ConcurrentModificationException Crash Immediately after initializing PostHog

[ubeyou]

Version

3+

Steps to Reproduce

I have initialize posthog 3+ in the App.kt

val config = PostHogAndroidConfig(
            apiKey = POSTHOG_API_KEY,
            host = POSTHOG_HOST
        )
        PostHogAndroid.setup(this, config)

Then I'm getting Crash and I can't login anymore.

java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:1111)
at java.util.ArrayList$Itr.next(ArrayList.java:1064)
at com.cisco.android.common.utils.extensions.ListExtKt.a(Unknown Source:25)
at com.cisco.android.common.utils.RootViewObserver.access$injectObserverIfNeeded(SourceFile:1)
at com.cisco.android.common.utils.RootViewObserver$c.doFrame(Unknown Source:9)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:1592)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:1603)
at android.view.Choreographer.doCallbacks(Choreographer.java:1125)
at android.view.Choreographer.doFrame(Choreographer.java:1026)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:1567)
at android.os.Handler.handleCallback(Handler.java:958)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loopOnce(Looper.java:224)
at android.os.Looper.loop(Looper.java:318)
at android.app.ActivityThread.main(ActivityThread.java:8790)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:561)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1013)

Expected Result

Able to access the app

Actual Result

App crash on start. After removing the PostHog Init, it works again. Was updating from PostHog 1 to PostHog 3 earlier.

[ubeyou]

Just to update

When I downgraded to 3.0.0, no crashes, if i put any version >= 3.1.0, there will be crash on start.

[marandaneto]

@ubeyou I wonder if it's conflicting with any dependencies.
As you can see in the stack trace, you see com.cisco.android, this is not part of our SDK.

Can you add a breakpoint to somewhere here:

java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:1111)
at java.util.ArrayList$Itr.next(ArrayList.java:1064)
at com.cisco.android.common.utils.extensions.ListExtKt.a(Unknown Source:25)
at com.cisco.android.common.utils.RootViewObserver.access$injectObserverIfNeeded(SourceFile:1)
at com.cisco.android.common.utils.RootViewObserver$c.doFrame(Unknown Source:9)

And see where this is happening? Thanks
Can you try the latest version? 3.9.3

[marandaneto]

@ubeyou any more context?