无法调试无效的大型JSON数组

Question

我有一个大型JSON文件的数组对象 - 7510行。

我正在尝试使用json lint pro找出文件无效的位置。我一直在下面的图片中得到错误，但我找不到问题所在：

这是我文件末尾的最后3个对象，在第7509行结束 - 这是json lint看来引用的。我在这里看不到任何明显的东西，但我已经看了很长时间了！：

[...
        {
          "id": "111707",
          "name": "Seven Park Place by William Drabble",
          "phone": "+442073161600",
          "email": "restaurant@stjameshotelandclub.com",
          "website": "http://www.stjameshotelandclub.com/michelin-star-chef-william-drabble",
          "location": {
            "latitude": 51.5062548,
            "longitude": -0.1403209,
            "address": {
              "line1": "7-8 Park Place",
              "line2": "St James's",
              "line3": "",
              "postcode": "SW1A 1LP",
              "city": "London",
              "country": "UK"
            }
          }
        },
        {
          "id": "104493",
          "name": "Seymour's Restaurant & Bar",
          "phone": "+442079352010",
          "email": "reservations@theleonard.com",
          "website": "http://www.theleonard.com",
          "location": {
            "latitude": 51.51463,
            "longitude": -0.15779,
            "address": {
              "line1": "15 Seymour Street",
              "line2": "",
              "line3": "",
              "postcode": "W1H 7JW",
              "city": "London",
              "country": "UK"
            }
          }
        },
        {
          "id": "250922",
          "name": "Shaka Zulu",
          "phone": "+442033769911",
          "email": "info@shaka-zulu.com",
          "website": "http://www.shaka-zulu.com/",
          "location": {
            "latitude": 51.5414979,
            "longitude": -0.1458655,
            "address": {
              "line1": "Stables Market ",
              "line2": "Camden",
              "line3": "",
              "postcode": "NW1 8AB",
              "city": "London",
              "country": "UK"
            }
          }
        }
    ]

当我在终端中运行文件时（只是为了得到多少个对象的长度），我得到了这个“意外令牌”错误：

.rbenv/versions/2.1.4/lib/ruby/gems/2.1.0/gems/json-1.8.3/lib/json/common.rb:155:in `parse': 399: unexpected token at '' (JSON::ParserError)
    from /Users/dan14/.rbenv/versions/2.1.4/lib/ruby/gems/2.1.0/gems/json-1.8.3/lib/json/common.rb:155:in `parse'
    from length.rb:3:in `<main>'