ajaxSubmit not working in IE jQuery Form plugin - ajax

I am using jQuery form plugin to upload images in my MVC project.
For some reason the Code in IE no longer working (worked before):
I can tell the submit is successful, image is successful uploaded, and recoded in database, however the response seems somehow corrupted in IE.
function showResponse(responseText, statusText, xhr, $form) {
$("#loading").hide();
AddImage(responseText.ImageId);
buildArray();
}
I tested on Firefox, Chrome, Safari, it all working fine, however when i use it in IE.
I got error:
Message: 'ImageId' is null or not an
object
Anyone have had any similar problem before?
Thanks in advance!

Well the problem solved by changing the content type from "text/plain" to "text/html", that's it.
OMFG, Internet Explore!
Code I have changed:
return Json(newImage, "text/html", Encoding.Unicode, JsonRequestBehavior.AllowGet);
hope that would help someone else as well.

As said in the documentation about File Uploads:
It is important to note that even when the dataType option is set to 'script', and the server is actually responding with some javascript to a multipart form submission, the response's Content-Type header should be forced to text/html, otherwise Internet Explorer will prompt the user to download a "file".
I don't know it worked before, but the documentation is clear about this concern.

Related

Fine Uploader Response Error OnComplete In IE 10

Manual Uploader Working Fine with All Browser expect IE 10, i am not getting correct Response From the Server it is Showing on onComplete "No Valid message Received from Loaded iframe For i frame Name 1_97604 cec......".
File are uploading into the cloudbees server but not getting correct Response From the server.
In case of Other browser i am getting Response.success = true, but For IE 10 its undefined, how to handle this error. Please help me Out for this.
Regards
Yogesh
You aren't using IE10 if that is the message you are seeing. Most likely, you are using IE9 or older. The message you are seeing is logged by the form uploader, which is never used if you are uploading via IE10. Perhaps you are running IE10 in IE9 or IE8 mode. Either way, the message indicates that you are working in a cross-origin environment (you have set the cors.expected option to true) but are not returning the proper response from your server. Note that older browsers, such as IE9 and older, utilize form submits, targeting an iframe, to upload files. In order to access the contents of that cross-origin iframe, the iframe needs to post a message containing the server response to Fine Uploader's window. This is all very easy to do, all you need to do is return a text/html response from your server that looks something like this:
"{\"success\": true, \"uuid\": \"9da17ad5-ad6a-40cd-81b5-226e837db45b\"}<script src=\"http://<YOUR_SERVER_DOMAIN>/iframe.xss.response-<VERSION>.js</script>.js\"></script>"
The javascript file mentioned in the script tag is provided in the Fine Uploader released zip file. It does all of the work for you. You must return a JSON response before the script tag, as illustrated above, and the response must include the UUID of the associated file.
You should read about cross-origin support either in the associated blog post.

What does status=canceled for a resource mean in Chrome Developer Tools?

