spring data jpa utf-8 encoding not working

Question

I use spring-data-jpa and mysql database. My tables character set is utf-8. Also I added ?useUnicode=yes&characterEncoding=utf8

Answer 1

In my case that's solve my issue https://mathiasbynens.be/notes/mysql-utf8mb4

[client]
default-character-set = utf8mb4

[mysql]
default-character-set = utf8mb4

[mysqld]
character-set-client-handshake = FALSE
character-set-server = utf8mb4
collation-server = utf8mb4_unicode_ci