连接远程mysql数据库失败提示: 数据接口请求异常:error

微服务前端平台访问前端接口时提示如下的错误提示:

解决办法

1:mysql库授权	# mysql -uroot -p Enter password: Welcome to the MariaDB monitor.  Commands end with ; or \g. Your MariaDB connection id is 57 Server version: 5.5.65-MariaDB MariaDB Server   Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.   Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.   MariaDB [(none)]> show databases; +--------------------+ | Database           | +--------------------+ | information_schema | | mysql              | | performance_schema | | tb_order           | | tb_product         | | tb_stock           | +--------------------+ 6 rows in set (0.00 sec)   MariaDB [(none)]> use mysql; Reading table information for completion of table and column names You can turn off this feature to get a quicker startup with -A   Database changed MariaDB [mysql]> show tables; +---------------------------+ | Tables_in_mysql           | +---------------------------+ | columns_priv              | | db                        | | event                     | | func                      | | general_log               | | help_category             | | help_keyword              | | help_relation             | | help_topic                | | host                      | | ndb_binlog_index          | | plugin                    | | proc                      | | procs_priv                | | proxies_priv              | | servers                   | | slow_log                  | | tables_priv               | | time_zone                 | | time_zone_leap_second     | | time_zone_name            | | time_zone_transition      | | time_zone_transition_type | | user                      | +---------------------------+ 24 rows in set (0.00 sec)   MariaDB [mysql]> GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '123456@abc' WITH GRANT OPTION; Query OK, 0 rows affected (0.03 sec)   MariaDB [mysql]> flush privileges; Query OK, 0 rows affected (0.00 sec)   MariaDB [mysql]>
检查3306端口网络开启状态	# # ss -tlnp|grep 3306 LISTEN     0      50           *:3306                     *:*                   users:(("mysqld",pid=14449,fd=14)) #
iptables 防火墙授权	# iptables -A INPUT -p tcp -m tcp --dport 3306 -j ACCEPT # # iptables -L -n Chain INPUT (policy ACCEPT) target     prot opt source               destination         KUBE-FIREWALL  all  --  0.0.0.0/0            0.0.0.0/0           KUBE-SERVICES  all  --  0.0.0.0/0            0.0.0.0/0            ctstate NEW /* kubernetes service portals */ KUBE-EXTERNAL-SERVICES  all  --  0.0.0.0/0            0.0.0.0/0            ctstate NEW /* kubernetes externally-visible service portals */ ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0            tcp dpt:3306
数据库添加权限	# mysql -u root -p Enter password: Welcome to the MariaDB monitor.  Commands end with ; or \g. Your MariaDB connection id is 88 Server version: 5.5.65-MariaDB MariaDB Server   Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.   Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.   MariaDB [(none)]> grant all privileges on *.* to 'root'@'%' identified by 'jisibi9894008' with grant option; Query OK, 0 rows affected (0.00 sec)   MariaDB [(none)]> flush privileges; Query OK, 0 rows affected (0.00 sec)   MariaDB [(none)]> MariaDB [(none)]>
重新访问微服务组件	调用数据库正常！