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Error 500 for some Ajax requests on server


Error 500 for some Ajax requests on server

By : user2172831
Date : October 22 2020, 08:10 PM
I hope this helps . It was a problem of my controller(laravel). Some routes did not work with all controllers. I have no idea why, but if a put the function of the request to another controller it works.
code :


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Internal Server Error - 500 while making simultaneous AJAX requests in ASP.NET MVC4

Internal Server Error - 500 while making simultaneous AJAX requests in ASP.NET MVC4


By : user6537053
Date : March 29 2020, 07:55 AM
hope this fix your issue a lot everyone for putting efforts. I got the solution. i was in the impression that I've set the command timeout for infinite by using the statement below but actually I was wrong:
code :
cmd.CommandTimeout = 0;
cmd.CommandTimeout = 600;
Laravel 5 randomly send 500 Internal Server Error on ajax requests

Laravel 5 randomly send 500 Internal Server Error on ajax requests


By : Joao Silva
Date : March 29 2020, 07:55 AM
should help you out Random Ajax request errors are mostly throwed by config issues. Check your laravel log in storage -> logs -> laravel.log for what is causing the issue.
You can cache your configs by running below artisan command. It will get rid of that random error popup.
code :
php artisan config:cache
Crossdomian ajax requests to server returned json object shows error Unexpected token :

Crossdomian ajax requests to server returned json object shows error Unexpected token :


By : Ahmed-Franz Hassan
Date : March 29 2020, 07:55 AM
Does that help The simplest way to do this is just use res.jsonp() rather than setting your own headers etc:
code :
app.get('/test', function (req, res) {
   console.log(req.query);
   res.jsonp({message: 'hello'});
});
app.set('jsonp callback name', 'cb');
how can we identify which ajax failed with multiple ajax requests once all the requests are completed?

how can we identify which ajax failed with multiple ajax requests once all the requests are completed?


By : Thomas Balshi
Date : March 29 2020, 07:55 AM
will be helpful for those in need The answer is exactly the same as solution mentioned here.
code :
var d1 = $.Deferred();
var d2 = $.Deferred();

var j1 = $.getJSON(...).complete(d1.resolve);
var j2 = $.getJSON(...).complete(d2.resolve);

$.when(d1,d2).done(function() {
     // will fire when j1 AND j2 are both resolved OR rejected
     // check j1.isResolved() and j2.isResolved() to find which failed
});
Cross-origin requests AJAX requests to AWS S3 sometimes result in CORS error

Cross-origin requests AJAX requests to AWS S3 sometimes result in CORS error


By : Jakob Wanner
Date : March 29 2020, 07:55 AM
seems to work fine OP here.
I was looking at successful and unsuccessful requests in Chrome dev tools. I found that unsuccessful requests have Status code of: 200 OK (from disk cache) when successful requests have Status code of: 200 OK
code :
const response = await fetch(url, {
    method: 'GET',
    mode: 'cors',
    cache: 'no-cache',
    headers: {
        Origin: window.location.origin,
    },
});
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