所以，我在MAMP Pro中遇到这个问题已有2个多星期了，它告诉我
“ MySQL似乎正在运行，但不接受连接。”
我尝试卸载并重新安装MAMP至少10次。当我重新安装它时，它开始工作约一个小时，然后再次发生相同的问题。
我阅读了许多解决此问题的方法，但实际上似乎都无效。
有什么我可以解决的方法吗？
这是我在MySQL日志中拥有的内容：
2020-05-21T05:48:25.6NZ mysqld_safe Logging to '/Applications/MAMP/logs/mysql_error.log'.
2020-05-21T05:48:25.6NZ mysqld_safe Starting mysqld daemon with databases from /Library/Application Support/appsolute/MAMP PRO/db/mysql57
2020-05-21T05:48:25.773722Z 0 [Warning] Insecure configuration for --secure-file-priv: Current value does not restrict location of generated files. Consider setting it to a valid, non-empty path.
2020-05-21T05:48:25.773911Z 0 [Note] /Applications/MAMP/Library/bin/mysqld (mysqld 5.7.26) starting as process 8573 ...
2020-05-21T05:48:25.776884Z 0 [Warning] Setting lower_case_table_names=2 because file system for /Library/Application Support/appsolute/MAMP PRO/db/mysql57/ is case insensitive
2020-05-21T05:48:25.778948Z 0 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2020-05-21T05:48:25.778971Z 0 [Note] InnoDB: Uses event mutexes
2020-05-21T05:48:25.778981Z 0 [Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier
2020-05-21T05:48:25.778989Z 0 [Note] InnoDB: Compressed tables use zlib 1.2.11
2020-05-21T05:48:25.779008Z 0 [Note] InnoDB: Adjusting innodb_buffer_pool_instances from 8 to 1 since innodb_buffer_pool_size is less than 1024 MiB
2020-05-21T05:48:25.779262Z 0 [Note] InnoDB: Number of pools: 1
2020-05-21T05:48:25.779376Z 0 [Note] InnoDB: Using CPU crc32 instructions
2020-05-21T05:48:25.780626Z 0 [Note] InnoDB: Initializing buffer pool, total size = 128M, instances = 1, chunk size = 128M
2020-05-21T05:48:25.788888Z 0 [Note] InnoDB: Completed initialization of buffer pool
2020-05-21T05:48:25.803873Z 0 [Note] InnoDB: Highest supported file format is Barracuda.
2020-05-21T05:48:25.822650Z 0 [Note] InnoDB: Creating shared tablespace for temporary tables
2020-05-21T05:48:25.822810Z 0 [Note] InnoDB: Setting file './ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
2020-05-21T05:48:25.829388Z 0 [Note] InnoDB: File './ibtmp1' size is now 12 MB.
2020-05-21T05:48:25.830177Z 0 [Note] InnoDB: 96 redo rollback segment(s) found. 96 redo rollback segment(s) are active.
2020-05-21T05:48:25.830203Z 0 [Note] InnoDB: 32 non-redo rollback segment(s) are active.
2020-05-21T05:48:25.830368Z 0 [Note] InnoDB: Waiting for purge to start
2020-05-21T05:48:25.882963Z 0 [Note] InnoDB: 5.7.26 started; log sequence number 611077514
2020-05-21T05:48:25.883431Z 0 [Note] InnoDB: Loading buffer pool(s) from /Library/Application Support/appsolute/MAMP PRO/db/mysql57/ib_buffer_pool
2020-05-21T05:48:25.883557Z 0 [Note] Plugin 'FEDERATED' is disabled.
2020-05-21T05:48:25.889448Z 0 [Warning] System table 'plugin' is expected to be transactional.
2020-05-21T05:48:25.890010Z 0 [Note] InnoDB: Buffer pool(s) load completed at 200520 22:48:25
2020-05-21T05:48:25.890635Z 0 [Warning] Failed to set up SSL because of the following SSL library error: SSL context is not usable without certificate and private key
2020-05-21T05:48:25.890661Z 0 [Note] Server hostname (bind-address): '127.0.0.1'; port: 8889
2020-05-21T05:48:25.890927Z 0 [Note] - '127.0.0.1' resolves to '127.0.0.1';
2020-05-21T05:48:25.891077Z 0 [Note] Server socket created on IP: '127.0.0.1'.
2020-05-21T05:48:25.891547Z 0 [Warning] Insecure configuration for --pid-file: Location '/Applications/MAMP/tmp' in the path is accessible to all OS users. Consider choosing a different directory.
2020-05-21T05:48:25.893468Z 0 [Warning] The plugin '0' used to authenticate user 'root'@'localhost' is not loaded. Nobody can currently login using this account.
