问题：

　　MySQL启动报错

　　本地计算机上的MySQL服务启动后停止。某些服务在未由其他服务或程序使用时将自动停止。,mysql5.7 本地计算机上的mysql 服务启动后停止 的问题解决 Mysql 第1张

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排查：

　　cmd中输入

mysqld --console

 　　显示

本地计算机上的MySQL服务启动后停止。某些服务在未由其他服务或程序使用时将自动停止。,mysql5.7 本地计算机上的mysql 服务启动后停止 的问题解决 Mysql 第2张 
 1 C:\Users\basil>mysqld --console
 2 2019-01-30T01:40:44.158771Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
 3 2019-01-30T01:40:44.158771Z 0 [Warning] 'NO_ZERO_DATE', 'NO_ZERO_IN_DATE' and 'ERROR_FOR_DIVISION_BY_ZERO' sql modes should be used with strict mode. They will be merged with strict mode in a future release.
 4 2019-01-30T01:40:44.158771Z 0 [Warning] 'NO_AUTO_CREATE_USER' sql mode was not set.
 5 2019-01-30T01:40:44.158771Z 0 [Note] --secure-file-priv is set to NULL. Operations related to importing and exporting data are disabled
 6 2019-01-30T01:40:44.159766Z 0 [Note] mysqld (mysqld 5.7.20) starting as process 2104 ...
 7 2019-01-30T01:40:44.173510Z 0 [Note] InnoDB: Mutexes and rw_locks use Windows interlocked functions
 8 2019-01-30T01:40:44.174506Z 0 [Note] InnoDB: Uses event mutexes
 9 2019-01-30T01:40:44.174506Z 0 [Note] InnoDB: _mm_lfence() and _mm_sfence() are used for memory barrier
10 2019-01-30T01:40:44.175503Z 0 [Note] InnoDB: Compressed tables use zlib 1.2.3
11 2019-01-30T01:40:44.175503Z 0 [Note] InnoDB: Number of pools: 1
12 2019-01-30T01:40:44.176500Z 0 [Note] InnoDB: Not using CPU crc32 instructions
13 2019-01-30T01:40:44.193456Z 0 [Note] InnoDB: Initializing buffer pool, total size = 128M, instances = 1, chunk size = 128M
14 2019-01-30T01:40:44.199441Z 0 [Note] InnoDB: Completed initialization of buffer pool
15 2019-01-30T01:40:44.241257Z 0 [Note] InnoDB: Highest supported file format is Barracuda.
16 2019-01-30T01:40:44.340299Z 0 [Note] InnoDB: Creating shared tablespace for temporary tables
17 2019-01-30T01:40:44.343290Z 0 [Note] InnoDB: Setting file '.\ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
18 2019-01-30T01:40:44.366473Z 0 [Note] InnoDB: File '.\ibtmp1' size is now 12 MB.
19 2019-01-30T01:40:44.433390Z 0 [Note] InnoDB: 96 redo rollback segment(s) found. 96 redo rollback segment(s) are active.
20 2019-01-30T01:40:44.434387Z 0 [Note] InnoDB: 32 non-redo rollback segment(s) are active.
21 2019-01-30T01:40:44.436381Z 0 [Note] InnoDB: Waiting for purge to start
22 2019-01-30T01:40:44.487667Z 0 [Note] InnoDB: 5.7.20 started; log sequence number 2682761
23 2019-01-30T01:40:44.488553Z 0 [Note] Plugin 'FEDERATED' is disabled.
24 2019-01-30T01:40:44.489552Z 0 [Note] InnoDB: Loading buffer pool(s) from D:\DevelopSotfware\mysql-5.7.20-winx64\data\ib_buffer_pool
25 2019-01-30T01:40:44.498544Z 0 [ERROR] unknown variable 'long-slow-queries=D:\DevelopSotfware\mysql-5.7.20-winx64\slow-query.log'
26 2019-01-30T01:40:44.498544Z 0 [ERROR] Aborting
27 
28 2019-01-30T01:40:44.499541Z 0 [Note] Binlog end
29 2019-01-30T01:40:44.499541Z 0 [Note] Shutting down plugin 'ngram'
30 2019-01-30T01:40:44.500539Z 0 [Note] Shutting down plugin 'partition'
31 2019-01-30T01:40:44.500539Z 0 [Note] Shutting down plugin 'BLACKHOLE'
32 2019-01-30T01:40:44.500539Z 0 [Note] Shutting down plugin 'ARCHIVE'
33 2019-01-30T01:40:44.501538Z 0 [Note] Shutting down plugin 'PERFORMANCE_SCHEMA'
34 2019-01-30T01:40:44.501538Z 0 [Note] Shutting down plugin 'MRG_MYISAM'
35 2019-01-30T01:40:44.502532Z 0 [Note] Shutting down plugin 'MyISAM'
36 2019-01-30T01:40:44.504527Z 0 [Note] Shutting down plugin 'INNODB_SYS_VIRTUAL'
37 2019-01-30T01:40:44.504527Z 0 [Note] Shutting down plugin 'INNODB_SYS_DATAFILES'
38 2019-01-30T01:40:44.504527Z 0 [Note] Shutting down plugin 'INNODB_SYS_TABLESPACES'
