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Comments
ap...@google.com
1. Have you saw crash in real device or only in simulators?
2. Do you use dynamic feature for language ID?
ru...@gmail.com
Tested on Android 12 Emulator with custom executor, but cannot repro this issue.
su...@google.com
ru...@gmail.com
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Second crash in the description is from a real device. Experienced it myself on two different Xiaomi phones, plus lots of crashes from users in the Google Play console.
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Dynamic features are not used in the application.
As a wild guess, I have downgraded build tools from 31.0.0 to 30.0.3, compileSdk from 31 to 30, and moved all work with Language ID to the service in a separate process (just to be sure that crash can kill secondary process instead of main). This combination is in beta for 2 days by now and I don't see any SIGSEGV crashes.
su...@google.com
Hmm, I feel the crash might be something related to separate/secondary process.
I also changed compileSdk and targetSDK to 31 but still cannot repro this issue.
Description
Version used: 1.0.0-beta03
Devices/Android versions reproduced on: couldn't reproduce
Fatal Exception: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.os.PowerManager$WakeLock.isHeld()' on a null object reference
at androidx.work.impl.utils.WakeLocks.checkWakeLocks(WakeLocks.java:89)
at androidx.work.impl.background.systemalarm.SystemAlarmService.onAllCommandsCompleted(SystemAlarmService.java:69)
at androidx.work.impl.background.systemalarm.SystemAlarmDispatcher.dequeueAndCheckForCompletion(SystemAlarmDispatcher.java:217)
at androidx.work.impl.background.systemalarm.SystemAlarmDispatcher$DequeueAndCheckForCompletion.run(SystemAlarmDispatcher.java:317)
at android.os.Handler.handleCallback(Handler.java:810)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:189)
at android.app.ActivityThread.main(ActivityThread.java:5529)
at java.lang.reflect.Method.invoke(Method.java)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:950)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:745)
Seems like the copy of wake locks can contain null keys. I couldn't reproduce this, but some devices on crashlytics are reporting this crash.