WIN DEATH: android.osDeadObjectException 是什么意思?

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我正在旧版 Android 上测试我的应用.它在 Android 4.4.4 上运行良好，但 4.3 似乎在打开应用程序后立即崩溃.我不知道这个错误是什么意思:

I am testing my app on older Android versions. It runs fine on Android 4.4.4, but 4.3 seems to crash immediately upon opening the app. I have no idea what this error means:

W/dalvikvm( 9296): Invalid indirect reference 0xa4fdcc00 in decodeIndirectRef I/dalvikvm( 9296): "main" prio=5 tid=1 RUNNABLE I/dalvikvm( 9296): | group="main" sCount=0 dsCount=0 obj=0xa4b86480 self=0xb79b6bd0 I/dalvikvm( 9296): | sysTid=9296 nice=-4 sched=0/0 cgrp=[fopen-error:2] handle=-1217191904 I/dalvikvm( 9296): | state=R schedstat=( 172387119 425972608 908 ) utm=10 stm=6 core=0 I/dalvikvm( 9296): at android.webkit.CookieManagerClassic.nativeAcceptCookie(Native Method) I/dalvikvm( 9296): at android.webkit.CookieManagerClassic.acceptCookie(CookieManagerClassic.java:49) I/dalvikvm( 9296): at com.facebook.ads.internal.f.e.<init>((null):-1) I/dalvikvm( 9296): at com.facebook.ads.internal.f.e.a((null):-1) I/dalvikvm( 9296): at com.facebook.ads.internal.server.c.a((null):-1) I/dalvikvm( 9296): at com.facebook.ads.internal.server.c.a((null):-1) I/dalvikvm( 9296): at com.facebook.ads.internal.server.a.a((null):-1) I/dalvikvm( 9296): at com.facebook.ads.internal.server.a.a((null):-1) I/dalvikvm( 9296): at com.facebook.ads.internal.server.a$2.a((null):-1) I/dalvikvm( 9296): at com.facebook.ads.internal.i.a.h.a((null):-1) I/dalvikvm( 9296): at com.facebook.ads.internal.i.a.h.onPostExecute((null):-1) I/dalvikvm( 9296): at android.os.AsyncTask.finish(AsyncTask.java:631) I/dalvikvm( 9296): at android.os.AsyncTask.access$600(AsyncTask.java:177) I/dalvikvm( 9296): at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:644) I/dalvikvm( 9296): at android.os.Handler.dispatchMessage(Handler.java:99) I/dalvikvm( 9296): at android.os.Looper.loop(Looper.java:137) I/dalvikvm( 9296): at android.app.ActivityThread.main(ActivityThread.java:5103) I/dalvikvm( 9296): at java.lang.reflect.Method.invokeNative(Native Method) I/dalvikvm( 9296): at java.lang.reflect.Method.invoke(Method.java:525) I/dalvikvm( 9296): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737) I/dalvikvm( 9296): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553) I/dalvikvm( 9296): at dalvik.system.NativeStart.main(Native Method) I/dalvikvm( 9296): E/dalvikvm( 9296): VM aborting F/libc ( 9296): Fatal signal 11 (SIGSEGV) at 0xdeadd00d (code=1), thread 9296 (mycompany.myapp) I/DEBUG ( 3470): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** I/DEBUG ( 3470): Build fingerprint: 'generic/vbox86p/vbox86p:4.3/JLS36G/eng.genymotion.20160825.132445:userdebug/test-keys' I/DEBUG ( 3470): Revision: '0' I/DEBUG ( 3470): pid: 9296, tid: 9296, name: mycompany.myapp >>> com.mycompany.myapp <<< I/DEBUG ( 3470): signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr deadd00d I/DEBUG ( 