[Webkit-unassigned] [Bug 54783] New: "Failed to load resource" in click handler; blocks image loading and XHR

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=54783

           Summary: "Failed to load resource" in click handler; blocks
                    image loading and XHR
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Windows Vista
            Status: UNCONFIRMED
          Severity: Major
          Priority: P2
         Component: Page Loading
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: anthon.pang at gmail.com


The error appears in Web Inspector and no corresponding HTTP request appears in the web server logs.  I stepped through the execution in Safari 5.0.3, and the click handler is triggered.

This is a significant issue that impacts major apps like Google Analytics.  The only workaround appears to be setting the anchor's target attribute so that the page loads in a new window, e.g., target="_blank".  Opening a new window disrupts the user experience and is frowned upon.

References:
- Safari 4 Event Tracking on a Download and External Links Not Working
  http://www.google.com/support/forum/p/Google%20Analytics/thread?tid=42311d8d5f74f239&hl=en
-__utm.gif Failed to load resource in Webkit when tracking clicks with Event Listeners 
  http://www.google.com/support/forum/p/Google%20Analytics/thread?tid=19d16348ea784a25&hl=en

Editorial note:  this could be a duplicate of bug:25359 but that bug is light on details; also, the symptoms are similar to to bug:46491 but is triggered differently.

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