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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Web Inspector: Fix double remove of ResourceCollection if type changes"
href="https://bugs.webkit.org/show_bug.cgi?id=164268">164268</a>
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<th>Summary</th>
<td>Web Inspector: Fix double remove of ResourceCollection if type changes
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<th>Classification</th>
<td>Unclassified
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<th>Product</th>
<td>WebKit
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<th>Version</th>
<td>WebKit Nightly Build
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<th>Hardware</th>
<td>All
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<th>OS</th>
<td>All
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>Normal
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<th>Priority</th>
<td>P2
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<th>Component</th>
<td>Web Inspector
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
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<th>Reporter</th>
<td>dcrousso+webkit@gmail.com
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<th>CC</th>
<td>bburg@apple.com, joepeck@webkit.org, mattbaker@apple.com, nvasilyev@apple.com, timothy@apple.com, webkit-bug-importer@group.apple.com
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<pre>If a ResourceCollection is created without a type, and a Resource object is added to it, a sub-collection (also a ResourceCollection) is created for that specific type and stored in a Map. If the type on that Resource changes, the `WebInspector.Resource.Event.TypeDidChange` event listeners for both the "parent" collection and the sub-collection will be fired, and both attempt to remove the resource from the sub-collection of that type:
- The "parent" tries to add it to the sub-collection of the new type (creating one if it does not exist) and remove it from the sub-collection of the old type
- The sub-collection of the old type tries to remove it from itself since it has a specified type, and changing types means that it no longer matches</pre>
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