JSON data type not supported

[namabile]

Inserting data into a column with the MySQL JSON data type breaks the replication stream.

mysql> create table json_test (id int, value json);
mysql> insert into json_test (id, value) values (1, '{"my_key": "my_val"}');
Query OK, 1 row affected (0.01 sec)

Stack trace:

Traceback (most recent call last):
  File "/src/main.py", line 89, in <module>
    main()
  File "/src/main.py", line 72, in main
    for row in binlogevent.rows:
  File "/usr/lib/python2.7/site-packages/pymysqlreplication/row_event.py", line 416, in rows
    self._fetch_rows()
  File "/usr/lib/python2.7/site-packages/pymysqlreplication/row_event.py", line 411, in _fetch_rows
    self.__rows.append(self._fetch_one_row())
  File "/usr/lib/python2.7/site-packages/pymysqlreplication/row_event.py", line 464, in _fetch_one_row
    row["values"] = self._read_column_data(self.columns_present_bitmap)
  File "/usr/lib/python2.7/site-packages/pymysqlreplication/row_event.py", line 172, in _read_column_data
    (column.type))
NotImplementedError: Unknown MySQL column type: 245

my.cnf using MySQL 5.7 docker image d9124e6c552f:

[mysqld]
server-id        = 12345
log_bin          = /var/log/mysql/mysql-bin.log
expire_logs_days = 10
max_binlog_size  = 100M
binlog-format    = row
gtid_mode=ON
log-slave_updates=true
enforce_gtid_consistency