Cafe24의 JAVA 호스팅 받는 경우이모지를 오류 없이 넣는 방법

[YOUR_CAFE24_ACCOUNT@umj64-007 ~]$ mysql -u YOUR_CAFE24_ACCOUNT -p
Enter password:
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 819210688
Server version: 5.5.17-log MySQL Community Server (GPL)

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Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> SHOW VARIABLES LIKE 'character_set%';
+--------------------------+----------------------------------+
| Variable_name            | Value                            |
+--------------------------+----------------------------------+
| character_set_client     | binary                           |
| character_set_connection | binary                           |
| character_set_database   | utf8                             |
| character_set_filesystem | binary                           |
| character_set_results    | binary                           |
| character_set_server     | utf8                             |
| character_set_system     | utf8                             |
| character_sets_dir       | /usr/local/mysql/share/charsets/ |
+--------------------------+----------------------------------+
8 rows in set (0.00 sec)

mysql> SHOW VARIABLES LIKE 'collation%';
+----------------------+-----------------+
| Variable_name        | Value           |
+----------------------+-----------------+
| collation_connection | binary          |
| collation_database   | utf8_general_ci |
| collation_server     | utf8_general_ci |
+----------------------+-----------------+
3 rows in set (0.00 sec)

mysql> ALTER DATABASE YOUR_CAFE24_ACCOUNT
    ->     CHARACTER SET utf8mb4
    ->     COLLATE utf8mb4_unicode_ci;
Query OK, 1 row affected (0.00 sec)

mysql> use YOUR_CAFE24_DB_NAME
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
mysql> select count(*) from bbs_board;
+----------+
| count(*) |
+----------+
|     1254 |
+----------+
1 row in set (0.00 sec)

mysql> ALTER TABLE bbs_board
    ->     CONVERT TO CHARACTER SET utf8mb4
    ->     COLLATE utf8mb4_unicode_ci;
Query OK, 1254 rows affected (0.14 sec)
Records: 1254  Duplicates: 0  Warnings: 0

mysql> ALTER TABLE bbs_board ROW_FORMAT=DYNAMIC;
Query OK, 1254 rows affected (0.04 sec)
Records: 1254  Duplicates: 0  Warnings: 0

mysql> SHOW VARIABLES LIKE 'character_set_database';
+------------------------+---------+
| Variable_name          | Value   |
+------------------------+---------+
| character_set_database | utf8mb4 |
+------------------------+---------+
1 row in set (0.00 sec)

5) JDBC 연결 설정도 확인

Spring Boot 또는 Spring JDBC 사용 시
url 에 반드시 useUnicode=true&characterEncoding=utf8mb4 포함.

application.properties / yml 예:

spring.datasource.url=jdbc:mysql://localhost:3306/yourdb?useUnicode=true&characterEncoding=utf8mb4&serverTimezone=Asia/Seoul

또는

spring: datasource: url: jdbc:mysql://localhost:3306/yourdb?useUnicode=true&characterEncoding=utf8mb4&serverTimezone=Asia/Seoul