错误LINUX MINT MYSQL
我已经将/ var / lib / mysql /更改为chmod 777
2019-02-27T16:35:55.748379Z 0 [Warning] Changed limits: max_open_files: 1024 (requested 5000)
2019-02-27T16:35:55.748447Z 0 [Warning] Changed limits: table_open_cache: 431 (requested 2000)
2019-02-27T16:35:55.919606Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2019-02-27T16:35:55.921605Z 0 [Note] mysqld (mysqld 5.7.25-0ubuntu0.18.04.2) starting as process 16788 ...
2019-02-27T16:35:55.926137Z 0 [Note] InnoDB: PUNCH HOLE support available
2019-02-27T16:35:55.926173Z 0 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2019-02-27T16:35:55.926182Z 0 [Note] InnoDB: Uses event mutexes
2019-02-27T16:35:55.926190Z 0 [Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier
2019-02-27T16:35:55.926198Z 0 [Note] InnoDB: Compressed tables use zlib 1.2.11
2019-02-27T16:35:55.926206Z 0 [Note] InnoDB: Using Linux native AIO
2019-02-27T16:35:55.926511Z 0 [Note] InnoDB: Number of pools: 1
2019-02-27T16:35:55.926644Z 0 [Note] InnoDB: Using CPU crc32 instructions
2019-02-27T16:35:55.928888Z 0 [Note] InnoDB: Initializing buffer pool, total size = 128M, instances = 1, chunk size = 128M
2019-02-27T16:35:55.945234Z 0 [Note] InnoDB: Completed initialization of buffer pool
2019-02-27T16:35:55.948312Z 0 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority().
2019-02-27T16:35:55.958383Z 0 [ERROR] InnoDB: The innodb_system data file 'ibdata1' must be writable
2019-02-27T16:35:55.958517Z 0 [ERROR] InnoDB: The innodb_system data file 'ibdata1' must be writable
2019-02-27T16:35:55.958539Z 0 [ERROR] InnoDB: Plugin initialization aborted with error Generic error
2019-02-27T16:35:56.559302Z 0 [ERROR] Plugin 'InnoDB' init function returned error.
2019-02-27T16:35:56.559365Z 0 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
2019-02-27T16:35:56.559381Z 0 [ERROR] Failed to initialize builtin plugins.
2019-02-27T16:35:56.559404Z 0 [ERROR] Aborting
2019-02-27T16:35:56.559441Z 0 [Note] Binlog end
2019-02-27T16:35:56.559583Z 0 [Note] Shutting down plugin 'CSV'
2019-02-27T16:35:56.560410Z 0 [Note] mysqld: Shutdown complete
您必须检查文件系统的权限：
The innodb_system data file 'ibdata1' must be writable
包含ibdata1的文件夹似乎不是mysql用户可写的。
我有同样的问题，文件ibdata1确实可写-rw-rw--w-。
该文件的完整路径位于/usr/local/var/mysql/ibdata1。但是如果我让所有人都可以写文件它也无济于事 - 我得到了同样的错误。
通过删除answer偶然发现了*.err，它为我做了！希望它能帮到你。