39 2019-01-30T01:40:44.504527Z 0 [Note] Shutting down plugin 'INNODB_SYS_FOREIGN_COLS'
40 2019-01-30T01:40:44.504527Z 0 [Note] Shutting down plugin 'INNODB_SYS_FOREIGN'
41 2019-01-30T01:40:44.505524Z 0 [Note] Shutting down plugin 'INNODB_SYS_FIELDS'
42 2019-01-30T01:40:44.505524Z 0 [Note] Shutting down plugin 'INNODB_SYS_COLUMNS'
43 2019-01-30T01:40:44.505524Z 0 [Note] Shutting down plugin 'INNODB_SYS_INDEXES'
44 2019-01-30T01:40:44.505524Z 0 [Note] Shutting down plugin 'INNODB_SYS_TABLESTATS'
45 2019-01-30T01:40:44.507520Z 0 [Note] Shutting down plugin 'INNODB_SYS_TABLES'
46 2019-01-30T01:40:44.507520Z 0 [Note] Shutting down plugin 'INNODB_FT_INDEX_TABLE'
47 2019-01-30T01:40:44.508517Z 0 [Note] Shutting down plugin 'INNODB_FT_INDEX_CACHE'
48 2019-01-30T01:40:44.508517Z 0 [Note] Shutting down plugin 'INNODB_FT_CONFIG'
49 2019-01-30T01:40:44.508517Z 0 [Note] Shutting down plugin 'INNODB_FT_BEING_DELETED'
50 2019-01-30T01:40:44.508517Z 0 [Note] Shutting down plugin 'INNODB_FT_DELETED'
51 2019-01-30T01:40:44.508517Z 0 [Note] Shutting down plugin 'INNODB_FT_DEFAULT_STOPWORD'
52 2019-01-30T01:40:44.509514Z 0 [Note] Shutting down plugin 'INNODB_METRICS'
53 2019-01-30T01:40:44.509514Z 0 [Note] Shutting down plugin 'INNODB_TEMP_TABLE_INFO'
54 2019-01-30T01:40:44.509514Z 0 [Note] Shutting down plugin 'INNODB_BUFFER_POOL_STATS'
55 2019-01-30T01:40:44.509514Z 0 [Note] Shutting down plugin 'INNODB_BUFFER_PAGE_LRU'
56 2019-01-30T01:40:44.509514Z 0 [Note] Shutting down plugin 'INNODB_BUFFER_PAGE'
57 2019-01-30T01:40:44.510512Z 0 [Note] Shutting down plugin 'INNODB_CMP_PER_INDEX_RESET'
58 2019-01-30T01:40:44.510512Z 0 [Note] InnoDB: Buffer pool(s) load completed at 190130  9:40:44
59 2019-01-30T01:40:44.510512Z 0 [Note] Shutting down plugin 'INNODB_CMP_PER_INDEX'
60 2019-01-30T01:40:44.510512Z 0 [Note] Shutting down plugin 'INNODB_CMPMEM_RESET'
61 2019-01-30T01:40:44.510512Z 0 [Note] Shutting down plugin 'INNODB_CMPMEM'
62 2019-01-30T01:40:44.511509Z 0 [Note] Shutting down plugin 'INNODB_CMP_RESET'
63 2019-01-30T01:40:44.511509Z 0 [Note] Shutting down plugin 'INNODB_CMP'
64 2019-01-30T01:40:44.511509Z 0 [Note] Shutting down plugin 'INNODB_LOCK_WAITS'
65 2019-01-30T01:40:44.511509Z 0 [Note] Shutting down plugin 'INNODB_LOCKS'
66 2019-01-30T01:40:44.511509Z 0 [Note] Shutting down plugin 'INNODB_TRX'
67 2019-01-30T01:40:44.512509Z 0 [Note] Shutting down plugin 'InnoDB'
68 2019-01-30T01:40:44.512509Z 0 [Note] InnoDB: FTS optimize thread exiting.
69 2019-01-30T01:40:44.512509Z 0 [Note] InnoDB: Starting shutdown...
70 2019-01-30T01:40:44.613877Z 0 [Note] InnoDB: Dumping buffer pool(s) to D:\DevelopSotfware\mysql-5.7.20-winx64\data\ib_buffer_pool
71 2019-01-30T01:40:44.618864Z 0 [Note] InnoDB: Buffer pool(s) dump completed at 190130  9:40:44
72 2019-01-30T01:40:45.930503Z 0 [Note] InnoDB: Shutdown completed; log sequence number 2682780
73 2019-01-30T01:40:45.931501Z 0 [Note] InnoDB: Removed temporary tablespace data file: "ibtmp1"
74 2019-01-30T01:40:45.932497Z 0 [Note] Shutting down plugin 'MEMORY'
75 2019-01-30T01:40:45.932497Z 0 [Note] Shutting down plugin 'CSV'
76 2019-01-30T01:40:45.932497Z 0 [Note] Shutting down plugin 'sha256_password'
77 2019-01-30T01:40:45.933614Z 0 [Note] Shutting down plugin 'mysql_native_password'
78 2019-01-30T01:40:45.933614Z 0 [Note] Shutting down plugin 'binlog'
79 2019-01-30T01:40:45.934597Z 0 [Note] mysqld: Shutdown complete
View Code

 

注意报错：[ERROR] unknown variable 'long-slow-queries=D:\DevelopSotfware\mysql-5.7.20-winx64\slow-query.log'，之前学习MySQL优化留下的坑，MySQL重启起不来了。

解决方案：

　　注释或者删除掉，再次重启即可

参考：

　　mysql5.7 本地计算机上的mysql 服务启动后停止 的问题解决

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