DexOpt相关的异常

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dvm探讨之odex绕过

DexClassLoader4.4.2动态加载分析（磁盘加载分析）

- ::36.850 D/dalvikvm( ): DexOpt: incorrect opt magic number (0xff ff ff ff)

- ::36.850 D/dalvikvm( ): ODEX file is stale or bad; removing and retrying (/data/dalvik-cache/system@app@AWCarInfo.apk@classes.dex)

- ::37.000 W/dalvikvm( ): Zip: size mismatch on inflated file ( vs )

- ::37.001 E/dalvikvm( ): Unable to extract+optimize DEX from '/system/app/AWCarInfo.apk'

- ::37.004 D/AndroidRuntime( ): Shutting down VM

- ::37.004 W/dalvikvm( ): threadid=: thread exiting with uncaught exception (group=0x40fee930)

- ::37.007 E/AndroidRuntime( ): FATAL EXCEPTION: main

- ::37.007 E/AndroidRuntime( ): java.lang.RuntimeException: Unable to instantiate application com.roadrover.carinfo.CarApplication: java.lang.ClassNotFoundException: Didn't find class "com.roadrover.carinfo.CarApplication" on path: /system/app/AWCarInfo.apk

- ::37.007 E/AndroidRuntime( ):     at android.app.LoadedApk.makeApplication(LoadedApk.java:)

- ::37.007 E/AndroidRuntime( ):     at android.app.ActivityThread.handleBindApplication(ActivityThread.java:)

- ::37.007 E/AndroidRuntime( ):     at android.app.ActivityThread.access$(ActivityThread.java:)

- ::37.007 E/AndroidRuntime( ):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:)

- ::37.007 E/AndroidRuntime( ):     at android.os.Handler.dispatchMessage(Handler.java:)

- ::37.007 E/AndroidRuntime( ):     at android.os.Looper.loop(Looper.java:)

- ::37.007 E/AndroidRuntime( ):     at android.app.ActivityThread.main(ActivityThread.java:)

- ::37.007 E/AndroidRuntime( ):     at java.lang.reflect.Method.invokeNative(Native Method)

- ::37.007 E/AndroidRuntime( ):     at java.lang.reflect.Method.invoke(Method.java:)

- ::37.007 E/AndroidRuntime( ):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:)

- ::37.007 E/AndroidRuntime( ):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:)

- ::37.007 E/AndroidRuntime( ):     at dalvik.system.NativeStart.main(Native Method)

- ::37.007 E/AndroidRuntime( ): Caused by: java.lang.ClassNotFoundException: Didn't find class "com.roadrover.carinfo.CarApplication" on path: /system/app/AWCarInfo.apk

- ::37.007 E/AndroidRuntime( ):     at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:)

- ::37.007 E/AndroidRuntime( ):     at java.lang.ClassLoader.loadClass(ClassLoader.java:)

- ::37.007 E/AndroidRuntime( ):     at java.lang.ClassLoader.loadClass(ClassLoader.java:)

- ::37.007 E/AndroidRuntime( ):     at android.app.Instrumentation.newApplication(Instrumentation.java:)

- ::37.007 E/AndroidRuntime( ):     at android.app.LoadedApk.makeApplication(LoadedApk.java:)

- ::37.007 E/AndroidRuntime( ):     ...  more

Unable to extract+optimize DEX from '/system/app/AWCarInfo.apk'
不能从 '/system/app/AWCarInfo.apk'中提取和优化DEX 文件

问题应该出在DexOpt从/data/dalvik-cache/system@app@AWCarInfo.apk@classes.dex中提取优化的ODEX 文件是过时的or坏的，所以AWCarInfo.apk无法启动。