Random System.ArgumentException：＆＃39; jobject＆＃39;不能是IntPtr.Zero

时间：2015-09-18 14:35:54

标签： android xamarin mvvmcross

我们在Android上随机System.ArgumentException使用Xamarin。它完全随机 - 它可以随时随地在任何平台上发生。我们在5.1,5.0,4.4.4上注册了它。

它没有足够的堆栈跟踪，它没有抛出的地方，我无法用任何东西捕获它。我认为它可能与async void有某种关系，我们在项目中使用MVVMCross，并且有许多async void Init和async void DoMvxCommand方法。但所有这些都包含在try-catch块中。

我至关重要的是需要任何建议如何修复或至少找到这次崩溃的原因。这是最新的崩溃日志

undefined   INFO:   ActivityManager : Displayed com.website.app/md599d9a15f782f9118e8e70c354562b227.SuccessPaymentView: +220ms
undefined   WARN:   ContextImpl : Calling a method in the system process without a qualified user: android.app.ContextImpl.sendBroadcast:1629 com.android.server.InputMethodManagerService$6.run:2728 java.lang.Thread.run:818 <bottom of call stack> <bottom of call stack>


undefined   WARN:   ActivityManager : mDVFSHelper.release()
undefined   INFO:   Timeline : Timeline: Activity_windows_visible id: ActivityRecord{1aca0d50 u0 com.website.app/md599d9a15f782f9118e8e70c354562b227.SuccessPaymentView t5672} time:169720248

undefined   INFO:   MonoDroid : UNHANDLED EXCEPTION:

undefined   INFO:   MonoDroid : System.ArgumentException: 'jobject' must not be IntPtr.Zero.
undefined   INFO:   MonoDroid : Parameter name: jobject
undefined   INFO:   MonoDroid : at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () <0x00028>
undefined   INFO:   MonoDroid : at System.Runtime.CompilerServices.AsyncMethodBuilderCore.<ThrowAsync>m__0 (object) <0x0003f>
undefined   INFO:   MonoDroid : at Android.App.SyncContext/<Post>c__AnonStorey0.<>m__0 () <0x00027>
undefined   INFO:   MonoDroid : at Java.Lang.Thread/RunnableImplementor.Run () <0x0003f>
undefined   INFO:   MonoDroid : at Java.Lang.IRunnableInvoker.n_Run (intptr,intptr) <0x0003b>
undefined   INFO:   MonoDroid : at (wrapper dynamic-method) object.81971695-c4eb-4dd7-9e27-0dec45822877 (intptr,intptr) <0x0003b>
undefined   DEBUG:  LockPatternUtilsCache : getCarrierLockPlusMode()
undefined   DEBUG:  LockPatternUtilsCache : value : false
undefined   WARN:   Xamarin.Insights : Warning: Unhandled exception: System.ArgumentException: 'jobject' must not be IntPtr.Zero.
undefined   WARN:   Xamarin.Insights : Parameter name: jobject
undefined   WARN:   Xamarin.Insights : at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () <0x00028>
undefined   WARN:   Xamarin.Insights : at System.Runtime.CompilerServices.AsyncMethodBuilderCore.<ThrowAsync>m__0 (object) <0x0003f>
undefined   WARN:   Xamarin.Insights : at Android.App.SyncContext/<Post>c__AnonStorey0.<>m__0 () <0x00027>
undefined   WARN:   Xamarin.Insights : at Java.Lang.Thread/RunnableImplementor.Run () <0x0003f>
undefined   WARN:   Xamarin.Insights : at Java.Lang.IRunnableInvoker.n_Run (intptr,intptr) <0x0003b>
undefined   WARN:   Xamarin.Insights : at (wrapper dynamic-method) object.81971695-c4eb-4dd7-9e27-0dec45822877 (intptr,intptr) <0x0003b>

