I just got this error recently, and my app also "prefers external" installation. I haven't been able to reproduce the error either.
On 2 Jan, 16:09, Matteo Vega <[email protected]> wrote: > Hi, > > I have an application that's on Android Market with >10,000 users. Every > once in while (once or twice a week), I am getting a ClassNotFoundException > on the Market Developer Console for my main activity: > > java.lang.RuntimeException: Unable to instantiate activity > ComponentInfo{com.mycompany.myapp/com.mycompany.myapp.MainActivity}: > java.lang.ClassNotFoundException: com.mycompany.myapp.MainActivity in loader > dalvik.system.PathClassLoader[/mnt/asec/com.mycompany.myapp-1/pkg.apk] > at > android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2757) > at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2866) > at android.app.ActivityThread.access$2300(ActivityThread.java:140) > at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2181) > at android.os.Handler.dispatchMessage(Handler.java:99) > at android.os.Looper.loop(Looper.java:143) > at android.app.ActivityThread.main(ActivityThread.java:5097) > at java.lang.reflect.Method.invokeNative(Native Method) > at java.lang.reflect.Method.invoke(Method.java:521) > at > com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868) > at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626) > at dalvik.system.NativeStart.main(Native Method) > Caused by: java.lang.ClassNotFoundException: > com.mycompany.myapp.MainActivity in loader > dalvik.system.PathClassLoader[/mnt/asec/com.mycompany.myapp-1/pkg.apk] > at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:243) > at java.lang.ClassLoader.loadClass(ClassLoader.java:573) > at java.lang.ClassLoader.loadClass(ClassLoader.java:532) > at android.app.Instrumentation.newActivity(Instrumentation.java:1034) > at > android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2749) > ... 11 more > > Note that this application is in production and used by > 10,000 people and > MainActivity is the very first activity during startup. This error happens > very rarely, but yet it happens. I couldn't reproduce it on my developer > phone nor the emulator, so I ended up adding a default application that's > extended from Application and called before my main activity, but this time > I got the same exception for my Application class: > > java.lang.RuntimeException: Unable to instantiate application > com.mycompany.myapp.App: java.lang.ClassNotFoundException: > com.mycompany.myapp.App in loader > dalvik.system.PathClassLoader[/mnt/asec/com.mycompany.myapp-1/pkg.apk] > at > android.app.ActivityThread$PackageInfo.makeApplication(ActivityThread.java:649) > at > android.app.ActivityThread.handleBindApplication(ActivityThread.java:4232) > at android.app.ActivityThread.access$3000(ActivityThread.java:125) > at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2071) > at android.os.Handler.dispatchMessage(Handler.java:99) > at android.os.Looper.loop(Looper.java:123) > at android.app.ActivityThread.main(ActivityThread.java:4627) > at java.lang.reflect.Method.invokeNative(Native Method) > at java.lang.reflect.Method.invoke(Method.java:521) > at > com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:876) > at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:634) > at dalvik.system.NativeStart.main(Native Method) > Caused by: java.lang.ClassNotFoundException: com.mycompany.myapp.App in > loader > dalvik.system.PathClassLoader[/mnt/asec/com.mycompany.myapp-1/pkg.apk] > at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:243) > at java.lang.ClassLoader.loadClass(ClassLoader.java:573) > at java.lang.ClassLoader.loadClass(ClassLoader.java:532) > at android.app.Instrumentation.newApplication(Instrumentation.java:942) > at > android.app.ActivityThread$PackageInfo.makeApplication(ActivityThread.java:644) > ... 11 more > > This application is installed to SD Card by default and my guess is that it > might be SD Card related, so I tried to mount/unmount my SD Card to > reproduce it and still no luck. I am really puzzled at this point and trying > to find out if anyone has suggestions. ClassNotFoundException is thrown when > the app package does not contain a required class, but that's not the case > for my app. Please help :) > > Thank you, > > -Vega -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
