寻找错误日志，日志默认在： C:\ProgramData\MySQL\MySQL Server 5.6\data\LI-PC.err 错误日志如下： InnoDB: Error: could not open single-table tablespace file .\mysql\innodb_index_stats.ibdInnoDB: We do not continue the crash recovery, because
寻找错误日志，日志默认在：
C:\ProgramData\MySQL\MySQL Server 5.6\data\LI-PC.err
错误日志如下：
InnoDB: Error: could not open single-table tablespace file .\mysql\innodb_index_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. 140424 9:34:06 [Note] Plugin 'FEDERATED' is disabled. 140424 9:34:06 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. 140424 9:34:06 InnoDB: The InnoDB memory heap is disabled 140424 9:34:06 InnoDB: Mutexes and rw_locks use Windows interlocked functions 140424 9:34:06 InnoDB: Compressed tables use zlib 1.2.3 140424 9:34:06 InnoDB: CPU does not support crc32 instructions 140424 9:34:06 InnoDB: Initializing buffer pool, size = 49.0M 140424 9:34:06 InnoDB: Completed initialization of buffer pool 140424 9:34:06 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! 140424 9:34:06 InnoDB: Database was not shut down normally! InnoDB: Starting crash recovery. InnoDB: Reading tablespace information from the .ibd files... 140424 9:34:06 [ERROR] InnoDB: InnoDB: Error: Attempt to open a tablespace previously opened. Previous tablespace hibernate/teacher uses space ID: 2 at filepath: .\hibernate\teacher.ibd Cannot open tablespace mysql/innodb_index_stats which uses space ID: 2 at filepath: .\mysql\innodb_index_stats.ibd InnoDB: Error: could not open single-table tablespace file .\mysql\innodb_index_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.
解决方案：仅从上述信息看，是innodb 的数据文件损坏，在我安装Mysql的数据目录：C:\ProgramData\MySQL\MySQL Server 5.6\data下,一般来说，直接删除ibdata1, ib_logfile0, .. 等innodb的文件，让MYSQL自动重建即可。
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