undefined   WARN:   art : JNI RegisterNativeMethods: attempt to register 0 native methods for md52ce486a14f4bcd95899665e9d932190b.JavaProxyThrowable
undefined   DEBUG:  AndroidRuntime : Shutting down VM
undefined   WARN:   System.err : java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
undefined   WARN:   System.err : at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1194)
undefined   WARN:   System.err : Caused by: java.lang.reflect.InvocationTargetException
undefined   WARN:   System.err : at java.lang.reflect.Method.invoke(Native Method)
undefined   WARN:   System.err : at java.lang.reflect.Method.invoke(Method.java:372)
undefined   WARN:   System.err : at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1399)
undefined   WARN:   System.err : ... 1 more
undefined   WARN:   System.err : Caused by: md52ce486a14f4bcd95899665e9d932190b.JavaProxyThrowable: System.ArgumentException: 'jobject' must not be IntPtr.Zero.
undefined   WARN:   System.err : Parameter name: jobject
undefined   WARN:   System.err : at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () <0x00028>
undefined   WARN:   System.err : at System.Runtime.CompilerServices.AsyncMethodBuilderCore.<ThrowAsync>m__0 (object) <0x0003f>
undefined   WARN:   System.err : at Android.App.SyncContext/<Post>c__AnonStorey0.<>m__0 () <0x00027>
undefined   WARN:   System.err : at Java.Lang.Thread/RunnableImplementor.Run () <0x0003f>
undefined   WARN:   System.err : at Java.Lang.IRunnableInvoker.n_Run (intptr,intptr) <0x0003b>
undefined   WARN:   System.err : at (wrapper dynamic-method) object.81971695-c4eb-4dd7-9e27-0dec45822877 (intptr,intptr) <0x0003b>
undefined   WARN:   System.err : at mono.java.lang.RunnableImplementor.n_run(Native Method)
undefined   WARN:   System.err : at mono.java.lang.RunnableImplementor.run(RunnableImplementor.java:29)
undefined   WARN:   System.err : at android.os.Handler.handleCallback(Handler.java:739)
undefined   WARN:   System.err : at android.os.Handler.dispatchMessage(Handler.java:95)
undefined   WARN:   System.err : at android.os.Looper.loop(Looper.java:145)
undefined   WARN:   System.err : at android.app.ActivityThread.main(ActivityThread.java:5832)
undefined   WARN:   System.err : ... 4 more
undefined   WARN:   FlurryAgent : Error logged: uncaught
undefined   WARN:   FlurryAgent : Flurry session ended
undefined   ERROR:  AndroidRuntime : FATAL EXCEPTION: main
undefined   ERROR:  AndroidRuntime : Process: com.website.app, PID: 27622
undefined   ERROR:  AndroidRuntime : java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
undefined   ERROR:  AndroidRuntime : at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1194)
undefined   ERROR:  AndroidRuntime : Caused by: java.lang.reflect.InvocationTargetException
undefined   ERROR:  AndroidRuntime : at java.lang.reflect.Method.invoke(Native Method)
undefined   ERROR:  AndroidRuntime : at java.lang.reflect.Method.invoke(Method.java:372)
undefined   ERROR:  AndroidRuntime : at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1399)
undefined   ERROR:  AndroidRuntime : ... 1 more
undefined   ERROR:  AndroidRuntime : Caused by: md52ce486a14f4bcd95899665e9d932190b.JavaProxyThrowable: System.ArgumentException: 'jobject' must not be IntPtr.Zero.
undefined   ERROR:  AndroidRuntime : Parameter name: jobject
undefined   ERROR:  AndroidRuntime : at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () <0x00028>
undefined   ERROR:  AndroidRuntime : at System.Runtime.CompilerServices.AsyncMethodBuilderCore.<ThrowAsync>m__0 (object) <0x0003f>
undefined   ERROR:  AndroidRuntime : at Android.App.SyncContext/<Post>c__AnonStorey0.<>m__0 () <0x00027>
undefined   ERROR:  AndroidRuntime : at Java.Lang.Thread/RunnableImplementor.Run () <0x0003f>
undefined   ERROR:  AndroidRuntime : at Java.Lang.IRunnableInvoker.n_Run (intptr,intptr) <0x0003b>
undefined   ERROR:  AndroidRuntime : at (wrapper dynamic-method) object.81971695-c4eb-4dd7-9e27-0dec45822877 (intptr,intptr) <0x0003b>
undefined   ERROR:  AndroidRuntime : at mono.java.lang.RunnableImplementor.n_run(Native Method)
undefined   ERROR:  AndroidRuntime : at mono.java.lang.RunnableImplementor.run(RunnableImplementor.java:29)
undefined   ERROR:  AndroidRuntime : at android.os.Handler.handleCallback(Handler.java:739)
undefined   ERROR:  AndroidRuntime : at android.os.Handler.dispatchMessage(Handler.java:95)
undefined   ERROR:  AndroidRuntime : at android.os.Looper.loop(Looper.java:145)
undefined   ERROR:  AndroidRuntime : at android.app.ActivityThread.main(ActivityThread.java:5832)
undefined   ERROR:  AndroidRuntime : ... 4 more
undefined   WARN:   ActivityManager : Force finishing activity com.website.app/md599d9a15f782f9118e8e70c354562b227.SuccessPaymentView

undefined   DEBUG:  PowerManagerService : [input device light] setInputDeviceLightOn is called : 1
undefined   WARN:   ActivityManager : Force finishing activity com.website.app/md599d9a15f782f9118e8e70c354562b227.PaymentFormView
undefined   INFO:   SQLiteSecureOpenHelper : getWritableDatabase(pwd)
undefined   INFO:   SQLiteSecureOpenHelper : getDatabaseLocked(b,b,pwd)...

