2019-05-15T12:30:17.636504Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2019-05-15T12:30:17.901853Z 0 [Warning] InnoDB: New log files created, LSN=45790
2019-05-15T12:30:17.954655Z 0 [Warning] InnoDB: Creating foreign key constraint system tables.
2019-05-15T12:30:18.014814Z 0 [Warning] No existing UUID has been found, so we assume that this is the first time that this server has been started. Generating a new UUID: 32af6b44-770d-11e9-a052-9cb6d0c38ac7.
2019-05-15T12:30:18.021153Z 0 [Warning] Gtid table is not ready to be used. Table 'mysql.gtid_executed' cannot be opened.
2019-05-15T12:30:18.021566Z 1 [Warning] root@localhost is created with an empty password ! Please consider switching off the --initialize-insecure option.
2019-05-15T12:30:21.663449Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2019-05-15T12:30:21.664391Z 0 [Note] mysqld (mysqld 5.7.26-0ubuntu0.18.04.1) starting as process 29946 ...
2019-05-15T12:30:21.666793Z 0 [Note] InnoDB: PUNCH HOLE support available
2019-05-15T12:30:21.666804Z 0 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2019-05-15T12:30:21.666815Z 0 [Note] InnoDB: Uses event mutexes
2019-05-15T12:30:21.666827Z 0 [Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier
2019-05-15T12:30:21.666838Z 0 [Note] InnoDB: Compressed tables use zlib 1.2.11
2019-05-15T12:30:21.666849Z 0 [Note] InnoDB: Using Linux native AIO
2019-05-15T12:30:21.666974Z 0 [Note] InnoDB: Number of pools: 1
2019-05-15T12:30:21.667031Z 0 [Note] InnoDB: Using CPU crc32 instructions
2019-05-15T12:30:21.667876Z 0 [Note] InnoDB: Initializing buffer pool, total size = 128M, instances = 1, chunk size = 128M
2019-05-15T12:30:21.672438Z 0 [Note] InnoDB: Completed initialization of buffer pool
2019-05-15T12:30:21.674003Z 0 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority().
2019-05-15T12:30:21.684910Z 0 [Note] InnoDB: Highest supported file format is Barracuda.
2019-05-15T12:30:21.695611Z 0 [Note] InnoDB: Creating shared tablespace for temporary tables
2019-05-15T12:30:21.695645Z 0 [Note] InnoDB: Setting file './ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
2019-05-15T12:30:21.717173Z 0 [Note] InnoDB: File './ibtmp1' size is now 12 MB.
2019-05-15T12:30:21.719480Z 0 [Note] InnoDB: 96 redo rollback segment(s) found. 96 redo rollback segment(s) are active.
2019-05-15T12:30:21.719537Z 0 [Note] InnoDB: 32 non-redo rollback segment(s) are active.
2019-05-15T12:30:21.720432Z 0 [Note] InnoDB: Waiting for purge to start
2019-05-15T12:30:21.770621Z 0 [Note] InnoDB: 5.7.26 started; log sequence number 2524985
2019-05-15T12:30:21.770970Z 0 [Note] InnoDB: Loading buffer pool(s) from /var/lib/mysql/ib_buffer_pool
2019-05-15T12:30:21.771072Z 0 [Note] Plugin 'FEDERATED' is disabled.
2019-05-15T12:30:21.772201Z 0 [Note] InnoDB: Buffer pool(s) load completed at 190515 13:30:21
2019-05-15T12:30:21.774028Z 0 [Warning] Failed to set up SSL because of the following SSL library error: SSL context is not usable without certificate and private key
2019-05-15T12:30:21.775952Z 0 [Warning] Insecure configuration for --pid-file: Location '/tmp' in the path is accessible to all OS users. Consider choosing a different directory.
2019-05-15T12:30:21.781611Z 0 [Note] Event Scheduler: Loaded 0 events
2019-05-15T12:30:21.781838Z 0 [Note] mysqld: ready for connections.
