[Webkit-unassigned] [Bug 204830] New: Web Inspector: Uncaught Exception: undefined is not an object (evaluating 'navigationItem.parentNavigationBar')\

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Dec 3 18:25:11 PST 2019


https://bugs.webkit.org/show_bug.cgi?id=204830

            Bug ID: 204830
           Summary: Web Inspector: Uncaught Exception: undefined is not an
                    object (evaluating
                    'navigationItem.parentNavigationBar')\
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
               URL: https://webkit.org/
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Inspector
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: drousso at apple.com
                CC: inspector-bugzilla-changes at group.apple.com

Uncaught Exception in Web Inspector.

Steps to Reproduce:
1. inspect <https://webkit.org/>
2. force dark appearance
3. navigate to <https://apple.com/>

Uncaught Exceptions:
-----------------------
 - undefined is not an object (evaluating 'navigationItem.parentNavigationBar') (at ContentBrowser.js:450:35)
    _removeAllNavigationItems @ ContentBrowser.js:450:35
    _updateContentViewNavigationItems @ ContentBrowser.js:399:43
    _currentContentViewDidChange @ ContentBrowser.js:515:47
    dispatch @ Object.js:165:30
    dispatchEventToListeners @ Object.js:172:17
    closeAllContentViews @ ContentViewContainer.js:303:38
    _showDOMTreeContentView @ ElementsTabContentView.js:115:70
    _mainResourceDidChange @ ElementsTabContentView.js:132:37
    dispatch @ Object.js:165:30
    dispatchEventToListeners @ Object.js:180:21
    _dispatchMainResourceDidChangeEvent @ Frame.js:492:38
    _processMainFrameResourceTreePayload @ NetworkManager.js:1197:64
    _processMainFrameResourceTreePayload @ [native code]
    _dispatchResponseToCallback @ Connection.js:137:27
    _dispatchResponse @ Connection.js:107:45
    dispatch @ Connection.js:62:35
    dispatchMessageFromTarget @ TargetManager.js:159:35
    dispatchMessageFromTarget @ TargetObserver.js:47:51
    _dispatchEvent @ Connection.js:195:26
    dispatch @ Connection.js:64:32
    dispatch @ InspectorBackend.js:219:52
    ? @ MessageDispatcher.js:42:34

Additional Details:
    cause --> An uncaught exception was thrown while dispatching response callback for command Page.getResourceTree.
-----------------------

Notes:
Inspected URL:        https://webkit.org/
Loading completed:    true
Frontend User Agent:  Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/605.1.15 (KHTML, like Gecko)

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