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Ruby on Rails - JSON parse error unexpected token


Ruby on Rails - JSON parse error unexpected token

By : Mickey Wallker
Date : December 05 2020, 12:22 PM
this will help I read json file after load it into json but i got error JSON::ParserError unexpected token at, i couldn't json parse.Below i mentioned what i got output after file read , This is not valid in json =>. JSON looks like
code :
{ "rename": [{ "from": "TTTC" }] }


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Ruby on Rails JSON.parse unexpected token error

Ruby on Rails JSON.parse unexpected token error


By : Daniele Spera
Date : March 29 2020, 07:55 AM
Any of those help Well, we can only answer based on the part of the JSON you showed us, but it has two problems:
All the quote characters (") are escaped; they don't need to be unless they are used in a double-qoted string, which it appears they are not. You are missing a closing brace (}).
Ruby json parse error: unexpected token

Ruby json parse error: unexpected token


By : Jelnet
Date : March 29 2020, 07:55 AM
To fix this issue You tried to parse the filename as JSON, which won't work.
Instead, you need to read the file first:
code :
parse = JSON.parse(File.read(f))
Ruby JSON.parse gives unexpected token error

Ruby JSON.parse gives unexpected token error


By : user2655200
Date : March 29 2020, 07:55 AM
I wish this help you params[:username] contains string (me@example.com) which is not a valid JSON. You don't need to call JSON.parse on this.
Why does Ruby 2.3.0 JSON.parse give unexpected token error?

Why does Ruby 2.3.0 JSON.parse give unexpected token error?


By : CSharper
Date : March 29 2020, 07:55 AM
This might help you There seems to be an issue with having a comma after the last object in your array:
code :
\"createdAt\": \"2014-10-22T03:00:00.407Z\"\n    },\n  ],\n  \"count\": 2\n}\n"
                                                  ^ This comma
JSON.parse("{\n  \"notices\": [\n    {\n      \"id\": \"1234\",\n      \"projectId\": 1,\n      \"groupId\": \"55\",\n      \"createdAt\": \"2014-10-22T03:00:00.407Z\"\n    },\n    {\n      \"id\": \"1234\",\n      \"projectId\": 1,\n      \"groupId\": \"55\",\n      \"createdAt\": \"2014-10-22T03:00:00.407Z\"\n    }  ],\n  \"count\": 2\n}\n")
=> {"notices"=>[{"id"=>"1234", "projectId"=>1, "groupId"=>"55", "createdAt"=>"2014-10-22T03:00:00.407Z"}, {"id"=>"1234", "projectId"=>1, "groupId"=>"55", "createdAt"=>"2014-10-22T03:00:00.407Z"}], "count"=>2}
Ruby on Rails JSON.parse "unexpected token" error

Ruby on Rails JSON.parse "unexpected token" error


By : Rajeswari Dadiboyina
Date : March 29 2020, 07:55 AM
I hope this helps you . Looks like error response is not returned as JSON. You could do something like:
code :
def reviews
  JSON.parse(reviews_json)['Reviews']
rescue JSON::ParserError
  []
end
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