Bug 244349 – Web Inspector: Uncaught Exception: TypeError: undefined is not an object (evaluating 'this._breakpointMap[lineInfo.lineNumber][lineInfo.columnNumber]')

• Component: Web Inspector
• Status: RESOLVED FIXED

[Devin Rousso]

Uncaught Exception in Web Inspector.

Steps to Reproduce:
1. create an Assertion Failures breakpoint
2. evaluate `console.assert()`
3. resume execution
4. delete the Assertion Failures breakpoint

Uncaught Exceptions:
-----------------------
 - TypeError: undefined is not an object (evaluating 'this._breakpointMap[lineInfo.lineNumber][lineInfo.columnNumber]') (at SourceCodeTextEditor.js:468:79)
    _removeBreakpointWithEditorLineInfo @ SourceCodeTextEditor.js:468:79
    _breakpointRemoved @ SourceCodeTextEditor.js:710:49
    dispatch @ Object.js:134:35
    dispatchEventToListeners @ Object.js:142:17
    removeBreakpoint @ DebuggerManager.js:798:38
    remove @ JavaScriptBreakpoint.js:214:44
    ondelete @ BreakpointTreeElement.js:72:36
    _treeKeyDown @ TreeOutline.js:608:69
    _treeKeyDown @ [native code]
-----------------------

Notes:
Inspected URL:        https://webkit.org/
Loading completed:    true
Frontend User Agent:  Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko)

[Devin Rousso]

Pull request: https://github.com/WebKit/WebKit/pull/3667

[EWS]

Committed 253792@main (4a0a7c3f052c): <https://commits.webkit.org/253792@main>

Reviewed commits have been landed. Closing PR #3667 and removing active labels.

[Radar WebKit Bug Importer]

<rdar://problem/99153599>