Version: '5.7.26-0ubuntu0.18.04.1'  socket: '/tmp/tmp.8cFyhGyHR6/mysqld.sock'  port: 0  (Ubuntu)
2019-05-15T12:30:21.798444Z 0 [Note] Giving 0 client threads a chance to die gracefully
2019-05-15T12:30:21.798466Z 0 [Note] Shutting down slave threads
2019-05-15T12:30:21.798477Z 0 [Note] Forcefully disconnecting 0 remaining clients
2019-05-15T12:30:21.798489Z 0 [Note] Event Scheduler: Purging the queue. 0 events
2019-05-15T12:30:21.798545Z 0 [Note] Binlog end
2019-05-15T12:30:21.798795Z 0 [Note] Shutting down plugin 'auth_socket'
2019-05-15T12:30:21.798806Z 0 [Note] Shutting down plugin 'ngram'
2019-05-15T12:30:21.798817Z 0 [Note] Shutting down plugin 'partition'
2019-05-15T12:30:21.798829Z 0 [Note] Shutting down plugin 'BLACKHOLE'
2019-05-15T12:30:21.798840Z 0 [Note] Shutting down plugin 'ARCHIVE'
2019-05-15T12:30:21.798851Z 0 [Note] Shutting down plugin 'PERFORMANCE_SCHEMA'
2019-05-15T12:30:21.798874Z 0 [Note] Shutting down plugin 'MRG_MYISAM'
2019-05-15T12:30:21.798885Z 0 [Note] Shutting down plugin 'MyISAM'
2019-05-15T12:30:21.798897Z 0 [Note] Shutting down plugin 'INNODB_SYS_VIRTUAL'
2019-05-15T12:30:21.798908Z 0 [Note] Shutting down plugin 'INNODB_SYS_DATAFILES'
2019-05-15T12:30:21.798919Z 0 [Note] Shutting down plugin 'INNODB_SYS_TABLESPACES'
2019-05-15T12:30:21.798931Z 0 [Note] Shutting down plugin 'INNODB_SYS_FOREIGN_COLS'
2019-05-15T12:30:21.798942Z 0 [Note] Shutting down plugin 'INNODB_SYS_FOREIGN'
2019-05-15T12:30:21.798953Z 0 [Note] Shutting down plugin 'INNODB_SYS_FIELDS'
2019-05-15T12:30:21.798965Z 0 [Note] Shutting down plugin 'INNODB_SYS_COLUMNS'
2019-05-15T12:30:21.798976Z 0 [Note] Shutting down plugin 'INNODB_SYS_INDEXES'
2019-05-15T12:30:21.798987Z 0 [Note] Shutting down plugin 'INNODB_SYS_TABLESTATS'
2019-05-15T12:30:21.798999Z 0 [Note] Shutting down plugin 'INNODB_SYS_TABLES'
2019-05-15T12:30:21.799010Z 0 [Note] Shutting down plugin 'INNODB_FT_INDEX_TABLE'
2019-05-15T12:30:21.799021Z 0 [Note] Shutting down plugin 'INNODB_FT_INDEX_CACHE'
2019-05-15T12:30:21.799033Z 0 [Note] Shutting down plugin 'INNODB_FT_CONFIG'
2019-05-15T12:30:21.799044Z 0 [Note] Shutting down plugin 'INNODB_FT_BEING_DELETED'
2019-05-15T12:30:21.799055Z 0 [Note] Shutting down plugin 'INNODB_FT_DELETED'
2019-05-15T12:30:21.799067Z 0 [Note] Shutting down plugin 'INNODB_FT_DEFAULT_STOPWORD'
2019-05-15T12:30:21.799078Z 0 [Note] Shutting down plugin 'INNODB_METRICS'
2019-05-15T12:30:21.799089Z 0 [Note] Shutting down plugin 'INNODB_TEMP_TABLE_INFO'
2019-05-15T12:30:21.799101Z 0 [Note] Shutting down plugin 'INNODB_BUFFER_POOL_STATS'
2019-05-15T12:30:21.799112Z 0 [Note] Shutting down plugin 'INNODB_BUFFER_PAGE_LRU'
2019-05-15T12:30:21.799123Z 0 [Note] Shutting down plugin 'INNODB_BUFFER_PAGE'
2019-05-15T12:30:21.799135Z 0 [Note] Shutting down plugin 'INNODB_CMP_PER_INDEX_RESET'
2019-05-15T12:30:21.799146Z 0 [Note] Shutting down plugin 'INNODB_CMP_PER_INDEX'
2019-05-15T12:30:21.799158Z 0 [Note] Shutting down plugin 'INNODB_CMPMEM_RESET'
2019-05-15T12:30:21.799169Z 0 [Note] Shutting down plugin 'INNODB_CMPMEM'
2019-05-15T12:30:21.799180Z 0 [Note] Shutting down plugin 'INNODB_CMP_RESET'
2019-05-15T12:30:21.799191Z 0 [Note] Shutting down plugin 'INNODB_CMP'
2019-05-15T12:30:21.799203Z 0 [Note] Shutting down plugin 'INNODB_LOCK_WAITS'
2019-05-15T12:30:21.799214Z 0 [Note] Shutting down plugin 'INNODB_LOCKS'
2019-05-15T12:30:21.799226Z 0 [Note] Shutting down plugin 'INNODB_TRX'
2019-05-15T12:30:21.799237Z 0 [Note] Shutting down plugin 'InnoDB'
2019-05-15T12:30:21.799328Z 0 [Note] InnoDB: FTS optimize thread exiting.