2020-05-21T05:48:25.893494Z 0 [Warning] The plugin '0' used to authenticate user 'root'@'127.0.0.1' is not loaded. Nobody can currently login using this account.
2020-05-21T05:48:25.893505Z 0 [Warning] The plugin '0' used to authenticate user 'root'@'::1' is not loaded. Nobody can currently login using this account.
2020-05-21T05:48:25.893514Z 0 [Warning] The plugin '0' used to authenticate user 'adaptivecrm'@'localhost' is not loaded. Nobody can currently login using this account.
2020-05-21T05:48:25.894944Z 0 [Warning] System table 'time_zone_leap_second' is expected to be transactional.
2020-05-21T05:48:25.894965Z 0 [Warning] System table 'time_zone_name' is expected to be transactional.
2020-05-21T05:48:25.894974Z 0 [Warning] System table 'time_zone' is expected to be transactional.
2020-05-21T05:48:25.894983Z 0 [Warning] System table 'time_zone_transition_type' is expected to be transactional.
2020-05-21T05:48:25.894991Z 0 [Warning] System table 'time_zone_transition' is expected to be transactional.
2020-05-21T05:48:25.896190Z 0 [Warning] System table 'servers' is expected to be transactional.
2020-05-21T05:48:25.898286Z 0 [Note] Failed to start slave threads for channel ''
2020-05-21T05:48:25.907511Z 0 [ERROR] Column count of mysql.db is wrong. Expected 22, found 23. The table is probably corrupted
2020-05-21T05:48:25.907743Z 0 [ERROR] mysql.user has no `Event_priv` column at position 28
2020-05-21T05:48:25.908087Z 0 [ERROR] Incorrect definition of table mysql.event: expected column 'sql_mode' at position 14 to have type set('REAL_AS_FLOAT','PIPES_AS_CONCAT','ANSI_QUOTES','IGNORE_SPACE','NOT_USED','ONLY_FULL_GROUP_BY','NO_UNSIGNED_SUBTRACTION','NO_DIR_IN_CREATE','POSTGRESQL','ORACLE','MSSQL','DB2','MAXDB','NO_KEY_OPTIONS','NO_TABLE_OPTIONS','NO_FIELD_OPTIONS','MYSQL323','MYSQL40','ANSI','NO_AUTO_VALUE_ON_ZERO','NO_BACKSLASH_ESCAPES','STRICT_TRANS_TABLES','STRICT_ALL_TABLES','NO_ZERO_IN_DATE','NO_ZERO_DATE','INVALID_DATES','ERROR_FOR_DIVISION_BY_ZERO','TRADITIONAL','NO_AUTO_CREATE_USER','HIGH_NOT_PRECEDENCE','NO_ENGINE_SUBSTITUTION','PAD_CHAR_TO_FULL_LENGTH'), found type set('REAL_AS_FLOAT','PIPES_AS_CONCAT','ANSI_QUOTES','IGNORE_SPACE','IGNORE_BAD_TABLE_OPTIONS','ONLY_FULL_GROUP_BY','NO_UNSIGNED_SUBTRACTION','NO_DIR_IN_CREATE','POSTGRESQL','ORACLE','MSSQL','DB2','MAXDB','NO_KEY_OPTIONS','NO_TABLE_OPTIONS','NO_FIELD_OPTIONS','MYSQL323','MYSQL40','ANSI','NO_AUTO_VALUE_ON_ZERO','NO_BACKSLASH_ESCAPES','STRICT_TRANS_TABLES','STRICT_A
2020-05-21T05:48:25.908118Z 0 [ERROR] Event Scheduler: An error occurred when initializing system tables. Disabling the Event Scheduler.
2020-05-21T05:48:25.908225Z 0 [Note] /Applications/MAMP/Library/bin/mysqld: ready for connections.
Version: '5.7.26' socket: '/Applications/MAMP/tmp/mysql/mysql.sock' port: 8889 MySQL Community Server (GPL)
2020-05-21T05:48:26.012427Z 2 [Note] Plugin '0' is not loaded
2020-05-21T05:48:26.023410Z 3 [Note] Plugin '0' is not loaded
2020-05-21T05:48:26.034458Z 4 [Note] Plugin '0' is not loaded
2020-05-21T05:48:26.044946Z 5 [Note] Plugin '0' is not loaded
2020-05-21T05:48:26.054964Z 6 [Note] Plugin '0' is not loaded
2020-05-21T05:48:30.802073Z 7 [Note] Plugin '0' is not loaded
所以实际上发生的是，我运行了一个由使用MariaDB的系统生成的SQL命令。因此，由于在我的计算机上加载MySQL时，它也试图启动针对MariaDB格式化的特定数据库。
我必须彻底清除MAMP才能解决此问题。
感谢@danblack指导我！