[Webkit-unassigned] [Bug 114480] New: REGRESSION (r141136): Wiki "Random article" function very broken

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=114480

           Summary: REGRESSION (r141136): Wiki "Random article" function
                    very broken
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: InRadar
          Severity: Normal
          Priority: P2
         Component: Page Loading
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: beidson at apple.com


REGRESSION (r141136): Wiki "Random article" function very broken

When main resources are in the memory cache, they are keyed off http://en.wikipedia.org/wiki/Special:Random
Even though http://en.wikipedia.org/wiki/Special:Random redirects to a random article each time.

So we start to revalidate the resource with wikipedia, and it redirects the revalidation request.

In our new redirect request, we still issue a conditional GET to try to revalidate the new request, and that gives us back a 304.  So we update our URLs but use the main resource text from the previous article.

If the redirect URL differs from the CachedResource we're trying to revalidate, we should stop trying to revalidate and issue an unconditional GET.

In radar as <rdar://problem/13229985>

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