Insert emoji does not work with spring-boot and MariaDB

Question

I would like to insert emoji like

Answer 1

spring-boot 2.0.0.RC2

mysql 5.7.14

    
        mysql
        mysql-connector-java
    
    
        org.springframework.boot
        spring-boot-starter-data-jpa
    


Caused by: java.sql.SQLException: Incorrect string value: '\xF0\x9F\x98\xAD' for column 'title' at row 1
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:965)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3973)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3909)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2527)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2680)
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2484)
at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1858)
at com.mysql.jdbc.PreparedStatement.executeUpdateInternal(PreparedStatement.java:2079)
at com.mysql.jdbc.PreparedStatement.executeUpdateInternal(PreparedStatement.java:2013)
at com.mysql.jdbc.PreparedStatement.executeLargeUpdate(PreparedStatement.java:5104)
at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1998)
at com.zaxxer.hikari.pool.ProxyPreparedStatement.executeUpdate(ProxyPreparedStatement.java:61)
at com.zaxxer.hikari.pool.HikariProxyPreparedStatement.executeUpdate(HikariProxyPreparedStatement.java)
at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.executeUpdate(ResultSetReturnImpl.java:175)
... 68 more

spring.datasource.connectionInitSql is not work for me

i see hikari.pool

then try

spring.datasource.hikari.connectionInitSql=SET NAMES utf8mb4 COLLATE utf8mb4_unicode_ci;

it works so do

spring.datasource.hikari.connection-init-sql=SET NAMES utf8mb4 COLLATE utf8mb4_unicode_ci;

ref https://github.com/brettwooldridge/HikariCP#configuration-knobs-baby