Error parsing request header ajax

ajax( { type: " POST", url: siteRoot + " api/ SpaceGame/ AddPlayer", async: false, data: JSON. stringify( { Name: playersShip. the dataType parameter in jQuery is only used to parse the returned response body. I found the solution for this problem here. Here, " application/ json" is not a valid value for the dataType property. I changed it to " json" in my project and the same problem was solved. Please check details here ( comment # 7) : jquery. com/ ticket/ 8216. For an error message with a non- HTTP status code, the content will not be parsed by jQuery. If you' d really like not to parse the returned result to JSON yourself, you would have to return a HTTP status 200 and use the.

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  • Video:Error ajax request

    Header parsing request

    Uncaught SyntaxError: Unexpected token < in JSON. JSONではありえない位置に < という文字が入っているというエラーで、 要するに JSON. parse( ) に渡した文字列が 正しいJSONではありません。 < ということから察するに、 APIの. なので、 Javascript側ではajaxの設定を下記のようにする。. Python側では念の為に ヘッダーのチェックを行う。. ' application/ json' : print( request. headers[ ' Content- Type ' ] ) return flask. jsonify( res= ' error' ), 400 print request. This problem is usually because your request received the wrong mime type. When developing on your own computer, sometimes you are not receiving the proper mime type from the " server", which is your own computer. This answer is only relevant to a bug with jQuery 1. 5 when using the file: protocol. I had a similar problem.

    where as the actual ajax response is not a valid JSON and as a result the JSON parser is throwing an error. You have bug in javascript, your Ajax POST request is formatted badly as you are not stringifying the data data: JSON. stringify( " { " email" : " nikhil. Instead adding header manually you could use. HTTPリクエストをjQueryに頼っていた僕ですが、. ajaxコードを確認してみま しょう。. com/ api/ action", data: queries, dataType: " json", success: function ( response, status, xhr) { / / 成功 }, error: function ( XMLHttpRequest, textStatus, errorThrown) { / / 失敗 } } ) ;. let queryString = { parse: ( text = location. substr( 1), isDecode = false) = > { const decode = ( isDecode )? That is, if the request is a failure then the response is not parsed as per the expected dataType.

    However in earlier versions you should parse the response text separately when error status is returned: $.