the Apache and MySQL services. The icon will turn red once all services have been shut down. Next you will right-click on the WampServer systray icon and click Exit to close the program.
To fix this issue, navigate to the WAMP server icon in the system tray > Apache > Service administration 'wampapache64' > Install Service. It will open the Command Prompt on your screen. After closing the Command Prompt, go to the same path and click on Start/Resume Service.
i found a solution
Backup your \wamp\bin\mysql\mysql5.6.12\data folder JUST IN CASE.
left click the wampmanager icon -> MySQL -> my.ini ( to edit the mysql config file )
and add this line to the wampmysqld section [wampmysqld] (or [mysqld] if You don't have [wampmysqld])
innodb_force_recovery = 1
and then save my.ini
give it a minute to do its recovery, then check the mysql error log again to see if it has recovered the database.
now remove the innodb_force_recovery = 1 parameter you previously added.
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