Open Bug 1924739 Opened 1 year ago Updated 1 year ago

Debugger panel crash when clicking on link from tracer

Categories

(DevTools :: Debugger, defect, P2)

Product:
DevTools
Component:
Debugger
Type:
defect

Tracking

(Not tracked)

People

(Reporter: jdescottes, Unassigned)

References

(Blocks 2 open bugs)

Details

Happened while tracing the load from https://bugs.gentoo.org/buglist.cgi?chfield=%5BBug%20creation%5D&chfieldfrom=24h on a slightly old Nightly (2024-10-02)

Error:
TypeError: can't access property "length", r is undefined

React Component Stack:
in Exceptions
in Connect(Exceptions)
in div
in Editor
in Connect(Editor)
in div
in main
in div
in div
in SplitBox
in div
in div
in SplitBox
in AppErrorBoundary
in div
in App
in Connect(App)
in Provider
in Provider

Stacktrace:
lineInner@resource://devtools/client/shared/sourceeditor/codemirror6/codemirror6.bundle.mjs:1:2966
line@resource://devtools/client/shared/sourceeditor/codemirror6/codemirror6.bundle.mjs:1:277
_buildDecorationsForMarker@resource://devtools/client/shared/sourceeditor/editor.js:867:42
updateDecorationsForAllMarkers@resource://devtools/client/shared/sourceeditor/editor.js:941:35
update@resource://devtools/client/shared/sourceeditor/editor.js:993:33
update@resource://devtools/client/shared/sourceeditor/codemirror6/codemirror6.bundle.mjs:1:22755
applyTransaction/<@resource://devtools/client/shared/sourceeditor/codemirror6/codemirror6.bundle.mjs:1:31323
tt@resource://devtools/client/shared/sourceeditor/codemirror6/codemirror6.bundle.mjs:1:25475
kt@resource://devtools/client/shared/sourceeditor/codemirror6/codemirror6.bundle.mjs:1:30513
applyTransaction@resource://devtools/client/shared/sourceeditor/codemirror6/codemirror6.bundle.mjs:1:31291
get state@resource://devtools/client/shared/sourceeditor/codemirror6/codemirror6.bundle.mjs:1:26945
update@resource://devtools/client/shared/sourceeditor/codemirror6/codemirror6.bundle.mjs:1:169562
Bs/this.dispatchTransactions<@resource://devtools/client/shared/sourceeditor/codemirror6/codemirror6.bundle.mjs:1:168450
dispatch@resource://devtools/client/shared/sourceeditor/codemirror6/codemirror6.bundle.mjs:1:169233
removePositionContentMarker@resource://devtools/client/shared/sourceeditor/editor.js:1448:8
clearMarkers@resource://devtools/client/debugger/src/components/Editor/Exceptions.js:66:14
componentWillUnmount@resource://devtools/client/debugger/src/components/Editor/Exceptions.js:50:10
callComponentWillUnmountWithTimer@resource://devtools/client/shared/vendor/react-dom.js:12816:12
safelyCallComponentWillUnmount@resource://devtools/client/shared/vendor/react-dom.js:12824:40
commitUnmount@resource://devtools/client/shared/vendor/react-dom.js:13147:41
commitNestedUnmounts@resource://devtools/client/shared/vendor/react-dom.js:13178:18
unmountHostComponents@resource://devtools/client/shared/vendor/react-dom.js:13439:27
commitDeletion@resource://devtools/client/shared/vendor/react-dom.js:13498:26
commitAllHostEffects@resource://devtools/client/shared/vendor/react-dom.js:14142:25
commitRoot@resource://devtools/client/shared/vendor/react-dom.js:14344:9
completeRoot/<@resource://devtools/client/shared/vendor/react-dom.js:15731:15
unstable_runWithPriority@resource://devtools/client/shared/vendor/react.js:617:12
completeRoot@resource://devtools/client/shared/vendor/react-dom.js:15730:27
performWorkOnRoot@resource://devtools/client/shared/vendor/react-dom.js:15659:21
performWork@resource://devtools/client/shared/vendor/react-dom.js:15567:24
performSyncWork@resource://devtools/client/shared/vendor/react-dom.js:15541:14
interactiveUpdates$1@resource://devtools/client/shared/vendor/react-dom.js:15808:7
interactiveUpdates@resource://devtools/client/shared/vendor/react-dom.js:1901:10
dispatchInteractiveEvent@resource://devtools/client/shared/vendor/react-dom.js:4328:21

Still seems to happen on latest Nightly with the following STRs

Blocks: cm-next
Severity: -- → S3
Priority: -- → P2
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