Just to make sure, are you using obfuscation, and if yes, are you sure this classname isn't altered?
-- H On Jun 24, 2012 9:46 AM, "Build Account" <newandroi...@gmail.com> wrote: > First, thank you for your note. > but that is a kind of blinded name from commercial offical name on Google > Play > to post on here. > The point is that, > So far, nobody know the solution how to solve this serious problem > even on Gingerbread. > > Google guy must answer and announce a solution to solve this issue. > > Anyone else who know about this? > > > On Sunday, June 24, 2012 7:33:52 AM UTC+9, RichardC wrote: >> >> Unless this is just a test application I would really rename your >> package. "com.company.appname" is technically legal but it >> is definitely not a good globally unique name. >> >> On Saturday, June 23, 2012 10:51:50 PM UTC+1, Build Account wrote: >>> >>> Hello. >>> >>> If app has well defined BackupAgent class with definition in manifest, >>> the error suddenly occur randomly. >>> (signed/unsiged same but maybe not debug mode). >>> >>> I tried find solution through web, >>> but everybody screaming about this error with no answer. >>> The sample reference links from Stackoverflow are below >>> -http://stackoverflow.com/**questions/7506981/how-come-i-** >>> get-classnotfoundexception-**when-backupagent-tries-to-**start<http://stackoverflow.com/questions/7506981/how-come-i-get-classnotfoundexception-when-backupagent-tries-to-start> >>> -http://stackoverflow.com/**questions/7641765/mysterious-** >>> classnotfoundexception-when-**android-system-engage-**backupagent<http://stackoverflow.com/questions/7641765/mysterious-classnotfoundexception-when-android-system-engage-backupagent> >>> -http://stackoverflow.com/**questions/6147241/android-app-** >>> classnotfoundexception-for-**main-activity<http://stackoverflow.com/questions/6147241/android-app-classnotfoundexception-for-main-activity> >>> -http://stackoverflow.com/**questions/3781151/java-lang-** >>> classnotfoundexception-on-**working-app<http://stackoverflow.com/questions/3781151/java-lang-classnotfoundexception-on-working-app> >>> (and you can find more with keywords 'backupagent >>> classnotfoundexception') >>> >>> Does anyone know solution to avoid this unexpected error?? >>> (All the source code and manifest is all okay surely). >>> >>> Here is the log file. >>> ------------------------------**-- >>> E/ActivityThread(1954): Agent threw during creation: >>> java.lang.**ClassNotFoundException: >>> com.company.appname.**mybackuphelper in loader >>> dalvik.system.PathClassLoader[**/data/app/com.company.appname-**1.apk] >>> W/dalvikvm(1954): threadid=1: thread exiting with uncaught exception >>> (group=0x4001e578) >>> E/AndroidRuntime(1954): FATAL EXCEPTION: main >>> E/AndroidRuntime(1954): java.lang.RuntimeException: Unable to create >>> BackupAgent com.company.appname.**mybackuphelper: >>> java.lang.**ClassNotFoundException: >>> com.company.appname.**mybackuphelper in loader >>> dalvik.system.PathClassLoader[**/data/app/com.company.appname-**1.apk] >>> E/AndroidRuntime(1954): at android.app.ActivityThread.** >>> handleCreateBackupAgent(**ActivityThread.java:1895) >>> E/AndroidRuntime(1954): at android.app.ActivityThread.** >>> access$3200(ActivityThread.**java:117) >>> E/AndroidRuntime(1954): at android.app.ActivityThread$H.** >>> handleMessage(ActivityThread.**java:1030) >>> E/AndroidRuntime(1954): at android.os.Handler.** >>> dispatchMessage(Handler.java:**99) >>> E/AndroidRuntime(1954): at android.os.Looper.loop(Looper.**java:130) >>> E/AndroidRuntime(1954): at android.app.ActivityThread.** >>> main(ActivityThread.java:3687) >>> E/AndroidRuntime(1954): at >>> java.lang.reflect.Method.**invokeNative(Native >>> Method) >>> E/AndroidRuntime(1954): at java.lang.reflect.Method.** >>> invoke(Method.java:507) >>> E/AndroidRuntime(1954): at com.android.internal.os.**ZygoteInit$** >>> MethodAndArgsCaller.run(**ZygoteInit.java:847) >>> E/AndroidRuntime(1954): at com.android.internal.os.** >>> ZygoteInit.main(ZygoteInit.**java:605) >>> E/AndroidRuntime(1954): at dalvik.system.NativeStart.**main(Native >>> Method) >>> E/AndroidRuntime(1954): Caused by: java.lang.**ClassNotFoundException: >>> com.company.appname.**mybackuphelper in loader >>> dalvik.system.PathClassLoader[**/data/app/com.company.appname-**1.apk] >>> E/AndroidRuntime(1954): at dalvik.system.PathClassLoader.** >>> findClass(PathClassLoader.**java:240) >>> E/AndroidRuntime(1954): at java.lang.ClassLoader.** >>> loadClass(ClassLoader.java:**551) >>> E/AndroidRuntime(1954): at java.lang.ClassLoader.** >>> loadClass(ClassLoader.java:**511) >>> E/AndroidRuntime(1954): at android.app.ActivityThread.** >>> handleCreateBackupAgent(**ActivityThread.java:1864) >>> E/AndroidRuntime(1954): ... 10 more >>> W/asset(143): Asset path /data/app/com.company.appname-**1.apk is >>> neither a directory nor file (type=1). >>> W/PackageManager(143): Failure retrieving resources >>> forcom.company.appname >>> E/(143): Dumpstate > /data/log/dumpstate_app_error >>> >>> -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to android-developers@googlegroups.com > To unsubscribe from this group, send email to > android-developers+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en -- You received this message because you are subscribed to the Google Groups "Android Developers" group. 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