What would cause a page to be canceled? I have a screenshot of the Chrome Developer Tools.
This happens often but not every time. It seems like once some other resources are cached, a page refresh will load the LeftPane.aspx. And what's really odd is this only happens in Google Chrome, not Internet Explorer 8. Any ideas why Chrome would cancel a request?
We fought a similar problem where Chrome was canceling requests to load things within frames or iframes, but only intermittently and it seemed dependent on the computer and/or the speed of the internet connection.
This information is a few months out of date, but I built Chromium from scratch, dug through the source to find all the places where requests could get cancelled, and slapped breakpoints on all of them to debug. From memory, the only places where Chrome will cancel a request:
The DOM element that caused the request to be made got deleted (i.e. an IMG is being loaded, but before the load happened, you deleted the IMG node)
You did something that made loading the data unnecessary. (i.e. you started loading a iframe, then changed the src or overwrite the contents)
There are lots of requests going to the same server, and a network problem on earlier requests showed that subsequent requests weren't going to work (DNS lookup error, earlier (same) request resulted e.g. HTTP 400 error code, etc)
In our case we finally traced it down to one frame trying to append HTML to another frame, that sometimes happened before the destination frame even loaded. Once you touch the contents of an iframe, it can no longer load the resource into it (how would it know where to put it?) so it cancels the request.
status=canceled may happen also on ajax requests on JavaScript events:
<script>
$("#call_ajax").on("click", function(event){
$.ajax({
...
});
});
</script>
<button id="call_ajax">call</button>
The event successfully sends the request, but is is canceled then (but processed by the server). The reason is, the elements submit forms on click events, no matter if you make any ajax requests on the same click event.
To prevent request from being cancelled, JavaScript event.preventDefault(); have to be called:
<script>
$("#call_ajax").on("click", function(event){
event.preventDefault();
$.ajax({
...
});
});
</script>
NB: Make sure you don't have any wrapping form elements.
I had a similar issue where my button with onclick={} was wrapped in a form element. When clicking the button the form is also submitted, and that messed it all up...
Another thing to look out for could be the AdBlock extension, or extensions in general.
But "a lot" of people have AdBlock....
To rule out extension(s) open a new tab in incognito making sure that "allow in incognito is off" for the extention(s) you want to test.
In my case, I found that it is jquery global timeout settings, a jquery plugin setup global timeout to 500ms, so that when the request exceed 500ms, chrome will cancel the request.
You might want to check the "X-Frame-Options" header tag. If its set to SAMEORIGIN or DENY then the iFrame insertion will be canceled by Chrome (and other browsers) per the spec.
Also, note that some browsers support the ALLOW-FROM setting but Chrome does not.
To resolve this, you will need to remove the "X-Frame-Options" header tag. This could leave you open to clickjacking attacks so you will need to decide what the risks are and how to mitigate them.
Here's what happened to me: the server was returning a malformed "Location" header for a 302 redirect.
Chrome failed to tell me this, of course. I opened the page in firefox, and immediately discovered the problem.
Nice to have multiple tools :)
Another place we've encountered the (canceled) status is in a particular TLS certificate misconfiguration. If a site such as https://www.example.com is misconfigured such that the certificate does not include the www. but is valid for https://example.com, chrome will cancel this request and automatically redirect to the latter site. This is not the case for Firefox.
Currently valid example: https://www.pthree.org/
A cancelled request happened to me when redirecting between secure and non-secure pages on separate domains within an iframe. The redirected request showed in dev tools as a "cancelled" request.
I have a page with an iframe containing a form hosted by my payment gateway. When the form in the iframe was submitted, the payment gateway would redirect back to a URL on my server. The redirect recently stopped working and ended up as a "cancelled" request instead.
It seems that Chrome (I was using Windows 7 Chrome 30.0.1599.101) no longer allowed a redirect within the iframe to go to a non-secure page on a separate domain. To fix it, I just made sure any redirected requests in the iframe were always sent to secure URLs.
When I created a simpler test page with only an iframe, there was a warning in the console (which I had previous missed or maybe didn't show up):
[Blocked] The page at https://mydomain.com/Payment/EnterDetails ran insecure content from http://mydomain.com/Payment/Success
The redirect turned into a cancelled request in Chrome on PC, Mac and Android. I don't know if it is specific to my website setup (SagePay Low Profile) or if something has changed in Chrome.
Chrome Version 33.0.1750.154 m consistently cancels image loads if I am using the Mobile Emulation pointed at my localhost; specifically with User Agent spoofing on (vs. just Screen settings).
When I turn User Agent spoofing off; image requests aren't canceled, I see the images.
I still don't understand why; in the former case, where the request is cancelled the Request Headers (CAUTION: Provisional headers are shown) have only
Accept
Cache-Control
Pragma
Referer
User-Agent
In the latter case, all of those plus others like:
Cookie
Connection
Host
Accept-Encoding
Accept-Language
Shrug
I got this error in Chrome when I redirected via JavaScript:
<script>
window.location.href = "devhost:88/somepage";
</script>
As you see I forgot the 'http://'. After I added it, it worked.
Here is another case of request being canceled by chrome, which I just encountered, which is not covered by any of answers up there.
In a nutshell
Self-signed certificate not being trusted on my android phone.
Details
We are in development/debug phase. The url is pointing to a self-signed host. The code is like:
