今天碰到一个特别郁闷的问题，启动mysql数据库时报错：[ERROR] Found option without preceding group in config file /etc/my.cnf at line 1!经过查询资料，说的都是：
原因：my.ini文件格式是utf-8
解决办法，my.ini文件保存为ANSI格式文件
但是我的改了也没有用处，后来才发现,不知道什么时候，我删除了一个#：
For advice on how to change settings please see
# http://dev.mysql.com/doc/refman/5.7/en/server-configuration-defaults.html
[mysqld]
#
# Remove leading # and set to the amount of RAM for the most important data
# cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.
# innodb_buffer_pool_size = 128M
#
# Remove leading # to turn on a very important data integrity option: logging
# changes to the binary log between backups.
# log_bin
#
# Remove leading # to set options mainly useful for reporting servers.
# The server defaults are faster for transactions and fast SELECTs.
# Adjust sizes as needed, experiment to find the optimal values.
# join_buffer_size = 128M
# sort_buffer_size = 2M
# read_rnd_buffer_size = 2M
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
bind-address=192.168.1.229
log_bin=mysql-bin
log_slave_updates=1
gtid-mode=ON #开启GTID
enforce-gtid-consistency
"/etc/my.cnf" 35L, 1143C
错误详情如下：
[root@service1 ~]# service mysqld start
my_print_defaults: [ERROR] Found option without preceding group in config file /etc/my.cnf at line 1!
my_print_defaults: [ERROR] Fatal error in defaults handling. Program aborted!
my_print_defaults: [ERROR] Found option without preceding group in config file /etc/my.cnf at line 1!
my_print_defaults: [ERROR] Fatal error in defaults handling. Program aborted!
my_print_defaults: [ERROR] Found option without preceding group in config file /etc/my.cnf at line 1!
my_print_defaults: [ERROR] Fatal error in defaults handling. Program aborted!
my_print_defaults: [ERROR] Found option without preceding group in config file /etc/my.cnf at line 1!
my_print_defaults: [ERROR] Fatal error in defaults handling. Program aborted!
my_print_defaults: [ERROR] Found option without preceding group in config file /etc/my.cnf at line 1!
my_print_defaults: [ERROR] Fatal error in defaults handling. Program aborted!
my_print_defaults: [ERROR] Found option without preceding group in config file /etc/my.cnf at line 1!
my_print_defaults: [ERROR] Fatal error in defaults handling. Program aborted!
Logging to '/var/lib/mysql/service1.err'.
MySQL Daemon failed to start.
正在启动 mysqld： [失败]