[Webkit-unassigned] [Bug 9920] New: Intermittent assertion failure: !reachedTerminalState in -[WebLoader cancelWithError:]

[bugzilla-daemon at opendarwin.org]

http://bugzilla.opendarwin.org/show_bug.cgi?id=9920

           Summary: Intermittent assertion failure: !reachedTerminalState in
                    -[WebLoader cancelWithError:]
           Product: WebKit
           Version: 420+ (nightly)
          Platform: Macintosh
               URL: http://www.verticaladventures.org/trainingmanuals.cfm
        OS/Version: Mac OS X 10.4
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Page Loading
        AssignedTo: webkit-unassigned at opendarwin.org
        ReportedBy: ap at nypop.com


When trying to reproduce another bug, I got an assertion failure:

=================
ASSERTION FAILED: !reachedTerminalState
(/Users/ap/WebKit/WebKit/WebView/WebLoader.m:601 -[WebLoader cancelWithError:])
=================

Immediately before that, I reloaded a page that was itself a result of form
submission (see bug URL), and clicked Cancel in the sheet offering to re-send
the data. I could reproduce this twice, but could not find any way to reproduce
reliably.

Thread 0 Crashed:
0   com.apple.WebKit            0x0034590c -[WebLoader cancelWithError:] + 104
(WebLoader.m:601)
1   com.apple.WebKit            0x003859cc -[WebMainResourceLoader
cancelWithError:] + 268 (WebMainResourceLoader.m:114)
2   com.apple.WebKit            0x00385b24 -[WebMainResourceLoader
stopLoadingForPolicyChange] + 128 (WebMainResourceLoader.m:126)
3   com.apple.WebKit            0x00385ba8 -[WebMainResourceLoader
continueAfterNavigationPolicy:formState:] + 84 (WebMainResourceLoader.m:134)
4   com.apple.WebKit            0x0035a0b4 -[WebFrame(WebPrivate)
_continueAfterNavigationPolicy:] + 752 (WebFrame.m:1778)
5   com.apple.WebKit            0x003b2478 -[WebPolicyDecisionListener
_usePolicy:] + 92 (WebPolicyDelegate.m:92)
6   com.apple.WebKit            0x003b25d4 -[WebPolicyDecisionListener ignore]
+ 68 (WebPolicyDelegate.m:112)
7   com.apple.Safari            0x00017ee4 0x1000 + 93924
8   com.apple.Safari            0x000a9f6c 0x1000 + 692076
9   com.apple.AppKit            0x938ec390 -[NSAlert
didEndSheet:returnCode:contextInfo:] + 108
10  com.apple.AppKit            0x938d73ac -[NSAlert buttonPressed:] + 380
11  com.apple.AppKit            0x9378ac4c -[NSApplication sendAction:to:from:]
+ 108
12  com.apple.Safari            0x0002956c 0x1000 + 165228
13  com.apple.AppKit            0x9378ab80 -[NSControl sendAction:to:] + 96
14  com.apple.AppKit            0x9378aa60 -[NSCell _sendActionFrom:] + 156
15  com.apple.AppKit            0x937a4a88 -[NSCell
trackMouse:inRect:ofView:untilMouseUp:] + 1020
16  com.apple.AppKit            0x937a4670 -[NSButtonCell
trackMouse:inRect:ofView:untilMouseUp:] + 564
17  com.apple.AppKit            0x937a4094 -[NSControl mouseDown:] + 536
18  com.apple.AppKit            0x93745890 -[NSWindow sendEvent:] + 4616
19  com.apple.AppKit            0x936ee8d4 -[NSApplication sendEvent:] + 4172
20  com.apple.Safari            0x00021238 0x1000 + 131640
21  com.apple.AppKit            0x936e5d10 -[NSApplication run] + 508


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