Cannot read large data size $.ajax from.net controller

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.NET4.6

I faced issue with reading large data using ajax request: from javascript to C#.

Notes :

1- I have set to maxRequestLength="52428800" and maxAllowedContentLength="52428800"

2- The request worked successfully for normal data.

And I still get: 500 (Internal Server Error) for large data case. And every thing is okay for small or normal data size.

What I have tried:

1- I have set to maxRequestLength="52428800" and maxAllowedContentLength="52428800"

2- The request worked successfully for normal data.

Posted 27-Nov-18 23:50pm

Ameer Salah

Updated 29-Nov-18 0:08am

v2

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F-ES Sitecore 28-Nov-18 6:00am

What happens when you try? Is it a timeout, an overflow, an error? Does your controller code get called ok and go to the end? Do you get errors in the browser console? Have you looked at the call in the network tab of the browser tools?

Ameer Salah 28-Nov-18 6:10am

And I still get: 500 (Internal Server Error) for large data case. And everything is okay for small or normal data size.

F-ES Sitecore 28-Nov-18 6:15am

That means your server code is probably throwing an error. If you look at the response to the call in the network tab of the browser tools it often has more information about the error (assuming you have friendly errors disabled). Also debug the server call to see what is happening there.

Ameer Salah 28-Nov-18 6:21am

okay but this just happens for big requests.

MadMyche 28-Nov-18 7:04am

How big is the actual file? How long does it take to throw the error? What is being logged in the w3 service log? Do you really need AspNet to be able to accept a 50GB upload?

F-ES Sitecore 28-Nov-18 7:13am

Then something is failing and you need to use the diagnostic tools available to you to try and find out what.

Ameer Salah 29-Nov-18 6:36am

guys, the file is just 4mb but when divide it's info on json array will produce large json, also the request take 40.1sec when using postman.

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Dave Kreskowiak · Answer 1 · 2018-11-28T02:27:00

500 errors mean your server-side code crashed or otherwise threw an error. Unless YOU go through some diagnostic steps on your own code and supply additional information in your question, NOBODY can tell you what's going wrong with what you've posted in your question.

We only get to work with what you put in the question, and you've supplied no usable information in your question at all.

You're going to have to run your code under the debugger and/or add logging to the code to show it's progress to a file or database.

Have you looked in the servers Application Event Log? Have you checked the IIS logs for any messages related to the crash?

Abdelrahman Ismaeel Hegazy · Answer 2 · 2018-11-29T00:08:00

Solution 2

try anther internet connection without any domain Administration

Posted 29-Nov-18 0:08am

Abdelrahman Ismaeel Hegazy

Comments

Dave Kreskowiak 29-Nov-18 8:38am

Are you kidding? How does that affect errors in the code running on the server?

HTTP 500 errors are always code or configuration related on the server.

Ameer Salah 12-Dec-18 8:06am

ajax:
function saveTheResult() {
checkAndCompareEditorToArrayVal();

var contentValue = editor.getValue().replace(/<no src line>/g, '\n');;
var uri = '../../../ThreeWayMerge/SaveTheResult';
$.ajax({
type: "POST",
url: uri,
processData: false,
contentType: 'application/json',
data: JSON.stringify({
'mergeSessionId': window.mergeSessionId,
'fileId': window.fileId,
'content': contentValue,
'savedResult': JSON.stringify(KdiffResult),
}),
success: function (data) {
if (data.status_code == 200) {
window.location.href = absolute("/merge_sessions/" + window.mergeSessionId);
initEditors(true);
}
}
}).fail(function () {
showStatusModal('Something went wrong', 'An unexpected error has occurred. Please try again later. Contact support if the error persists.');
});
}

Controller:
[HttpPost]
public async System.Threading.Tasks.Task<actionresult> SaveTheResult(string fileID, string mergeSessionId, string content, string savedResult)
{
var client = new HttpClient();
TempData["downloadable"] = "no";
// Validate Merge conflict server side
var response = new Dictionary<string, string>();
if (content.Contains("<Merge conflict>"))
{
response.Add("msg", "Please Resolve Conflicts before");
response.Add("code", "500");
return Json(response, JsonRequestBehavior.AllowGet);
}
var values = new Dictionary<string, string>
{
{ "content", content},
{ "diff_final_result", savedResult},
};
var SaveResutInfo = await requestHelper.DoPostRequest(string.Format(BEServerUrls.SaveFileContentUrl, mergeSessionId, fileID), values);
TempData["downloadable"] = "yes";
return Json(SaveResutInfo, JsonRequestBehavior.AllowGet);
}