location.href = 'https://some.host.com/some/path'
Chrome just canceled the request silently, leaving no clue for newbie to web development like myself to fix the issue. Once I downloaded and installed the certificate using the android phone the issue is gone.
If you use axios it can help you
// change timeout delay:
instance.defaults.timeout = 2500;
https://github.com/axios/axios#config-order-of-precedence
For my case, I had an anchor with click event like
<a href="" onclick="somemethod($index, hour, $event)">
Inside click event I had some network call, Chrome cancelling the request. The anchor has href with "" means, it reloads the page and the same time it has click event with network call that gets cancelled. Whenever i replace the href with void like
<a href="javascript:void(0)" onclick="somemethod($index, hour, $event)">
The problem went away!
If you make use of some Observable-based HTTP requests like those built-in in Angular (2+), then the HTTP request can be canceled when observable gets canceled (common thing when you're using RxJS 6 switchMap operator to combine the streams). In most cases it's enough to use mergeMap operator instead, if you want the request to complete.
I had faced the same issue, somewhere deep in our code we had this pseudocode:
create an iframe
onload of iframe submit a form
After 2 seconds, remove the iframe
thus, when the server takes more than 2 seconds to respond the iframe to which the server was writing the response to, was removed, but the response was still to be written , but there was no iframe to write , thus chrome cancelled the request, thus to avoid this I made sure that the iframe is removed only after the response is over, or you can change the target to "_blank".
Thus one of the reason is:
when the resource(iframe in my case) that you are writing something in, is removed or deleted before you stop writing to it, the request will be cancelled
I have embedded all types of font as well as woff, woff2, ttf when I embed a web font in style sheet. Recently I noticed that Chrome cancels request to ttf and woff when woff2 is present. I use Chrome version 66.0.3359.181 right now but I am not sure when Chrome started canceling of extra font types.
We had this problem having tag <button> in the form, that was supposed to send ajax request from js. But this request was canceled, due to browser, that sends form automatically on any click on button inside the form.
So if you realy want to use button instead of regular div or span on the page, and you want to send form throw js - you should setup a listener with preventDefault function.
e.g.
$('button').on('click', function(e){
e.preventDefault();
//do ajax
$.ajax({
...
});
})
I had the exact same thing with two CSS files that were stored in another folder outside my main css folder. I'm using Expression Engine and found that the issue was in the rules in my htaccess file. I just added the folder to one of my conditions and it fixed it. Here's an example:
RewriteCond %{REQUEST_URI} !(images|css|js|new_folder|favicon.ico)
So it might be worth you checking your htaccess file for any potential conflicts
happened to me the same when calling a. js file with $. ajax, and make an ajax request, what I did was call normally.
In my case the code to show e-mail client window caused Chrome to stop loading images:
document.location.href = mailToLink;
moving it to $(window).load(function () {...}) instead of $(function () {...}) helped.
In can this helps anybody I came across the cancelled status when I left out the return false; in the form submit. This caused the ajax send to be immediately followed by the submit action, which overwrote the current page. The code is shown below, with the important return false at the end.
$('form').submit(function() {
$.validator.unobtrusive.parse($('form'));
var data = $('form').serialize();
data.__RequestVerificationToken = $('input[name=__RequestVerificationToken]').val();
if ($('form').valid()) {
$.ajax({
url: this.action,
type: 'POST',
data: data,
success: submitSuccess,
fail: submitFailed
});
}
return false; //needed to stop default form submit action
});
Hope that helps someone.
For anyone coming from LoopbackJS and attempting to use the custom stream method like provided in their chart example. I was getting this error using a PersistedModel, switching to a basic Model fixed my issue of the eventsource status cancelling out.
Again, this is specifically for the loopback api. And since this is a top answer and top on google i figured i'de throw this in the mix of answers.
For me 'canceled' status was because the file did not exist. Strange why chrome does not show 404.
It was as simple as an incorrect path for me. I would suggest the first step in debugging would be to see if you can load the file independently of ajax etc.
The requests might have been blocked by a tracking protection plugin.
It happened to me when loading 300 images as background images. I'm guessing once first one timed out, it cancelled all the rest, or reached max concurrent request. need to implement a 5-at-a-time
One the reasons could be that the XMLHttpRequest.abort() was called somewhere in the code, in this case, the request will have the cancelled status in the Chrome Developer tools Network tab.
In my case, it started coming after chrome 76 update.
Due to some issue in my JS code, window.location was getting updated multiple times which resulted in canceling previous request.
Although the issue was present from before, chrome started cancelling request after update to version 76.
I had the same issue when updating a record. Inside the save() i was prepping the rawdata taken from the form to match the database format (doing a lot of mapping of enums values, etc), and this intermittently cancels the put request. i resolved it by taking out the data prepping from the save() and creating a dedicated dataPrep() method out of it. I turned this dataPrep into async and await all the memory intensive data conversion. I then return the prepped data to the save() method that i could use in the http put client. I made sure i await on dataPrep() before calling the put method:
await dataToUpdate = await dataPrep();
http.put(apiUrl, dataToUpdate);
This solved the intermittent cancelling of request.

