NullPointerexception在android.support.v4.app.FragmentManagerImpl.makeInactive

我在Android支持库中看到一个奇怪的exception – 堆栈跟踪如下。 任何想法可能导致这个? 我无法在我的任何设备上重现该例外情况,但Google Play DevConsole中似乎有不less可见的例外情况。

java.lang.NullPointerException at android.support.v4.app.FragmentManagerImpl.makeInactive(FragmentManager.java:1133) at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1044) at android.support.v4.app.FragmentManagerImpl.removeFragment(FragmentManager.java:1171) at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:582) at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1416) at android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:420) at android.os.Handler.handleCallback(Handler.java:608) at android.os.Handler.dispatchMessage(Handler.java:92) at android.os.Looper.loop(Looper.java:156) at android.app.ActivityThread.main(ActivityThread.java:5045) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:511) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551) at dalvik.system.NativeStart.main(Native Method) 

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