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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Web Inspector: Uncaught Exception opening inspector - TypeError: Attempted to assign to readonly property."
href="https://bugs.webkit.org/show_bug.cgi?id=150913">150913</a>
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<th>Summary</th>
<td>Web Inspector: Uncaught Exception opening inspector - TypeError: Attempted to assign to readonly property.
</td>
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<th>Classification</th>
<td>Unclassified
</td>
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<th>Product</th>
<td>WebKit
</td>
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<th>Version</th>
<td>Other
</td>
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<th>Hardware</th>
<td>All
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>Normal
</td>
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<th>Priority</th>
<td>P2
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<th>Component</th>
<td>Web Inspector
</td>
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
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<th>Reporter</th>
<td>joepeck@webkit.org
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<th>CC</th>
<td>bburg@apple.com, graouts@webkit.org, joepeck@webkit.org, mattbaker@apple.com, nvasilyev@apple.com, timothy@apple.com, webkit-bug-importer@group.apple.com
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<pre>* SUMMARY
Uncaught Exception opening inspector - TypeError: Attempted to assign to readonly property.
* EXCEPTION
TypeError: Attempted to assign to readonly property.
replaceContentView — ContentViewContainer.js:229
_resourceTypeDidChange — ResourceClusterContentView.js:248
dispatch — Object.js:155
dispatchEventToListeners — Object.js:162
associateWithScript — Resource.js:653
Script — Script.js:42
scriptDidParse — DebuggerManager.js:531
scriptParsed — DebuggerObserver.js:37
dispatchEvent — InspectorBackend.js:382
_dispatchEvent — InspectorBackend.js:281
dispatch — InspectorBackend.js:89
dispatchNextQueuedMessageFromBackend — MessageDispatcher.js:42
* NOTES
BackForwardEntry.js has a "get contentView()" but no "set contentView(x)" so this looks legit.
// Replace all occurrences of oldContentView with newContentView in the back/forward list.
for (var i = 0; i < this._backForwardList.length; ++i) {
if (this._backForwardList[i].contentView === oldContentView)
this._backForwardList[i].contentView = newContentView; // <-- attempting to set content view.
}</pre>
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