mamp mysql无法启动

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我有mysql服务器的问题.当我启动MAMP时,Mysql服务器无法启动.我试图改变端口,但它没有帮助.我检查错误日志,我发现这个：

161010 09:21:07 mysqld_safe Starting mysqld daemon with databases from /Applications/MAMP/db/mysql56
2016-10-10 09:21:07 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2016-10-10 09:21:07 0 [Note] /Applications/MAMP/Library/bin/mysqld (mysqld 5.6.28) starting as process 6633 ...
2016-10-10 09:21:07 6633 [Warning] Setting lower_case_table_names=2 because file system for /Applications/MAMP/db/mysql56/ is case insensitive
2016-10-10 09:21:07 6633 [Note] Plugin 'FEDERATED' is disabled.
/Applications/MAMP/Library/bin/mysqld: Can't find file: './mysql/plugin.frm' (errno: 13 - Permission denied)
2016-10-10 09:21:07 6633 [ERROR] Can't open the mysql.plugin table.    Please run mysql_upgrade to create it.
2016-10-10 09:21:07 6633 [Note] InnoDB: Using atomics to ref count buffer pool pages
2016-10-10 09:21:07 6633 [Note] InnoDB: The InnoDB memory heap is disabled
2016-10-10 09:21:07 6633 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2016-10-10 09:21:07 6633 [Note] InnoDB: Memory barrier is not used
2016-10-10 09:21:07 6633 [Note] InnoDB: Compressed tables use zlib 1.2.8
2016-10-10 09:21:07 6633 [Note] InnoDB: Using CPU crc32 instructions
2016-10-10 09:21:07 6633 [Note] InnoDB: Initializing buffer pool, size = 128.0M
2016-10-10 09:21:07 6633 [Note] InnoDB: Completed initialization of buffer pool
2016-10-10 09:21:07 6633 [Note] InnoDB: Highest supported file format is Barracuda.
2016-10-10 09:21:07 6633 [Note] InnoDB: 128 rollback segment(s) are active.
2016-10-10 09:21:07 6633 [Note] InnoDB: Waiting for purge to start
2016-10-10 09:21:07 6633 [Note] InnoDB: 5.6.28 started; log sequence number 1600617
2016-10-10 09:21:07 6633 [Note] RSA private key file not found: /Applications/MAMP/db/mysql56//private_key.pem. Some authentication plugins will not work.
2016-10-10 09:21:07 6633 [Note] RSA public key file not found: /Applications/MAMP/db/mysql56//public_key.pem. Some authentication plugins will not work.
2016-10-10 09:21:07 6633 [Note] Server hostname (bind-address): '*'; port: 3308
2016-10-10 09:21:07 6633 [Note] IPv6 is available.
2016-10-10 09:21:07 6633 [Note]   - '::' resolves to '::';
2016-10-10 09:21:07 6633 [Note] Server socket created on IP: '::'.
2016-10-10 09:21:07 6633 [ERROR] /Applications/MAMP/Library/bin/mysqld:  Can't find file: './mysql/user.frm' (errno: 13 - Permission denied)
2016-10-10 09:21:07 6633 [ERROR] Fatal error: Can't open and lock privilege tables: Can't find file: './mysql/user.frm' (errno: 13 - Permission denied)
161010 09:21:07 mysqld_safe mysqld from pid file   /Applications/MAMP/tmp/mysql/mysql.pid ended

我希望有人可以帮我解决这个问题.

解决方法:

我不知道这是不是你的问题,但是我试着用killall -9 mysqld杀??死mysqld并尝试在Activity Monitor中运行mysqld,但它并不存在.

最终我把它解决了：在我遇到问题之前发生的事情是mysqldump被打断了.这破坏了表空间.所以我退出并重新启动MAMP PRO(服务器未设置为自动启动).然后使用MAMPs文件>更改了my.cnf编辑模板.并添加了行innodb_force_recovery = 1.之后服务器启动正常.修复后我注释掉了这一行.

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