MySQL doesn't support some types of characters (such as emojis) with the utf8 encoding. You need to be on MySQL 5.5+ and force utf8mb4 (everywhere, client and server). You can do this sending the query "SET NAMES utf8mb4". Check this https://goo.gl/3E2qzg
You have a different solution? A short tip here would help you and many other users who saw this issue last week.
- java.sql.SQLException: View 'gitbucket.issue_outline_view' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:963) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3966) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3902) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2526)