2019-05-15T12:30:21.799475Z 0 [Note] InnoDB: Starting shutdown...
2019-05-15T12:30:21.899822Z 0 [Note] InnoDB: Dumping buffer pool(s) to /var/lib/mysql/ib_buffer_pool
2019-05-15T12:30:21.899996Z 0 [Note] InnoDB: Buffer pool(s) dump completed at 190515 13:30:21
2019-05-15T12:30:23.608694Z 0 [Note] InnoDB: Shutdown completed; log sequence number 2525206
2019-05-15T12:30:23.609695Z 0 [Note] InnoDB: Removed temporary tablespace data file: "ibtmp1"
2019-05-15T12:30:23.609720Z 0 [Note] Shutting down plugin 'MEMORY'
2019-05-15T12:30:23.609731Z 0 [Note] Shutting down plugin 'CSV'
2019-05-15T12:30:23.609744Z 0 [Note] Shutting down plugin 'sha256_password'
2019-05-15T12:30:23.609756Z 0 [Note] Shutting down plugin 'mysql_native_password'
2019-05-15T12:30:23.609867Z 0 [Note] Shutting down plugin 'binlog'
2019-05-15T12:30:23.610026Z 0 [Note] mysqld: Shutdown complete

2019-05-15T12:30:25.415473Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2019-05-15T12:30:25.416426Z 0 [Note] mysqld (mysqld 5.7.26-0ubuntu0.18.04.1) starting as process 30019 ...
2019-05-15T12:30:25.418917Z 0 [Note] InnoDB: PUNCH HOLE support available
2019-05-15T12:30:25.418941Z 0 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2019-05-15T12:30:25.418954Z 0 [Note] InnoDB: Uses event mutexes
2019-05-15T12:30:25.418966Z 0 [Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier
2019-05-15T12:30:25.418977Z 0 [Note] InnoDB: Compressed tables use zlib 1.2.11
2019-05-15T12:30:25.418988Z 0 [Note] InnoDB: Using Linux native AIO
2019-05-15T12:30:25.419121Z 0 [Note] InnoDB: Number of pools: 1
2019-05-15T12:30:25.419188Z 0 [Note] InnoDB: Using CPU crc32 instructions
2019-05-15T12:30:25.420115Z 0 [Note] InnoDB: Initializing buffer pool, total size = 128M, instances = 1, chunk size = 128M
2019-05-15T12:30:25.424269Z 0 [Note] InnoDB: Completed initialization of buffer pool
2019-05-15T12:30:25.425752Z 0 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority().
2019-05-15T12:30:25.436768Z 0 [Note] InnoDB: Highest supported file format is Barracuda.
2019-05-15T12:30:25.444224Z 0 [Note] InnoDB: Creating shared tablespace for temporary tables
2019-05-15T12:30:25.444276Z 0 [Note] InnoDB: Setting file './ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
2019-05-15T12:30:25.466596Z 0 [Note] InnoDB: File './ibtmp1' size is now 12 MB.
