eclipse - Android Maps V2 API: Authentication Failure for some users, but not all -


i'm having issue android maps v2 displaying blank screen of users. have 100k users using app, there small percentage complain can not see app (blank) no matter do. have had them restart app , clear google play store data in hopes it'll work.

i have looked @ logs(snippet below) , see classic "authorization failure". @ first thought perhaps user did not have valid internet connection, i'm checking online, plus make web calls work. suspected did not have google play services installed/enabled, do.

questions: 1. there problem using android maps v2 api in other countries not know about? 2. suspected @ 1 point these users have proxy in place, google prevent downloading map under conditions? 3. see "04-06 14:57:19.804 e/googleplayservicesutil( 7295): google play services resources not found. check project configuration ensure resources included." in logs well, have read in several locations ignore error. should more that? 3. i'm fresh out of ideas, other recommendations?

04-06 14:57:18.359 d/mainactivity( 7295): isonline() device connected 04-06 14:57:18.364 d/mainactivity( 7295): google play services available 04-06 14:57:18.384 d/dalvikvm( 7295): dexopt: --- begin 'ads-1950455566.jar' (bootstrap=0) --- 04-06 14:57:18.409 e/google maps android api( 7295): authorization failure. please see https://developers.google.com/maps/documentation/android/start how correctly set map. 04-06 14:57:18.409 e/google maps android api( 7295): ensure following correspond in api console: package name: my_package, api key: , certificate fingerprint: 04-06 14:57:18.419 i/google maps android api( 7295): failed contact google servers. attempt made when connectivity established.


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