1961763 - JavaScript Tracer Panel Crash: Moving back to the trace tabs after a recording.

Status: RESOLVED DUPLICATE of bug 1927399

(DevTools :: Debugger, defect)

Description

[Nicolas B. Pierron [:nbp]]

Steps to reproduce:

• Open the devtool on the Debugger.
• Start recording a trace.
• Move to the "Search" tab next to the "Tracer".
• Move back to the "Tracer" tab.
• See the following error displayed in place of the Tracer tab content.

Error in JavaScript Tracer:

TypeError: can't access property "clientHeight", this.refs.timeline is undefined

React Component Stack:

    in Tracer
    in Connect(Tracer)
    in AppErrorBoundary
    in div
    in TabPanel
    in div
    in div
    in div
    in Tabs
    in aside
    in PrimaryPanes
    in Connect(PrimaryPanes)
    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:

renderEventsInSlider@resource://devtools/client/debugger/src/components/PrimaryPanes/Tracer.js:623:33
renderVerticalSliders@resource://devtools/client/debugger/src/components/PrimaryPanes/Tracer.js:741:21
render@resource://devtools/client/debugger/src/components/PrimaryPanes/Tracer.js:813:318
finishClassComponent@resource://devtools/client/shared/vendor/react-dom.mjs:10634:31
updateClassComponent@resource://devtools/client/shared/vendor/react-dom.mjs:10597:44
beginWork@resource://devtools/client/shared/vendor/react-dom.mjs:11415:16
performUnitOfWork@resource://devtools/client/shared/vendor/react-dom.mjs:14698:12
workLoop@resource://devtools/client/shared/vendor/react-dom.mjs:14716:24
renderRoot@resource://devtools/client/shared/vendor/react-dom.mjs:14799:15
performWorkOnRoot@resource://devtools/client/shared/vendor/react-dom.mjs:15651:17
performWork@resource://devtools/client/shared/vendor/react-dom.mjs:15563:24
performSyncWork@resource://devtools/client/shared/vendor/react-dom.mjs:15537:14
interactiveUpdates$1@resource://devtools/client/shared/vendor/react-dom.mjs:15804:7
interactiveUpdates@resource://devtools/client/shared/vendor/react-dom.mjs:1897:10
dispatchInteractiveEvent@resource://devtools/client/shared/vendor/react-dom.mjs:4324:21