Need better error messages for invalid connector config about confluent-cli HOT 2 OPEN

{
  "name": "my-jdbc-connector",
  "config": {
    "connector.class": "io.confluent.connect.jdbc.JdbcSourceConnector",
    "tasks.max": "1",
    "connection.url": "jdbc:sqlserver://xxx/xxx",
    "connection.user": "xxx",
    "connection.password": "xxx",
    "mode": "incrementing",
    "incrementing.column.name": "id",
    "topic.prefix": "jdbc-",
    "name": "my-jdbc-connector",
    "table.whitelist": "dbo.xxx",
  }
}

$ confluent load my-jdbc-connector -d my-config.json
[...]
Missing 'name' property from connectors properties file.

Missing 'name' property from connectors properties file.

{
  "name": "jdbc_source_mysql_foo_01",
  "config": {
  "_comment": "
  ",
  "connector.class": "io.confluent.connect.jdbc.JdbcSourceConnector",
  "_comment": "",
  "key.converter": "io.confluent.connect.avro.AvroConverter",
  "_comment": "",
  "key.converter.schema.registry.url": "http://localhost:8081",
  "_comment": "",
  "value.converter": "io.confluent.connect.avro.AvroConverter",
  "_comment": "",
  "value.converter.schema.registry.url": "http://localhost:8081",
  "_comment": "",
  "connection.url": "jdbc:mysql://localhost:3306/demo?user=rmoff&password=pw",
  "_comment": "",
  "table.whitelist": "foo",
  "_comment": "",
  "mode": "incrementing",
  "_comment": "",
  "validate.non.null": "false",
  "_comment": "",
  "incrementing.column.name": "c1",
  "_comment": "",
  "topic.prefix": "mysql2-"
  }
}