Mysqld不会从MacOSX Yosemite 10.10.2开始

Question

我试着运行以下命令：

$ mysqld start

但我得到了一个日志：

2015-02-19 01:41:48 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2015-02-19 01:41:48 37487 [Warning] Setting lower_case_table_names=2 because file system for /usr/local/var/mysql/ is case insensitive
2015-02-19 01:41:48 37487 [Note] Plugin 'FEDERATED' is disabled.
2015-02-19 01:41:48 37487 [Note] InnoDB: Using atomics to ref count buffer pool pages
2015-02-19 01:41:48 37487 [Note] InnoDB: The InnoDB memory heap is disabled
2015-02-19 01:41:48 37487 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2015-02-19 01:41:48 37487 [Note] InnoDB: Memory barrier is not used
2015-02-19 01:41:48 37487 [Note] InnoDB: Compressed tables use zlib 1.2.3
2015-02-19 01:41:48 37487 [Note] InnoDB: Using CPU crc32 instructions
2015-02-19 01:41:48 37487 [Note] InnoDB: Initializing buffer pool, size = 128.0M
2015-02-19 01:41:48 37487 [Note] InnoDB: Completed initialization of buffer pool
2015-02-19 01:41:48 37487 [Note] InnoDB: Highest supported file format is Barracuda.
2015-02-19 01:41:49 37487 [Note] InnoDB: 128 rollback segment(s) are active.
2015-02-19 01:41:49 37487 [Note] InnoDB: Waiting for purge to start
2015-02-19 01:41:49 37487 [Note] InnoDB: 5.6.21 started; log sequence number 512233130
mysqld: Too many arguments (first extra is 'start').
Use --verbose --help to get a list of available options
2015-02-19 01:41:49 37487 [ERROR] Aborting

2015-02-19 01:41:49 37487 [Note] Binlog end
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'partition'
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'PERFORMANCE_SCHEMA'
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'INNODB_SYS_DATAFILES'
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'INNODB_SYS_TABLESPACES'
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'INNODB_SYS_FOREIGN_COLS'
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'INNODB_SYS_FOREIGN'
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'INNODB_SYS_FIELDS'
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'INNODB_SYS_COLUMNS'
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'INNODB_SYS_INDEXES'
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'INNODB_SYS_TABLESTATS'
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'INNODB_SYS_TABLES'
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'INNODB_FT_INDEX_TABLE'
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'INNODB_FT_INDEX_CACHE'
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'INNODB_FT_CONFIG'
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'INNODB_FT_BEING_DELETED'
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'INNODB_FT_DELETED'
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'INNODB_FT_DEFAULT_STOPWORD'
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'INNODB_METRICS'
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'INNODB_BUFFER_POOL_STATS'
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'INNODB_BUFFER_PAGE_LRU'
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'INNODB_BUFFER_PAGE'
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'INNODB_CMP_PER_INDEX_RESET'
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'INNODB_CMP_PER_INDEX'
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'INNODB_CMPMEM_RESET'
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'INNODB_CMPMEM'
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'INNODB_CMP_RESET'
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'INNODB_CMP'
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'INNODB_LOCK_WAITS'
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'INNODB_LOCKS'
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'INNODB_TRX'
2015-02-19 01:41:49 37487 [Note] Shutting down plugin 'InnoDB'
2015-02-19 01:41:49 37487 [Note] InnoDB: FTS optimize thread exiting.
2015-02-19 01:41:49 37487 [Note] InnoDB: Starting shutdown...
2015-02-19 01:41:50 37487 [Note] InnoDB: Shutdown completed; log sequence number 512233140
2015-02-19 01:41:50 37487 [Note] Shutting down plugin 'BLACKHOLE'
2015-02-19 01:41:50 37487 [Note] Shutting down plugin 'ARCHIVE'
2015-02-19 01:41:50 37487 [Note] Shutting down plugin 'MRG_MYISAM'
2015-02-19 01:41:50 37487 [Note] Shutting down plugin 'MyISAM'
2015-02-19 01:41:50 37487 [Note] Shutting down plugin 'MEMORY'
2015-02-19 01:41:50 37487 [Note] Shutting down plugin 'CSV'
2015-02-19 01:41:50 37487 [Note] Shutting down plugin 'sha256_password'
2015-02-19 01:41:50 37487 [Note] Shutting down plugin 'mysql_old_password'
2015-02-19 01:41:50 37487 [Note] Shutting down plugin 'mysql_native_password'
2015-02-19 01:41:50 37487 [Note] Shutting down plugin 'binlog'
2015-02-19 01:41:50 37487 [Note] mysqld: Shutdown complete

遇到这个问题后，我从cakebrew卸载并重新安装了mysql。

我记得我以前运行过mysql服务器，但我不知道为什么现在不能运行它。有什么暗示吗？我尝试过寻找类似的问题，但问题似乎是相当具体的：

Answer 1

问题就在这里显示出来：

mysqld: Too many arguments (first extra is 'start'). 
Use --verbose --help to get a list of available options 
2015-02-19 01:41:49 37487 [ERROR] Aborting

它告诉您，它不理解mysqld命令后面的单词start。你确实使用了start，但它不喜欢这样。

使用：

mysqld --verbose --help

为了方便阅读，您可以使用：

mysqld --verbose --help | more

要获得一个选项列表，您可能想要开始它。

最简单的开始方式是：

mysqld &

这将是进程的背景，但是，这可能不是您想要运行的方式。我不使用cakebrew，但是使用homebrew，这是我用来一次性启动mysql的命令。

mysql.server start

此外，您还可以使用lanchctl：

To have launchd start mysql at login:
    ln -sfv /usr/local/opt/mysql/*.plist ~/Library/LaunchAgents
Then to load mysql now:
    launchctl load ~/Library/LaunchAgents/homebrew.mxcl.mysql.plist