Am 13.11.2015 um 17:12 schrieb jim Zhou:
I did "yum install myswl-community-server" and "service mysqld start" I got the error Initializing MySQL database: 2015-11-13T15:54:01.203931Z 0 [Warning] Changed limits: max_open_files: 1024 (requested 5000) 2015-11-13T15:54:01.204205Z 0 [Warning] Changed limits: table_open_cache: 431 (requested 2000) 2015-11-13T15:54:01.204397Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details). 2015-11-13T15:54:01.207712Z 0 [ERROR] --initialize specified but the data directory has files in it. Aborting. 2015-11-13T15:54:01.207751Z 0 [ERROR] Aborting
this is most likely because the socket file lives by default in "/var/lib/mysql" and maybe created too soon for the task
write a bugreport and in the meantime temporary configure mysqld with the socket file somewhere else like /tmp, make sure with "ls -lha /var/lib/mysql" that the directory is really empty
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