[android] on "app exit" : Runtime exception at io.flutter.embedding.engine.FlutterJNI.ensureAttachedToNative

[hosaysg]

Below is the Flutter/Dart version I am using.

 • Flutter version 1.12.13+hotfix.5 
 • Framework revision 27321ebbad
 • Engine revision 2994f7e1e6
 • Dart version 2.7.0

Here is the crash log:

java.lang.RuntimeException: 
  at io.flutter.embedding.engine.FlutterJNI.ensureAttachedToNative (Unknown Source:9)
  at io.flutter.embedding.engine.FlutterJNI.markTextureFrameAvailable (Unknown Source:3)
  at io.flutter.embedding.engine.h.a.a (Unknown Source:2)
  at io.flutter.embedding.engine.h.a.a (Unknown Source)
  at io.flutter.embedding.engine.h.a$b$a.onFrameAvailable (Unknown Source:17)
  at android.graphics.SurfaceTexture$1.handleMessage (SurfaceTexture.java:206)
  at android.os.Handler.dispatchMessage (Handler.java:106)
  at android.os.Looper.loop (Looper.java:214)
  at android.app.ActivityThread.main (ActivityThread.java:7073)
  at java.lang.reflect.Method.invoke (Native Method)
  at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run (RuntimeInit.java:494)
  at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:965)

I am unable to reproduce this as I did not experience the issue myself. From the console, it seems to be affecting Android 8/9 users. Kindly advise how I can resolve this.

[iapicca]

Hi @hosaysg
the issue it's hardly workable without steps to reproduce
are you experiencing crashes in debug?
thank you

[hosaysg]

Hi @hosaysg
the issue it's hardly workable without steps to reproduce
are you experiencing crashes in debug?
thank you

No thus I did not know this issue exists till I check google play console. I just submitted a new version with Firebase Crashlytics but I am not sure if that is going to help.

[jmagman]

Maybe #30952. Is there an error message in the crash log in addition to that stack?

[hosaysg]

Maybe #30952. Is there an error message in the crash log in addition to that stack?

No. I did not use the connectivity package in my app.

[hosaysg]

Firebase Crashlytics doesn't help much as I am seeing the same error.

Fatal Exception: java.lang.RuntimeException: Cannot execute operation because FlutterJNI is not attached to native.
       at io.flutter.embedding.engine.FlutterJNI.ensureAttachedToNative(:9)
       at io.flutter.embedding.engine.FlutterJNI.markTextureFrameAvailable(:3)
       at io.flutter.embedding.engine.h.a.a(:2)
       at io.flutter.embedding.engine.h.a.a()
       at io.flutter.embedding.engine.h.a$b$a.onFrameAvailable(:17)
       at android.graphics.SurfaceTexture$1.handleMessage(SurfaceTexture.java:206)
       at android.os.Handler.dispatchMessage(Handler.java:106)
       at android.os.Looper.loop(Looper.java:164)
       at android.app.ActivityThread.main(ActivityThread.java:7025)
       at java.lang.reflect.Method.invoke(Method.java)
       at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:441)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1408)

[hosaysg]

Finally managed to reproduce the issue. It happens when the back button is tapped and the app exit. This is the full stack trace.

Fatal Exception: java.lang.RuntimeException: Cannot execute operation because FlutterJNI is not attached to native.
       at io.flutter.embedding.engine.FlutterJNI.ensureAttachedToNative(FlutterJNI.java:227)
       at io.flutter.embedding.engine.FlutterJNI.markTextureFrameAvailable(FlutterJNI.java:554)
       at io.flutter.embedding.engine.renderer.FlutterRenderer.markTextureFrameAvailable(FlutterRenderer.java:274)
       at io.flutter.embedding.engine.renderer.FlutterRenderer.access$300(FlutterRenderer.java:38)
       at io.flutter.embedding.engine.renderer.FlutterRenderer$SurfaceTextureRegistryEntry$1.onFrameAvailable(FlutterRenderer.java:145)
       at android.graphics.SurfaceTexture$1.handleMessage(SurfaceTexture.java:206)
       at android.os.Handler.dispatchMessage(Handler.java:106)
       at android.os.Looper.loop(Looper.java:164)
       at android.app.ActivityThread.main(ActivityThread.java:6494)
       at java.lang.reflect.Method.invoke(Method.java)
       at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807)

[iapicca]

Hi @hosaysg
since you managed to reproduce the issue
could you provide a minimal sample code or the steps to reproduce it?
thank you

possibly related to #48039