How to map a map JSON column to Java Object with JPA

Question

We have a big table with a lot of columns. After we moved to MySQL Cluster, the table cannot be created because of:

ERROR 1118 (42000): Row size too l

Answer 1

It is simple

@Column(name = "json_input", columnDefinition = "json")
private String field;

and in mysql database your column 'json_input' json type