Two similar NPEs occurring in Nearby feature during the sort by distance step:

java.lang.NullPointerException
at android.location.Location.distanceTo(Location.java:426)
at org.wikipedia.beta.nearby.NearbyActivity.getDistance(NearbyActivity.java:351)
at org.wikipedia.beta.nearby.NearbyActivity.access$500(NearbyActivity.java:53)
at org.wikipedia.beta.nearby.NearbyActivity$6.compare(NearbyActivity.java:345)
at org.wikipedia.beta.nearby.NearbyActivity$6.compare(NearbyActivity.java:343)
at java.util.TimSort.binarySort(TimSort.java:261)
at java.util.TimSort.sort(TimSort.java:204)
at java.util.TimSort.sort(TimSort.java:169)
at java.util.Arrays.sort(Arrays.java:2038)
at java.util.Collections.sort(Collections.java:1891)
at org.wikipedia.beta.nearby.NearbyActivity.sortByDistance(NearbyActivity.java:343)
at org.wikipedia.beta.nearby.NearbyActivity.showNearbyPages(NearbyActivity.java:316)
at org.wikipedia.beta.nearby.NearbyActivity.access$300(NearbyActivity.java:53)
at org.wikipedia.beta.nearby.NearbyActivity$5.onFinish(NearbyActivity.java:235)
at org.wikipedia.beta.nearby.NearbyActivity$5.onFinish(NearbyActivity.java:232)
at org.wikipedia.beta.concurrency.SaneAsyncTask$BackingAsyncTask.onPostExecute(SaneAsyncTask.java:121)
at org.wikipedia.beta.concurrency.AsyncTask.finish(AsyncTask.java:642)
at org.wikipedia.beta.concurrency.AsyncTask.access$600(AsyncTask.java:187)
at org.wikipedia.beta.concurrency.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:655)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:176)
at android.app.ActivityThread.main(ActivityThread.java:5419)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:525)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1046)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:862)
at dalvik.system.NativeStart.main(Native Method)

OTRS:
https://ticket.wikimedia.org/otrs/index.pl?Action=AgentTicketZoom&TicketID=7818998
https://ticket.wikimedia.org/otrs/index.pl?Action=AgentTicketZoom&TicketID=7819051
https://ticket.wikimedia.org/otrs/index.pl?Action=AgentTicketZoom&TicketID=7819170

The other variation:
java.lang.NullPointerException: Attempt to read from field 'double android.location.Location.mLatitude' on a null object reference
at android.location.Location.distanceTo(Location.java:426)
at org.wikipedia.beta.nearby.NearbyActivity.getDistance(NearbyActivity.java:351)
[...] rest is the same

OTRS:
https://ticket.wikimedia.org/otrs/index.pl?Action=AgentTicketZoom&TicketID=7819444
https://ticket.wikimedia.org/otrs/index.pl?Action=AgentTicketZoom&TicketID=7819030

Version: Beta
Severity: normal