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Uncaught FirebaseError: Performance: Custom metric name _fp is invalid (performance/invalide custom metric name) #2108

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henrylearn2rock opened this issue Aug 23, 2019 · 3 comments
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Uncaught FirebaseError: Performance: Custom metric name _fp is invalid (performance/invalide custom metric name) #2108

henrylearn2rock opened this issue Aug 23, 2019 · 3 comments
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@alikn
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api: performance

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@henrylearn2rock
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[REQUIRED] Describe your environment

  • Operating System version: Win10
  • Browser version: Chrome Version 76.0.3809.100 (Official Build) (64-bit)
  • Firebase SDK version: 6.4.1
  • Firebase Product: performance

[REQUIRED] Describe the problem

Steps to reproduce:

exception is thrown on load

index.cjs.js?6d09:1001 Uncaught FirebaseError: Performance: Custom metric name _fp is invalid (performance/invalide custom metric name).
    at Trace.putMetric (webpack-internal:///./node_modules/@firebase/performance/dist/index.cjs.js:1001:33)
    at Trace.incrementMetric (webpack-internal:///./node_modules/@firebase/performance/dist/index.cjs.js:986:18)
    at Function.Trace.createOobTrace (webpack-internal:///./node_modules/@firebase/performance/dist/index.cjs.js:1098:23)
    at eval (webpack-internal:///./node_modules/@firebase/performance/dist/index.cjs.js:1209:23)
    at eval (webpack-internal:///./node_modules/first-input-delay/src/first-input-delay.js:68:9)
    at Array.forEach (<anonymous>)
    at reportFirstInputDelayIfRecordedAndValid (webpack-internal:///./node_modules/first-input-delay/src/first-input-delay.js:67:17)
    at recordFirstInputDelay (webpack-internal:///./node_modules/first-input-delay/src/first-input-delay.js:51:7)
    at onInput (webpack-internal:///./node_modules/first-input-delay/src/first-input-delay.js:142:9)

Relevant Code:

none needed
@google-oss-bot
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I couldn't figure out how to label this issue, so I've labeled it for a human to triage. Hang tight.

@bogacg
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bogacg commented Aug 23, 2019

I did report same error in @angular/fire since I am using it with Angular and it got updated same day so wasn't really sure which lib is the incompatible one. In my case it happened when service worker is introduced in the mix. angular/angularfire#2154

@alikn
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alikn commented Aug 25, 2019

Thanks for reporting the issue. Please update to the latest version. It should be fixed as of this pr:
#2110

@alikn alikn closed this as completed Aug 25, 2019
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@henrylearn2rock @Feiyang1 @bogacg @alikn @google-oss-bot