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javaandroidclassnotfoundexception

java.lang.ClassNotFoundException: Didn't find class "com.google.android.gms.dynamic.zzf" on path: DexPathList


I'm getting this strange error

Caused by: java.lang.ClassNotFoundException: Didn't find class "com.google.android.gms.dynamic.zzf" on path: DexPathList[[zip file "/data/app/com.dancam.chords-2/base.apk"],nativeLibraryDirectories=[/data/app/com.dancam.chords-2/lib/arm64, /system/lib64, /vendor/lib64]] at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56) at java.lang.ClassLoader.loadClass(ClassLoader.java:380) at java.lang.ClassLoader.loadClass(ClassLoader.java:312) at com.google.android.gms.internal.zzel.(Unknown Source)  at com.google.android.gms.internal.zzel.(Unknown Source)  at com.google.android.gms.internal.zzel.zzeU(Unknown Source)  at com.google.android.gms.internal.zzfh.zza(Unknown Source)  at com.google.android.gms.ads.MobileAds.initialize(Unknown Source)  at com.google.android.gms.ads.MobileAds.initialize(Unknown Source)  at dancam.com.chords.Drawer.onCreate(Drawer.java:105)  at android.app.Activity.performCreate(Activity.java:6684)  at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1119)  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2637)  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2751)  at android.app.ActivityThread.-wrap12(ActivityThread.java)  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1496)  at android.os.Handler.dispatchMessage(Handler.java:102)  at android.os.Looper.loop(Looper.java:154)  at android.app.ActivityThread.main(ActivityThread.java:6186)  at java.lang.reflect.Method.invoke(Native Method)  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:889)  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:779) 

at Drawer, line 105

MobileAds.initialize(getApplicationContext(), "ca-app-pub-nnnnnnnnnnnnnnnnnnnnnnn");

It's the first time I see this error and searching on Google I couldn't even find people talking about it.

Does any of you know why this happens and how to fix it?

MORE INFO:

After implemented the library I had to modify my build.gradle and add

defaultConfig {
 ...
 multiDexEnabled true
}

dataBinding {
 enabled = true
}

can this changes have something to do with the error?


Solution

  • I managed to fix this. I implemented firebase in my app like this

    compile 'com.google.firebase:firebase-ads:10.2.0'
    compile 'com.google.firebase:firebase-invites:10.2.0'
    compile 'com.google.firebase:firebase-crash:10.2.0'
    compile 'com.google.firebase:firebase-storage:11.0.2'
    

    the mismatch of version among this dependencies caused the app to crash. changing the last dependency to

    compile 'com.google.firebase:firebase-storage:10.2.0'
    

    fixed my problem.