IE8: browser-cache and ajax

I developed a webapplication with ajax.
its fine with firefox but under IE8 some of my ajax dynamics (e.g. changing a div after a button etc.) are not working. only if I disable the browser-cache (F12 - Cache - always reload from server).
think IE doesnt check that a ajax-response has changed a part of the site or something else.
any ideas i can handle this with this option on??
I tried random-numbers in the request or timestamps in the response but didnt work.
thanks!
ch
try with.
$.ajaxSetup({ cache: false });
Not sure what server side language you use... I used code below at the server side(in the ...aspx.cs file):
Response.AddHeader("Cache-Control", "No-Cache");
Response.Write...

jQuery and Ajax with json - fails in IE

I'm using jQuery (1.7.0) to make a json/ajax call to Spotify. The following code works fine in Chrome and Firefox, but causes an error (Error: Access is denied.) in IE.
$.ajax({
url: 'http://ws.spotify.com/lookup/1/.json',
type: 'GET',
dataType: 'json',
cache: true,
data: {
uri: "someartist",
extras: "album"
},
success: successfn,
error:function(xhr, status, errorThrown) {
alert("networking error: "+errorThrown+'\n'+status+'\n'+xhr.statusText);
}
});
The success function is called in Chrome and FF, but the error function is called in IE with the above message. I have set cors to true: jQuery.support.cors = true;.
It works on Chrome and FF both locally and on my server, it works in IE locally but not on the server. Changing cache: false causes problems at the spotify end - doesn't line additional parameters, so I get a "bad request" error.
Grateful for any pointers.
Thanks
Abo
You are relying on the spotify url to give a Access-Control-Allow-Origin:* in their header to allow cross domain requests from all domains. Internet explorer however doesn't support this, so it gives access denied.
access-control-allow-origin explained. (TLDR: Servers may allow cross domain ajax in their headers)
If you need this to work in IE, you could use spotify's JSONP API if they have one or make the AJAX request in flash, which works in all browsers and passes the requests response data to your javascript.
The above answer about using jsonp is correct; I want to add:
Don't set
jquery.support.cors = true;
I'm not sure why so many questions begin by stating they took that step. This property is meant to be read to find out if the browser supports CORS. You should only override it if you know differently, and in my experience it's accurate for all major browsers. Setting it to true doesn't enable the browser to use CORS, it just denies you the info that CORS is going to fail.
http://api.jquery.com/jQuery.support/
can you give an example of returned data?
at a /guess/, it either has something to do with the filename ".json", or the JSON returned has something weird about it.
I'm surprised this works on Chrome or Firefox. You shouldn't be able to run cross-domain JSON requests.
If Spotify API supports it, you should use JSONP in order to access resources from other domains.
Also see: No response from jQuery ajax call
I don't see this working in FF. You can't make cross-domain Ajax calls. So I'm not sure what's going on when you say that it works in FF. But I just tried the following in FF and I got the error. So all you can do is make the call on the server side and then include the results in your page.
http://jsfiddle.net/2XWGn/

jquery $.ajax() in safari and chrome doesn't work

I want use $.ajax to read some infomation from xml file,here is my js code :
$.ajax({
type: "get",
url: "Database/App_all.xml",
dataType: "xml",
timeout: 2000,
beforeSend: function () {
},
success: function (xml) {
$(xml).find("app[id='id-1']").appendTo($("#contain"));
},
error: function () {
alert("ajax failed!");
}
});
However, the code only work great in firefox and opera.
It doesn't work in chrome(7.0.517.24 ) and safari(5.0.1),failed without any alert,not even the alert("ajax failed").
Is there any bug in $.ajax in chrome and safari?so how to solve the problem?
thank you very much:)
You should use chrome's or safari's built-in developer tools (ctrl+shift+i) to track JS errors and track actual AJAX requests.
Is your code wrapped in document.ready? Is there any erros in javascript console? Also try to output something after success callback line.
Another cause for this could be incorrect mime-type for your XML file returned by server. It should be [Content-type: text/xml]. You can check that in chrome's or safari's built-in developer tools - just look for headers tab when xml resource is selected. If it 's actual problem, you may need to tweak web-server configuration (main config or .htaccess for apache) to return correct mime-type.
First thank you gajendra.bang and Māris Kiseļovs give me your advices,I have konw what's wrong with my code,after I get a bad resault ,I trying to know what the $.ajax get from xml exactly,so I use firebug check the div#contain I found that:
 <div id="contain">
<auther>cocept</auther>
 </div>
yes,I think the <auther></auther> must the problem,I don't even konw the $.ajax would get the tagname as well
so I rewrite it :
success: function (xml) {
$("#contain").html($(xml).find("app[id='id-1']").find("auther").text());
}
then the div$contain is:
 <div id="contain">
cocept
 </div>
so ,the chrome and safari could show again!
I suppose you have problem with reading of the local file per ajax. Ajax can be used to read a file from the same web server, but there are some security restriction if you read it not per HTTP.
In firefox and opera you can read local files (with url like file:///C:/Program%20Files/My/Database/App_all.xml) per ajax without any problem.
In Internet Explorer you should use dataType: 'text' and then convert the text to XML (read more here).
To be able to read local files in Chrome you have to restart chrome with another parameters:
chrome.exe --allow-file-access-from-files
(Be sure that all other instances of chorme closed before starting Chrome.exe in the way).
This is a problem for local files... You should try uploading them on a web server and check from there
$(xml).find("app[id='id-1']").appendTo($("#contain"));
what is xml basically returning, an element with "#" like "#mydiv" or class like ".mydiv"
I think you are trying to access an element and if you are not returning it with "#", try
$("#"+xml).find("app[id='id-1']").appendTo($("#contain"));

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