[Android] NullPointerException in AdMob SDK 6.3.0

[Kevin Yuan]

I switched to GoogleAdMobAdsSdk-6.3.0.jar yesterday and received hundreds of crach reports. I think it's time to switch back to old version.

Exception 1:

(Number of reports: some hundreds)

------------------------------------

java.lang.NullPointerException

at com.google.ads.internal.c$a.run(Unknown Source)

at android.os.Handler.handleCallback(Handler.java:725)

at android.os.Handler.dispatchMessage(Handler.java:92)

at android.os.Looper.loop(Looper.java:137)

at android.app.ActivityThread.main(ActivityThread.java:5041)

at java.lang.reflect.Method.invokeNative(Native Method)

at java.lang.reflect.Method.invoke(Method.java:511)

at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)

at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)

at dalvik.system.NativeStart.main(Native Method)

Exception 2:

(Number of reports: dozens)

------------------------------------

java.lang.RuntimeException: Unable to start activity ComponentInfo{com.mypackage/com.mypackage.MainScreen}: java.lang.NullPointerException

at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1651)

at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1667)

at android.app.ActivityThread.access$1500(ActivityThread.java:117)

at android.app.ActivityThread$H.handleMessage(ActivityThread.java:935)

at android.os.Handler.dispatchMessage(Handler.java:99)

at android.os.Looper.loop(Looper.java:123)

at android.app.ActivityThread.main(ActivityThread.java:3687)

at java.lang.reflect.Method.invokeNative(Native Method)

at java.lang.reflect.Method.invoke(Method.java:507)

at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:842)

at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:600)

at dalvik.system.NativeStart.main(Native Method)

Caused by: java.lang.NullPointerException

at com.google.ads.ak.f(Unknown Source)

at com.google.ads.ak.b(Unknown Source)

at com.google.ads.ak.a(Unknown Source)

at com.google.ads.n.<init>(Unknown Source)

at com.google.ads.internal.d.<init>(Unknown Source)

at com.google.ads.InterstitialAd.<init>(Unknown Source)

at com.google.ads.InterstitialAd.<init>(Unknown Source)

at com.mypackage.MainScreen.F(Unknown Source)

at com.mypackage.MainScreen.onCreate(Unknown Source)

at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)

at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1615)

... 11 more

[Eric Leichtenschlag]

Thanks for reporting - both look like they're our fault. They are both interstitial-related (and AdMob interstitial in particular) - banners should be unaffected.

Can you provide any additional information for the second crash what devices they occurred be on, or the line numbers for com.google.ads classes (it looks like you're proguarding your own app and it wiped the line numbers)?

Eric

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[Kevin Yuan]

Hi Eric,

You're welcome. Thanks for your response.

The 2nd crash occurs on the following devices:

HTC One X|4.1.1|htc_europe/endeavoru/endeavoru:4.1.1/JRO03C/128187.31:user/release-keys

GT-I9000|2.3.3|samsung/GT-I9000/GT-I9000:2.3.3/GINGERBREAD/XWJVH:user/release-keys

GT-I9000|2.3.3|samsung/GT-I9000/GT-I9000:2.3.3/GINGERBREAD/BOJV9:user/release-keys

LG-VM670|2.3.7|lge/thunderg/thunderg:2.3.3/GRI40/LG-P500-V20g.19C11F164C:user/release-keys

Yes, my app is proguarded. I can't see the line numbers in reports.

p.s. Why can't I reproduce any of these craches while receiving a lot of them from my users?? Please would you tell my how to reproduce the craches??

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[Eric Leichtenschlag]

Hey Kevin,

We haven't fully tracked down the second one yet. The first one happens only when an interstitial fails to load (won't happen in a success case), and even then is a special case within that scope. The good news about it being hard to reproduce is that the number of crashes for users should be less.

Thanks,

Eric

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[FiltrSoft]

I am getting the "canScrollHorizontally" error, as well.

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[Eric Leichtenschlag]

We're planning on a hotfix release for Android next week which will include fixes for the 3 bugs posted in this thread (the two interstitial crashes in the original post, and the ViewPager fix).

Thanks,

Eric

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[Sam Lu]

I am using the banner ads but my apps experience the same crash error. Here is the code stack:
Caused by: java.lang.NullPointerException
at com.google.ads.ak.f(SourceFile:341)
at com.google.ads.ak.b(SourceFile:95)
at com.google.ads.ak.a(SourceFile:69)
at com.google.ads.n.<init>(SourceFile:158)
at com.google.ads.internal.d.<init>(SourceFile:266)
at com.google.ads.AdView.a(SourceFile:508)

at com.google.ads.AdView.<init>(SourceFile:94) 

[FiltrSoft]

Should look into getting a new QA team while you're at it.

[Raj Parameswaran]

Hey all,

We just released v6.3.1 of the SDK which should address these NPEs, check it out at https://developers.google.com/mobile-ads-sdk/download.

Raj

[Anatoly Lubarsky]

Does it fix lots of ANR I've seen on 6.3.0?

 

at dalvik.system.DexClassLoader.<init>(DexClassLoader.java:57)

 

etc

[William Ferguson]

Hi Raj, just a note that 6.3.1 is not yet shipping via the Android SDK Manager downloads.

William