Add &characterEncoding=utf8 to the url in the data source (mysql) configuration. The specific url can be found in value="jdbc:mysql://127.0.0.1:3306/material?useUnicode=true&characterEncoding=utf8&autoReconnect=true". Ensure that requests and responses, page and database layer operations maintain UTF-8 encoding
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Add &characterEncoding=utf8 to the url in the data source (mysql) configuration. The specific url can be found in value="jdbc:mysql://127.0.0.1:3306/material?useUnicode=true&characterEncoding=utf8&autoReconnect=true". Ensure that requests and responses, page and database layer operations maintain UTF-8 encoding
Are the database schema and table encoding format not set?