报错

编译运行后，就出现下面一堆信息，但是我在操作运行起来的程序却没有问题，请问这是什么情况？
11-14 08:54:54.309: E/AndroidRuntime(2948): FATAL EXCEPTION: main
11-14 08:54:54.309: E/AndroidRuntime(2948): java.lang.RuntimeException: Unable to instantiate application android.app.Application: java.lang.NullPointerException
11-14 08:54:54.309: E/AndroidRuntime(2948):  at android.app.LoadedApk.makeApplication(LoadedApk.java:482)
11-14 08:54:54.309: E/AndroidRuntime(2948):  at android.app.ActivityThread.handleBindApplication(ActivityThread.java:3938)
11-14 08:54:54.309: E/AndroidRuntime(2948):  at android.app.ActivityThread.access$1300(ActivityThread.java:123)
11-14 08:54:54.309: E/AndroidRuntime(2948):  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1185)
11-14 08:54:54.309: E/AndroidRuntime(2948):  at android.os.Handler.dispatchMessage(Handler.java:99)
11-14 08:54:54.309: E/AndroidRuntime(2948):  at android.os.Looper.loop(Looper.java:137)
11-14 08:54:54.309: E/AndroidRuntime(2948):  at android.app.ActivityThread.main(ActivityThread.java:4424)
11-14 08:54:54.309: E/AndroidRuntime(2948):  at java.lang.reflect.Method.invokeNative(Native Method)
11-14 08:54:54.309: E/AndroidRuntime(2948):  at java.lang.reflect.Method.invoke(Method.java:511)
11-14 08:54:54.309: E/AndroidRuntime(2948):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
11-14 08:54:54.309: E/AndroidRuntime(2948):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
11-14 08:54:54.309: E/AndroidRuntime(2948):  at dalvik.system.NativeStart.main(Native Method)
11-14 08:54:54.309: E/AndroidRuntime(2948): Caused by: java.lang.NullPointerException
11-14 08:54:54.309: E/AndroidRuntime(2948):  at android.app.LoadedApk.initializeJavaContextClassLoader(LoadedApk.java:362)
11-14 08:54:54.309: E/AndroidRuntime(2948):  at android.app.LoadedApk.getClassLoader(LoadedApk.java:305)
11-14 08:54:54.309: E/AndroidRuntime(2948):  at android.app.LoadedApk.makeApplication(LoadedApk.java:474)
11-14 08:54:54.309: E/AndroidRuntime(2948):  ... 11 more