Inspected URL: https://www.reddit.com/ Loading completed: true Frontend User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_4) AppleWebKit/605.1.15 (KHTML, like Gecko) Uncaught Exceptions: - TypeError: null is not an object (evaluating 'mouseBlock.addEventListener') (at NetworkTableContentView.js:761:19) _populateWaterfallGraph @ NetworkTableContentView.js:761:19 tablePopulateCell @ NetworkTableContentView.js:462:41 _populatedCellForColumnAndRow @ Table.js:758:41 _populateRow @ Table.js:769:58 _applyColumnWidths @ Table.js:1110:38 _resizeColumnsAndFiller @ Table.js:983:32 resize @ Table.js:234:37 layout @ Table.js:568:24 _layoutSubtree @ View.js:278:20 _layoutSubtree @ View.js:285:32 _layoutSubtree @ View.js:285:32 _layoutSubtree @ View.js:285:32 _layoutSubtree @ View.js:285:32 _layoutSubtree @ View.js:285:32 _layoutSubtree @ View.js:285:32 updateLayout @ View.js:158:28 _tabBrowserSizeDidChange @ Main.js:1595:33 _sidebarWidthDidChange @ Main.js:1614:34 dispatch @ Object.js:170:30 dispatchEventToListeners @ Object.js:177:17 _recalculateWidth @ Sidebar.js:290:38 width @ Sidebar.js:178:31 _showDetailsSidebarPanelsForTabContentView @ TabBrowser.js:407:33 _tabBarItemSelected @ TabBrowser.js:255:56 dispatch @ Object.js:170:30 dispatchEventToListeners @ Object.js:177:17 selectedTabBarItem @ LegacyTabBar.js:386:38 _handleMouseDown @ LegacyTabBar.js:623:13 _handleMouseDown @ [native code] ------- * STEPS TO REPRODUCE 1. Open https://www.reddit.com/ (not logged in) 2. Open Web Inspector 3. Click Network tab
Created attachment 352833 [details] Patch I haven't been able to reproduce the bug, but this seems to be the only possible cause based on my reading of the code
I can no longer reproduce the bug either but I was able to on the ToT WebKit.
Comment on attachment 352833 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=352833&action=review rs=me > Source/WebInspectorUI/ChangeLog:11 > + don't create an element. If this is true for the total range of the `WI.Resouce` (meaning Nit: resource
Comment on attachment 352833 [details] Patch Clearing flags on attachment: 352833 Committed r237349: <https://trac.webkit.org/changeset/237349>
All reviewed patches have been landed. Closing bug.
<rdar://problem/45482292>