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"code":"request_size_mismatch","message":"Request body size didn't match Content-Length 60"

  • May 22, 2025
  • 1 reply
  • 37 views
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when I try to create upload file session from salesforce org it show error 400

{"code":"request_size_mismatch","message":"Request body size didn't match Content-Length 60","request_id":"ac4834ae2bf00d1d2bd942dd4e389950"}

 

below is code -

String jsonBody = '{\"folder_id\": \"0\",\"file_size\": 104857600,\"file_name\": \"Project.mov\"}';
        String url = 'https://upload.box.com/api/2.0/files/upload_sessions';
        Http p1 = new Http();
        HttpRequest request1 = new HttpRequest();
        request1.setEndpoint(url);
        request1.setMethod('POST');
        request1.setHeader('Contect-type','application/json');
        request1.setHeader('Content-Length',  String.valueOf(jsonBody.length()));
        request1.setHeader('Authorization','Bearer '+boxData.Access_Token__c);
        request1.setBody(jsonBody);
        System.debug('=====AccessT=='+boxData.Access_Token__c);
        HttpResponse response1 = p1.send(request1);
        

 

please have a look as soon as possible

    1 reply

    C
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    Hi Sandip

    I think you get the error message because you are including the 'Content-length' header in your request and it doesn't match the size. You shouldn't have to include this header. See https://developer.box.com/reference/post-files-upload-sessions for required headers and request body. Try to remove it and see if that solves your problem

    Rgds,

    Peter Christensen, Platform Solutions Engineer, Box

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