2019-05-15T12:30:25.467472Z 0 [Note] InnoDB: 96 redo rollback segment(s) found. 96 redo rollback segment(s) are active.
2019-05-15T12:30:25.467485Z 0 [Note] InnoDB: 32 non-redo rollback segment(s) are active.
2019-05-15T12:30:25.468165Z 0 [Note] InnoDB: Waiting for purge to start
2019-05-15T12:30:25.518385Z 0 [Note] InnoDB: 5.7.26 started; log sequence number 2525206
2019-05-15T12:30:25.518622Z 0 [Note] InnoDB: Loading buffer pool(s) from /var/lib/mysql/ib_buffer_pool
2019-05-15T12:30:25.518679Z 0 [Note] Plugin 'FEDERATED' is disabled.
2019-05-15T12:30:25.519662Z 0 [Note] InnoDB: Buffer pool(s) load completed at 190515 13:30:25
2019-05-15T12:30:25.521349Z 0 [Warning] Failed to set up SSL because of the following SSL library error: SSL context is not usable without certificate and private key
2019-05-15T12:30:25.521360Z 0 [Note] Server hostname (bind-address): '127.0.0.1'; port: 3306
2019-05-15T12:30:25.521371Z 0 [Note]   - '127.0.0.1' resolves to '127.0.0.1';
2019-05-15T12:30:25.521394Z 0 [Note] Server socket created on IP: '127.0.0.1'.
2019-05-15T12:30:25.523469Z 0 [Warning] Insecure configuration for --pid-file: Location '/tmp' in the path is accessible to all OS users. Consider choosing a different directory.
2019-05-15T12:30:25.529285Z 0 [Note] Event Scheduler: Loaded 0 events
2019-05-15T12:30:25.529509Z 0 [Note] Execution of init_file '/var/lib/mysql-files/tmp.SW1i59jc0p' started.
2019-05-15T12:30:25.530038Z 0 [Note] Execution of init_file '/var/lib/mysql-files/tmp.SW1i59jc0p' ended.
2019-05-15T12:30:25.530152Z 0 [Note] mysqld: ready for connections.
Version: '5.7.26-0ubuntu0.18.04.1'  socket: '/tmp/tmp.siDH2A9zzj/mysqld.sock'  port: 3306  (Ubuntu)
2019-05-15T12:30:25.530650Z 0 [Note] Giving 0 client threads a chance to die gracefully
2019-05-15T12:30:25.530675Z 0 [Note] Shutting down slave threads
2019-05-15T12:30:25.530686Z 0 [Note] Forcefully disconnecting 0 remaining clients
2019-05-15T12:30:25.530699Z 0 [Note] Event Scheduler: Purging the queue. 0 events
2019-05-15T12:30:25.530794Z 0 [Note] Binlog end
2019-05-15T12:30:25.530988Z 0 [Note] Shutting down plugin 'auth_socket'
2019-05-15T12:30:25.531001Z 0 [Note] Shutting down plugin 'ngram'
2019-05-15T12:30:25.531012Z 0 [Note] Shutting down plugin 'partition'
2019-05-15T12:30:25.531023Z 0 [Note] Shutting down plugin 'BLACKHOLE'
2019-05-15T12:30:25.531035Z 0 [Note] Shutting down plugin 'ARCHIVE'
2019-05-15T12:30:25.531046Z 0 [Note] Shutting down plugin 'PERFORMANCE_SCHEMA'
2019-05-15T12:30:25.531057Z 0 [Note] Shutting down plugin 'MRG_MYISAM'
2019-05-15T12:30:25.531069Z 0 [Note] Shutting down plugin 'MyISAM'