undefined   INFO:   dumpstate : begin

undefined   DEBUG:  StatusBarManagerService : manageDisableList userId=0 what=0x0 pkg=WindowManager.LayoutParams

undefined   INFO:   SurfaceFlinger : id=3018 createSurf (49x49),1 flag=4, Application Error: com.website.app

undefined   DEBUG:  CrashAnrDetector : processName: com.website.app
undefined   DEBUG:  CrashAnrDetector : broadcastEvent : com.website.app data_app_crash
undefined   INFO:   SQLiteSecureOpenHelper : getWritableDatabase(pwd)
undefined   INFO:   SQLiteSecureOpenHelper : getDatabaseLocked(b,b,pwd)...

undefined   WARN:   ContextImpl : Calling a method in the system process without a qualified user: android.app.ContextImpl.sendBroadcast:1643 com.android.server.analytics.data.collection.application.CrashAnrDetector.broadcastEvent:296 com.android.server.analytics.data.collection.application.CrashAnrDetector.processDropBoxEntry:254 com.android.server.analytics.data.collection.application.CrashAnrDetector.access$100:60 com.android.server.analytics.data.collection.application.CrashAnrDetector$1.onReceive:102

undefined   INFO:   WifiStateMachine : CMD_RSSI_POLL : calculateWifiScore in!
undefined   INFO:   WifiStateMachine : CMD_RSSI_POLL : calculateWifiScore out!
undefined   INFO:   WifiStateMachine : CMD_RSSI_POLL : out!

undefined   ERROR:  android.os.Debug : !@Dumpstate > sdumpstate -k -t -z -d -o /data/log/dumpstate_app_error

1 个答案:

答案 0 :(得分：5)

我有一个非常类似的问题，Android抛出NullRefenceException似乎是随机的（这实际上是因为事情是异步/并发运行）并且它们永远不会在正确的位置破坏而且StackTrace完全没用。请参阅主题和解决方案here。

无论如何，让我找出问题的解决方案的两部分是：

  1. 在Visual Studio中打开设置以中断/抛出特定异常。为此，请前往this post。帖子描述了去Visual Studio - ＆gt;调试 - ＆gt;例外情况......（或Ctrl + Alt + E）

    2. 然后，要查找该例外情况，请展开“公共语言运行时例外”＆＃39; - ＆GT; ＆＃39;系统＆＃39; - ＆GT;然后检查“投掷”＆＃39;框下一步＆＃39; System.ArgumentException＆＃39;。现在，希望能够突破实际发生异常的界限。此外，一旦问题得到解决，你肯定会想要关闭它，这样你就不会开始遇到你真正不需要处理的异常。

    1. 覆盖Android的异常处理程序事件，名为UnhandledExceptionRaiser，然后在事件中设置断点，以帮助您在应用崩溃之前捕获其中一些异常。事件信息可以在this post中找到（我最终只是将该事件放入MainActivity.cs。

      2. 这是我的异常事件代码：

      AndroidEnvironment.UnhandledExceptionRaiser += (sender, args) => {
    args.Handled = false;
};

      我只是在args.Handled上设置一个断点并查看详细信息，但您也可以打印出异常或其他内容。

      1. 最后，我自己发现但又听到其他人提到的另一件事是，您通常可以通过挖掘异常详细信息并查找captured_traces来找到更有用的异常源信息。

        2. 要找到这个，您需要在异常详细信息窗口中继续扩展异常实例的base属性，直到您处于System.Exception。然后按照以下步骤操作（尽管有时您必须在执行以下步骤之前进入内部异常）：

        System.Exception - ＆gt; Non-public members - ＆gt; captured_traces - ＆gt;那么你通常想要[0]，但有时还有其他人需要查看 - ＆gt; Non-public members - ＆gt; frames - ＆gt;现在你通常要么[0]要么你想要列表中的最后一个 - ＆gt; Non-public members - ＆gt;最后，您将能够看到fileName属性中的文件以及＆＃39; lineNumber＆＃39;中的行号。财产（想象一下）。

        现在我确信有一种奇特的方法可以通过反射或其他东西来提取这些信息，而无需深入了解异常细节。如果有人知道如何，我很乐意听到它！

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