w3c.org [RFC2616]
Worse yet, my workaround stopped 'working around the issue. How to fix browser cache and notmodified respond for JSON? This means that even if someone visits hundreds of sites using the same Google hosted version of jQuery, they will only have to … Again: […] The user agent must allow setRequestHeader() to override automatic cache validation by setting request headers (e.g., If-None-Match, If-Modified-Since), in which case 304 Not Modified responses must be passed through. Looking into this a bit more, I see that caching it is a rather messy area of ajax. yep, fiddler shows sharepoint online is returning HTTP/1.1 304 Not Modified, when, in fact, I deleted and upload a new version of the file.
304: "Not Modified" (page hasn't been modified) 404: "Not Found" 403: "Forbidden" 401: "Unauthorized" (wrong password) contentType. Jquery 304 Not Modified Issue.
Notice that If-Modified-Since header is present in the request. Hi. – russellg May 23 '17 at 20:32
The value is exactly equal to what we just saw in Figure 4 Last-Modified.
Figure 6 Conclusion If the ajax.reload() function stumble upon a 304 return code, it raises an exception TypeError: json is undefined from jquery.dataTables.js:2552. Not only will Google’s servers return a 304 “Not Modified” response if the file is requested again, but also instructs the browser to cache the file for up to one year.
Firefox always return 200 even when the server returns 304. Can anyone please tell me how can i disable these headers?
Did I miss some configuration?
IE8 only.
A web server sends a HTTP/304 in response to a Conditional Validation request, indicating that the client’s copy of a resource is still valid and that the resource in question was Not Modified since the client cached its copy. Actually there is a way to also get the 304 status codes in your jQuery ajax callback.
This time we receive an HTTP 304 Not Modified response because the data is not changed since Sat, 07 Feb 2015 08:58:32 GMT.
The client clearly has no cache of the local file, providing neither the if-modified-since or if-none-match request headers - yet, ARR responds with a 304 Not Modified response - … Note: For fully integrating the