### Cause: com.mysql.cj.jdbc.exceptions.PacketTooBigException: Packet for query is too large (14,209,738 > 4,194,304). You can change this value on the server by setting the 'max_allowed_packet' variable. ; Packet for query is too large (14,209,738 > 4,194,304). You can change this value on the server by setting the 'max_allowed_packet' variable.; nested exception is com.mysql.cj.jdbc.exceptions..