Coroutines exceptions not logged when android:sharedUserId is set

[tsuharesu]

Right now I'm using launch blocks with Coroutines so when an UnhandledException occurs source, Android default handler can kick in and crash the app and log to Logcat. The latter is not happening.

After some research it happens that if I add android:sharedUserId="com.tsuharesu.shared" to my app Manifest.xml, Thread.getContextClassLoader() returns a dummy ClassLoader. Because of that, ServiceLoader fails to locate the resources and Thread.uncaughExceptionHandler is not called.

It looks like changing here https://github.com/Kotlin/kotlinx.coroutines/blob/master/core/kotlinx-coroutines-core/src/CoroutineExceptionHandlerImpl.kt#L13 to also use classLoader would fix it.

Sources:
https://stackoverflow.com/questions/13407006/android-class-loader-may-fail-for-processes-that-host-multiple-applications
ACRA/acra#656
ACRA/acra#657

[tsuharesu]

As a workaround, right now I'm doing this in my application:

open class TsuApplication : Application() {
    override fun onCreate() {
        // This makes it log again
        Thread.currentThread().contextClassLoader = classLoader
        super.onCreate()
    }
}

[elizarov]

Please check PR #531. Is this the solution your are proposing?

[tsuharesu]

@elizarov yes! It seems to work now. Thank you.