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 I’m reaching out regarding an issue I’ve encountered while using the com.google.android.libraries.navigation:navigation:5.5.2 library.

The error in question appears to be a Fatal Exception: java.lang.IllegalStateException: Task was cancelled, and it occurs under circumstances that I haven’t been able to definitively isolate. Below is the stack trace for reference:

Fatal Exception: java.lang.IllegalStateException: Task was cancelled.
       at com.google.android.libraries.navigation.internal.rc.a.a(PG:1)
       at com.google.android.libraries.navigation.internal.zk.at.run(PG:4)
       at android.os.Handler.handleCallback(Handler.java:984)
       at android.os.Handler.dispatchMessage(Handler.java:104)
       at android.os.Looper.loopOnce(Looper.java:238)
       at android.os.Looper.loop(Looper.java:357)
       at android.app.ActivityThread.main(ActivityThread.java:8194)
       at java.lang.reflect.Method.invoke(Method.java)
       at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:548)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:957)

I suspect the issue could originate from one of three possible areas, but even when I wrap the suspected code in a try-catch block, the application still crashes. At this point, I’m unable to determine the root cause and was hoping you might provide some insights or suggestions on how to proceed. The three areas I would assume would be

1. mPendingRoute?.cancel(true)
2. Waypoint.builder().setLatLng(lat, lng).build()
3. mNavigatior?.currentTimeAndDistance

Here is the code that I'm calling the waypoint builder

mRoutingOptions = RoutingOptions()
        mRoutingOptions?.let { routingOptions ->
            routingOptions.travelMode(RoutingOptions.TravelMode.DRIVING)
            val destination: Waypoint = try {
                Waypoint.builder().setLatLng(lat, lng).build()
            } catch (e: Waypoint.UnsupportedPlaceIdException) {
                Log.e("EstimatedTimeArrivalRepository", "UnsupportedPlaceIdException")
                sendEvent()
                return
            }

Here is where I mPendingRoute cancel
        etaJob?.cancel()
        mNavigator?.stopGuidance()
        mNavigator ?: return
        try {
            mPendingRoute?.cancel(true)
        } catch (e: Exception) {
            Log.e("NavigationRepository", "cancel pending route with exception: ${e.message}")
        } finally {
            mPendingRoute = null
        }

This is when I'm calling the the currentTimeAndDistance method
mNavigator?.let {
            val timeAndDistance = it.currentTimeAndDistance
}