1574122 - Warning: Each child in a list should have a unique "key" prop.

Status: RESOLVED FIXED

(DevTools :: Debugger, defect, P2)

Description

[Jan Honza Odvarko [:Honza] (always need-info? me)]

I am seeing the following warning in the Browser Console when hitting DOM Mutation BP.

Warning: Each child in a list should have a unique "key" prop.

Check the render method of `DOMMutationBreakpointsContents`. See https://fb.me/react-warning-keys for more information.
    in li (created by DOMMutationBreakpointsContents)
    in DOMMutationBreakpointsContents (created by Connect(DOMMutationBreakpointsContents))
    in Connect(DOMMutationBreakpointsContents) (created by DomMutationBreakpoints)
    in DomMutationBreakpoints (created by Connect(DomMutationBreakpoints))
    in Connect(DomMutationBreakpoints) (created by SecondaryPanes)
    in div (created by Accordion)
    in li (created by Accordion)
    in ul (created by Accordion)
    in Accordion (created by SecondaryPanes)
    in div (created by SecondaryPanes)
    in div (created by SecondaryPanes)
    in div (created by SecondaryPanes)
    in SecondaryPanes (created by Connect(SecondaryPanes))
    in Connect(SecondaryPanes) (created by App)
    in div (created by SplitBox)
    in div (created by SplitBox)
    in SplitBox (created by App)
    in div (created by A11yIntention)
    in A11yIntention (created by App)
    in div (created by App)
    in App (created by Connect(App))
    in Connect(App)
    in Provider
    in Provider react-dev.js:276:32

Honza

Comment 1

[David Walsh :davidwalsh]

Attachment: Bug 1574122 - Provide a key for DOM Mutation breakpoint items r=jlast

Comment 2

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/1d4db40e38dd
Provide a key for DOM Mutation breakpoint items r=jlast

Comment 3

[Alexandru Michis [:malexandru]]

https://hg.mozilla.org/mozilla-central/rev/1d4db40e38dd