Bug 164795

Summary: Uncaught Exception: TypeError: null is not an object (evaluating 'this.treeOutline._visible')
Product: WebKit Reporter: Wenson Hsieh <wenson_hsieh>
Component: Web InspectorAssignee: Matt Baker <mattbaker>
Status: RESOLVED CONFIGURATION CHANGED    
Severity: Normal CC: bfulgham, inspector-bugzilla-changes, mattbaker, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: All   
OS: All   
URL: file:///Users/whsieh/pweb/examples/playback.html
Attachments:
Description Flags
(non-reduced) test case none

Description Wenson Hsieh 2016-11-15 14:21:50 PST
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Inspected URL:        file:///Users/whsieh/pweb/examples/playback.html
Loading completed:    true
Frontend User Agent:  Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13) AppleWebKit/603.1.13+ (KHTML, like Gecko)

Uncaught Exceptions:
 - TypeError: null is not an object (evaluating 'this.treeOutline._visible') (at DOMTreeElement.js:364:64)
    _updateChildren @ DOMTreeElement.js:364:64
    _updateChildren @ [native code]
    getChildNodes @ DOMNode.js:462:25
    updateChildren @ DOMTreeElement.js:336:45
    _updateModifiedNodes @ DOMTreeUpdater.js:124:45
    performWork @ Utilities.js:1356:47
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* STEPS TO REPRODUCE
1. What were you doing? Include setup or other preparations to reproduce the exception.
2. Include explicit, accurate, and minimal steps taken. Do not include extraneous or irrelevant steps.

* NOTES
Document any additional information that might be useful in resolving the problem, such as screen shots or other included attachments.
Comment 1 Wenson Hsieh 2016-11-15 14:22:46 PST
Created attachment 294881 [details]
(non-reduced) test case

Drag the JSON file into the drop area in playback.html
Comment 2 Radar WebKit Bug Importer 2016-11-15 14:24:25 PST
<rdar://problem/29275855>
Comment 3 Radar WebKit Bug Importer 2016-11-15 14:25:27 PST
<rdar://problem/29275890>