2019-05-15T12:30:25.531080Z 0 [Note] Shutting down plugin 'INNODB_SYS_VIRTUAL'
2019-05-15T12:30:25.531091Z 0 [Note] Shutting down plugin 'INNODB_SYS_DATAFILES'
2019-05-15T12:30:25.531103Z 0 [Note] Shutting down plugin 'INNODB_SYS_TABLESPACES'
2019-05-15T12:30:25.531114Z 0 [Note] Shutting down plugin 'INNODB_SYS_FOREIGN_COLS'
2019-05-15T12:30:25.531126Z 0 [Note] Shutting down plugin 'INNODB_SYS_FOREIGN'
2019-05-15T12:30:25.531137Z 0 [Note] Shutting down plugin 'INNODB_SYS_FIELDS'
2019-05-15T12:30:25.531148Z 0 [Note] Shutting down plugin 'INNODB_SYS_COLUMNS'
2019-05-15T12:30:25.531160Z 0 [Note] Shutting down plugin 'INNODB_SYS_INDEXES'
2019-05-15T12:30:25.531171Z 0 [Note] Shutting down plugin 'INNODB_SYS_TABLESTATS'
2019-05-15T12:30:25.531182Z 0 [Note] Shutting down plugin 'INNODB_SYS_TABLES'
2019-05-15T12:30:25.531194Z 0 [Note] Shutting down plugin 'INNODB_FT_INDEX_TABLE'
2019-05-15T12:30:25.531205Z 0 [Note] Shutting down plugin 'INNODB_FT_INDEX_CACHE'
2019-05-15T12:30:25.531216Z 0 [Note] Shutting down plugin 'INNODB_FT_CONFIG'
2019-05-15T12:30:25.531228Z 0 [Note] Shutting down plugin 'INNODB_FT_BEING_DELETED'
2019-05-15T12:30:25.531239Z 0 [Note] Shutting down plugin 'INNODB_FT_DELETED'
2019-05-15T12:30:25.531250Z 0 [Note] Shutting down plugin 'INNODB_FT_DEFAULT_STOPWORD'
2019-05-15T12:30:25.531262Z 0 [Note] Shutting down plugin 'INNODB_METRICS'
2019-05-15T12:30:25.531273Z 0 [Note] Shutting down plugin 'INNODB_TEMP_TABLE_INFO'
2019-05-15T12:30:25.531284Z 0 [Note] Shutting down plugin 'INNODB_BUFFER_POOL_STATS'
2019-05-15T12:30:25.531296Z 0 [Note] Shutting down plugin 'INNODB_BUFFER_PAGE_LRU'
2019-05-15T12:30:25.531307Z 0 [Note] Shutting down plugin 'INNODB_BUFFER_PAGE'
2019-05-15T12:30:25.531318Z 0 [Note] Shutting down plugin 'INNODB_CMP_PER_INDEX_RESET'
2019-05-15T12:30:25.531330Z 0 [Note] Shutting down plugin 'INNODB_CMP_PER_INDEX'
2019-05-15T12:30:25.531341Z 0 [Note] Shutting down plugin 'INNODB_CMPMEM_RESET'
2019-05-15T12:30:25.531352Z 0 [Note] Shutting down plugin 'INNODB_CMPMEM'
2019-05-15T12:30:25.531364Z 0 [Note] Shutting down plugin 'INNODB_CMP_RESET'
2019-05-15T12:30:25.531375Z 0 [Note] Shutting down plugin 'INNODB_CMP'
2019-05-15T12:30:25.531386Z 0 [Note] Shutting down plugin 'INNODB_LOCK_WAITS'
2019-05-15T12:30:25.531397Z 0 [Note] Shutting down plugin 'INNODB_LOCKS'
2019-05-15T12:30:25.531409Z 0 [Note] Shutting down plugin 'INNODB_TRX'
2019-05-15T12:30:25.531420Z 0 [Note] Shutting down plugin 'InnoDB'
2019-05-15T12:30:25.531522Z 0 [Note] InnoDB: FTS optimize thread exiting.
2019-05-15T12:30:25.531698Z 0 [Note] InnoDB: Starting shutdown...
