[Webkit-unassigned] [Bug 216125] New: Fetch requests with 304 Not Modified response don't hit cache

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=216125

            Bug ID: 216125
           Summary: Fetch requests with 304 Not Modified response don't
                    hit cache
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: pangle at apple.com

Created attachment 407883

  --> https://bugs.webkit.org/attachment.cgi?id=407883&action=review

Resources to reproduce issue - needs Apache server with PHP support.

Requests made via `fetch(…)` in JavaScript will not hit the cache for some types of resources, like text and json files even when the content is otherwise in the cache. Other resources, like PHP pages will hit the cache under similar circumstances.

I’ve been using these test resources to reproduce the issue. Needs to be hosted on an HTTP/PHP server. There is a hidden .htaccess file in here as well that is part of the test to make sure caching headers are set for the static resource.

You can observe in the JS console that 304 responses for the text/json files don’t return any body.

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