[Webkit-unassigned] [Bug 170300] New: Uncaught Exception: null is not an object (evaluating 'rootNode.id')

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=170300

            Bug ID: 170300
           Summary: Uncaught Exception: null is not an object (evaluating
                    'rootNode.id')
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
               URL: http://www.aljazeera.net/portal
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Inspector
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: bburg at apple.com
                CC: inspector-bugzilla-changes at group.apple.com

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Inspected URL:        http://www.aljazeera.net/portal
Loading completed:    true
Frontend User Agent:  Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13) AppleWebKit/604.1.16+ (KHTML, like Gecko)
Dispatch Source:      Protocol Command Response

Protocol Command Response:
{"result":{"nodeId":0},"id":724}

Protocol Command Request:
{"id":724,"method":"DOM.requestNode","params":{"objectId":"{\"injectedScriptId\":166,\"id\":2}"}}

Uncaught Exceptions:
 - null is not an object (evaluating 'rootNode.id') (at DOMTree.js:119:72)
    ? @ DOMTree.js:119:72
    dispatchCallbacks @ DOMTree.js:193:52
    rootDOMNodeAvailable @ DOMTree.js:162:39
    rootDOMNodeAvailable @ [native code]
    ? @ DOMTreeManager.js:108:21
    _dispatchResponseToCallback @ Connection.js:146:27
    _dispatchResponse @ Connection.js:116:45
    dispatch @ Connection.js:69:35
    dispatch @ InspectorBackend.js:154:49
    dispatchNextQueuedMessageFromBackend @ MessageDispatcher.js:42:34

Additional Details:
    cause --> An uncaught exception was thrown while dispatching response callback for command DOM.requestNode.
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This happens 100% of the time when inspecting the Arabic version of Al Jazeera. I think it is caused by their heavy use of frames for ads, etc.

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