Bug 159752 – Uncaught Exception: TypeError: null is not an object (evaluating 'child.treeOutline._rememberTreeElement')

• Component: Web Inspector
• Status: NEW

[Benjamin Poulain]

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Inspected URL:        http://www.zillow.com/
Loading completed:    true
Frontend User Agent:  Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_5) AppleWebKit/602.1.41+ (KHTML, like Gecko)

Uncaught Exceptions:
 - TypeError: null is not an object (evaluating 'child.treeOutline._rememberTreeElement') (at TreeOutline.js:211:26)
    insertChild @ TreeOutline.js:211:26
    onpopulate @ SourceCodeTreeElement.js:123:46
    traverseNextTreeElement @ TreeElement.js:555:31
    _updateFilter @ NavigationSidebarPanel.js:617:80
    updateFilter @ NavigationSidebarPanel.js:329:27
    _scopeBarSelectionDidChange @ ResourceSidebarPanel.js:392:26
    dispatch @ Object.js:162:30
    dispatchEventToListeners @ Object.js:169:17
    _itemSelectionDidChange @ ScopeBar.js:157:38
    dispatch @ Object.js:162:30
    dispatchEventToListeners @ Object.js:169:17
    setSelected @ ScopeBarItem.js:88:38
    selected @ ScopeBarItem.js:77:25
    _itemSelectionDidChange @ ScopeBar.js:146:25
    dispatch @ Object.js:162:30
    dispatchEventToListeners @ Object.js:169:17
    setSelected @ ScopeBarItem.js:88:38
    selected @ ScopeBarItem.js:77:25
    selectedScopeBarItem @ MultipleScopeBarItem.js:137:39
    _selectElementSelectionChanged @ MultipleScopeBarItem.js:178:13
    _selectElementSelectionChanged @ [native code]
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* STEPS TO REPRODUCE
1. Opened Resource view
2. I was switching between resource types in the left sidebar

[Radar WebKit Bug Importer]

<rdar://problem/27337266>

[Nikita Vasilyev]

Can someone still reproduce this? I wasn't able to.