2019-05-15T12:30:25.631995Z 0 [Note] InnoDB: Dumping buffer pool(s) to /var/lib/mysql/ib_buffer_pool
2019-05-15T12:30:25.632239Z 0 [Note] InnoDB: Buffer pool(s) dump completed at 190515 13:30:25
2019-05-15T12:30:27.138667Z 0 [Note] InnoDB: Shutdown completed; log sequence number 2525225
2019-05-15T12:30:27.139568Z 0 [Note] InnoDB: Removed temporary tablespace data file: "ibtmp1"
2019-05-15T12:30:27.139593Z 0 [Note] Shutting down plugin 'MEMORY'
2019-05-15T12:30:27.139606Z 0 [Note] Shutting down plugin 'CSV'
2019-05-15T12:30:27.139619Z 0 [Note] Shutting down plugin 'sha256_password'
2019-05-15T12:30:27.139631Z 0 [Note] Shutting down plugin 'mysql_native_password'
2019-05-15T12:30:27.139733Z 0 [Note] Shutting down plugin 'binlog'
2019-05-15T12:30:27.140014Z 0 [Note] mysqld: Shutdown complete

2019-05-15T12:30:28.236372Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2019-05-15T12:30:28.237200Z 0 [Note] /usr/sbin/mysqld (mysqld 5.7.26-0ubuntu0.18.04.1) starting as process 30154 ...
2019-05-15T12:30:28.239533Z 0 [Note] InnoDB: PUNCH HOLE support available
2019-05-15T12:30:28.239557Z 0 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2019-05-15T12:30:28.239568Z 0 [Note] InnoDB: Uses event mutexes
2019-05-15T12:30:28.239579Z 0 [Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier
2019-05-15T12:30:28.239604Z 0 [Note] InnoDB: Compressed tables use zlib 1.2.11
2019-05-15T12:30:28.239636Z 0 [Note] InnoDB: Using Linux native AIO
2019-05-15T12:30:28.239869Z 0 [Note] InnoDB: Number of pools: 1
2019-05-15T12:30:28.239949Z 0 [Note] InnoDB: Using CPU crc32 instructions
2019-05-15T12:30:28.240821Z 0 [Note] InnoDB: Initializing buffer pool, total size = 128M, instances = 1, chunk size = 128M
2019-05-15T12:30:28.245155Z 0 [Note] InnoDB: Completed initialization of buffer pool
2019-05-15T12:30:28.246668Z 0 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority().
2019-05-15T12:30:28.257616Z 0 [Note] InnoDB: Highest supported file format is Barracuda.
2019-05-15T12:30:28.265890Z 0 [Note] InnoDB: Creating shared tablespace for temporary tables
2019-05-15T12:30:28.265939Z 0 [Note] InnoDB: Setting file './ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
2019-05-15T12:30:28.287697Z 0 [Note] InnoDB: File './ibtmp1' size is now 12 MB.
2019-05-15T12:30:28.288688Z 0 [Note] InnoDB: 96 redo rollback segment(s) found. 96 redo rollback segment(s) are active.
2019-05-15T12:30:28.288700Z 0 [Note] InnoDB: 32 non-redo rollback segment(s) are active.
2019-05-15T12:30:28.289039Z 0 [Note] InnoDB: Waiting for purge to start
2019-05-15T12:30:28.339259Z 0 [Note] InnoDB: 5.7.26 started; log sequence number 2525225
2019-05-15T12:30:28.339426Z 0 [Note] InnoDB: Loading buffer pool(s) from /var/lib/mysql/ib_buffer_pool
2019-05-15T12:30:28.339647Z 0 [Note] Plugin 'FEDERATED' is disabled.
2019-05-15T12:30:28.340504Z 0 [Note] InnoDB: Buffer pool(s) load completed at 190515 13:30:28
2019-05-15T12:30:28.342314Z 0 [Warning] Failed to set up SSL because of the following SSL library error: SSL context is not usable without certificate and private key
2019-05-15T12:30:28.342339Z 0 [Note] Server hostname (bind-address): '127.0.0.1'; port: 3306
2019-05-15T12:30:28.342352Z 0 [Note]   - '127.0.0.1' resolves to '127.0.0.1';
2019-05-15T12:30:28.342376Z 0 [Note] Server socket created on IP: '127.0.0.1'.
2019-05-15T12:30:28.348457Z 0 [Note] Event Scheduler: Loaded 0 events
2019-05-15T12:30:28.348726Z 0 [Note] /usr/sbin/mysqld: ready for connections.
Version: '5.7.26-0ubuntu0.18.04.1'  socket: '/var/run/mysqld/mysqld.sock'  port: 3306  (Ubuntu)