SET GLOBAL mysqlx_connect_timeout = 300; SET GLOBAL mysqlx_wait_timeout = 300; Sending 4 bytes raw data... Mysqlx.Error { severity: FATAL code: 5000 msg: "Messages without payload are not supported" sql_state: "HY000" } ok Sending 4 bytes raw data... Mysqlx.Error { severity: FATAL code: 5000 msg: "Messages without payload are not supported" sql_state: "HY000" } ok Verify ['Mysqlx_sessions_fatal_error' session variable should be have 2 as value] Mysqlx.Ok { msg: "bye!" } ok SET GLOBAL mysqlx_connect_timeout= DEFAULT; SET GLOBAL mysqlx_wait_timeout = DEFAULT;