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Apache Server Error 304


The server MUST send a final response after the request has been completed. Systems that cache or index Web resources (such as search engines) often use the 304 response to determine if the information they previously gathered for a particular URL is now out-of-date. Close Box Join Tek-Tips Today! There is no facility for re-sending a status code from an asynchronous operation such as this. weblink

Why do you think that if browser will always fetch the content, it will be faster? Avoiding Conditional Requests In general, caching is a great thing, and is one of the most important things you can do to speed up your website. The response body SHOULD include enough information for the user to recognize the source of the conflict. asked 2 years ago viewed 11696 times active 2 years ago Linked 0 iOS Safari 304 caching bug - Blank pages Related 138HTTP status code 200 (cache) vs status code 304?0Why http://www.checkupdown.com/status/E304.html

Http Error 304 Apache

The response MUST include the following header fields: - Either a Content-Range header field (section 14.16) indicating the range included with this response, or a multipart/byteranges Content-Type including Content-Range fields for Server Error 500 - Internal Server ErrorA 500 status code (all too often seen by Perl programmers) indicates that the server encountered something it didn't expect and was unable to complete See for more info. In fact, no cache-control parameters are set by default.

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Comments Comments are disabled in preview mode. Not observing these limitations has significant security consequences. 10.3.7 306 (Unused) The 306 status code was used in a previous version of the specification, is no longer used, and the code Apache 404 Error Do you have a conflicting Expires header?

Looking for "turn to dust" alternative as a single word Can I use the Trip Attack maneuver on a already prone enemy? Apache Error Code 304 We are Added Bytes, a creative team of e-commerce experts from Brighton, UK specialising in Magento websites.We are available for projects starting in November. This will ensure that the visitor receives an HTML page that is parsed, and it must be parsed by the server (not from cache), thus making your HTML pages come from If anyone can spot why every 2nd time I browse to a link like http://newsimg.bbc.co.uk/css/screen/1_0_16/nol/v4/story.css (starting at the 2nd time, not the first) via this proxy code I get the error

share|improve this answer answered Mar 13 '14 at 19:47 rdlowrey 23.2k75687 1 SHOULD NOT !== MUST NOT (not prohibited, just not recommended: ietf.org/rfc/rfc2119.txt) –Szabolcs Páll Aug 25 '15 at 13:53 Server Error 302 All rights reserved.Unauthorized reproduction or linking forbidden without expressed written permission. The new URI is not a substitute reference for the originally requested resource. HTTP, Hypertext Transfer Protocol, is the method by which clients (i.e.

Apache Error Code 304

Although must-revalidate should technically not effect the caching decision of the client in most cases, it is a widely abused parameter and it wouldn't surprise me at all if clients treat http://100pulse.com/http-statuscode/304.jsp Join your peers on the Internet's largest technical computer professional community.It's easy to join and it's free. Http Error 304 Apache If the response could be unacceptable, a user agent SHOULD temporarily stop receipt of more data and query the user for a decision on further actions. 10.4.8 407 Proxy Authentication Required Apache 301 Error If no Retry-After is given, the client SHOULD handle the response as it would for a 500 response.

A more technical breakdown of HTTP 1.1 status codes and their meanings is available at http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html. have a peek at these guys Not sure if the issue is something to do with how it mimics this aspect of the request and then what happens as the result comes back? Click Here to join Tek-Tips and talk with other members! Yes, of course I'm an adult! Apache 403 Error

If I use a 'Header append Cache-Control >> "max-age=something"' , Apache inserts this header in response, even if >> return code is 304 (until now I've used only 'ExpiresByType' to set wlwoman (TechnicalUser) 20 Sep 02 06:37 The 304 error is somewhat misleading. Fixing 304 errors - general You should never see this error in your Web browser. check over here If it lacks both headers, it must request the resource unconditionally, and the server must send back the complete resource.

Divide the elements of one column with the corr element of another column Least Common Multiple Pheno Menon's number challenge Force Microsoft Word to NEVER auto-capitalize the name of my company 304 Not Modified Error If the request method was not HEAD and the server wishes to make public why the request has not been fulfilled, it SHOULD describe the reason for the refusal in the This status code is commonly used when the server does not wish to reveal exactly why the request has been refused, or when no other response is applicable. 10.4.6 405 Method

So, the solution I tell you in a previous post, thats including Header append Cache-Control "max-age=120" makes Apache to include a 'Cache-Control: max-age=120' header in that response.

No indication is given of whether the condition is temporary or permanent. There are a fair few more status codes sent by servers, and the following is a list of the current ones in HTTP 1.1, along with an explanation of their meanings. A server is set to only wait a certain amount of time for responses from clients, and a 408 status code indicates that time has passed.409 - ConflictA 409 status code 304 Not Modified Cache Browse other questions tagged http httpwebrequest http-status-code-304 if-modified-since or ask your own question.

In fact, no cache-control > parameters are set by default. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed See Trademarks or appropriate markings. this content See for more info.

If not, why? When I access to a > page contaning any of those elements, the browser doesn´t make a request > to the server, it get the content from cache instead. Sitecritique.net Friendly community where you can get a site critique - or give one! Open an IP socket connection to that IP address.

Why are Conditional Requests Made Conditional validation delivers a performance improvement when users revisit a page (because the server may omit retransmitting all response bodies) but it still has a cost—the There are no required headers for this class of status code. This data stream contains status codes whose values are determined by the HTTP protocol. Should an elected official feel obligated to vote on an issue based on the majority opinion of his constituents?

Browse other questions tagged apache http http-status-codes http-status-code-304 or ask your own question. This is the appropriate response when the server does not recognize the request method and is not capable of supporting it for any resource. 10.5.3 502 Bad Gateway The server, while This method exists primarily to allow the output of a POST-activated script to redirect the user agent to a selected resource. How did Samba, Krishna's son, get relieved from Curse of Krishna?

The problem arises when the time I chose for element's caching finishes.