androidx / androidx/media

IllegalArgumentException on DefaultAnalyticsCollector

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#2,987 2 comments 0 reactions 1 assignee View on GitHub

@marcbaechinger is already working on this.

Since Jan 6, 2026.

bug needs triage
Dominant language
Java
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Description

Version

Media3 1.6.1

More version details

No response

Devices that reproduce the issue

Mostly observed on Samsung devices, but it's what majority of our users use. But the crash is observed only on Android 13 and above.

Devices that do not reproduce the issue

No response

Reproducible in the demo app?

Not tested

Reproduction steps

Not able to reproduce, only observed from Crashlytics.

Expected result
Actual result

The crash's stacktrace:

Fatal Exception: java.lang.IllegalArgumentException: Multiple entries with same key: i9.b0@7f2b9808=z8.f1@65e731dc and i9.b0@7f2b9808=z8.f1@65e731dc
       at com.google.common.collect.ImmutableMap$Builder$DuplicateKey.exception(ImmutableMap.java:713)
       at com.google.common.collect.ImmutableMap$Builder.build(ImmutableMap.java:601)
       at com.google.common.collect.ImmutableMap$Builder.buildOrThrow(ImmutableMap.java:631)
       at androidx.media3.exoplayer.analytics.DefaultAnalyticsCollector$MediaPeriodQueueTracker.updateMediaPeriodTimelines(DefaultAnalyticsCollector.java:1141)
       at androidx.media3.exoplayer.analytics.DefaultAnalyticsCollector$MediaPeriodQueueTracker.onQueueUpdated(DefaultAnalyticsCollector.java:1119)
       at androidx.media3.exoplayer.analytics.DefaultAnalyticsCollector.updateMediaPeriodQueueInfo(DefaultAnalyticsCollector.java:151)
       at androidx.media3.exoplayer.MediaPeriodQueue.lambda$notifyQueueUpdate$0(MediaPeriodQueue.java:796)
       at android.os.Handler.handleCallback(Handler.java:942)
       at android.os.Handler.dispatchMessage(Handler.java:99)
       at android.os.Looper.loopOnce(Looper.java:204)
       at android.os.Looper.loop(Looper.java:291)
       at android.app.ActivityThread.main(ActivityThread.java:8155)
       at java.lang.reflect.Method.invoke(Method.java)
       at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:601)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1136)
        
Media
Bug Report
  • You will email the zip file produced by adb bugreport to android-media-github@google.com after filing this issue.

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