3470): I/DEBUG ( 3470): backtrace: I/DEBUG ( 3470): #00 pc 00071022 /system/lib/libdvm.so (dvmAbort+194) I/DEBUG ( 3470): #01 pc 0007605d /system/lib/libdvm.so (_Z20dvmDecodeIndirectRefP6ThreadP8_jobject.part.36+77) I/DEBUG ( 3470): #02 pc 0007d8c1 /system/lib/libdvm.so (GetStringUTFChars(_JNIEnv*, _jstring*, unsigned char*)+97) I/DEBUG ( 3470): #03 pc 00535321 /system/lib/libwebcore.so (android::jstringToStdString(_JNIEnv*, _jstring*)+81) I/DEBUG ( 3470): #04 pc 00512d18 /system/lib/libwebcore.so (android::databaseDirectory(bool)+1048) I/DEBUG ( 3470): #05 pc ffffffff <unknown> I/DEBUG ( 3470): I/DEBUG ( 3470): stack: I/DEBUG ( 3470): bf808b60 00000000 I/DEBUG ( 3470): bf808b64 00000000 I/DEBUG ( 3470): bf808b68 00000000 I/DEBUG ( 3470): bf808b6c 00000000 I/DEBUG ( 3470): bf808b70 00000000 I/DEBUG ( 3470): bf808b74 00000000 I/DEBUG ( 3470): bf808b78 00000000 I/DEBUG ( 3470): bf808b7c 00000000 I/DEBUG ( 3470): bf808b80 00000000 I/DEBUG ( 3470): bf808b84 00000000 I/DEBUG ( 3470): bf808b88 00000000 I/DEBUG ( 3470): bf808b8c 00000000 I/DEBUG ( 3470): bf808b90 00000000 I/DEBUG ( 3470): bf808b94 00000000 I/DEBUG ( 3470): bf808b98 00000000 I/DEBUG ( 3470): bf808b9c 46505845 I/DEBUG ( 3470): #00 bf808ba0 00000000 I/DEBUG ( 3470): bf808ba4 b6137421 /system/lib/libdvm.so I/DEBUG ( 3470): bf808ba8 b6138894 /system/lib/libdvm.so I/DEBUG ( 3470): bf808bac 00000000 I/DEBUG ( 3470): bf808bb0 b7c8ad28 [heap] I/DEBUG ( 3470): bf808bb4 b6137421 /system/lib/libdvm.so I/DEBUG ( 3470): bf808bb8 b613790b /system/lib/libdvm.so I/DEBUG ( 3470): bf808bbc 6c756e28 I/DEBUG ( 3470): bf808bc0 0000296c I/DEBUG ( 3470): bf808bc4 00000000 I/DEBUG ( 3470): bf808bc8 00000000 I/DEBUG ( 3470): bf808bcc 00000000 I/DEBUG ( 3470): bf808bd0 00000000 I/DEBUG ( 3470): bf808bd4 00000000 I/DEBUG ( 3470): bf808bd8 00000000 I/DEBUG ( 3470): bf808bdc 00000000 I/DEBUG ( 3470): ........ ........ I/DEBUG ( 3470): #01 bf808dd0 b79b6bd0 [heap] I/DEBUG ( 3470): bf808dd4 00000000 I/DEBUG ( 3470): bf808dd8 b6145838 /system/lib/libdvm.so I/DEBUG ( 3470): bf808ddc a4fdcc00 /dev/ashmem/dalvik-heap (deleted) I/DEBUG ( 3470): bf808de0 b79b6bd0 [heap] I/DEBUG ( 3470): bf808de4 b603a016 /system/lib/libdvm.so (_Z20dvmDecodeIndirectRefP6ThreadP8_jobject.part.36+6) I/DEBUG ( 3470): bf808de8 b6185ccc /system/lib/libdvm.so I/DEBUG ( 3470): bf808dec b60418c2 /system/lib/libdvm.so (GetStringUTFChars(_JNIEnv*, _jstring*, unsigned char*)+98) I/DEBUG ( 3470): #02 bf808df0 b79b6bd0 [heap] I/DEBUG ( 3470): bf808df4 a4fdcc00 /dev/ashmem/dalvik-heap (deleted) I/DEBUG ( 3470): bf808df8 00000012 I/DEBUG ( 3470): bf808dfc b6059b79 /system/lib/libdvm.so (dvmChangeStatus(Thread*, ThreadStatus)+25) I/DEBUG ( 3470): bf808e00 b75a06c0 I/DEBUG ( 3470): bf808e04 99aa3734 /system/lib/libwebcore.so I/DEBUG ( 3470): bf808e08 00000016 I/DEBUG ( 3470): bf808e0c b6059b79 /system/lib/libdvm.so (dvmChangeStatus(Thread*, ThreadStatus)+25) I/DEBUG ( 3470): bf808e10 b79b6bd0 [heap] I/DEBUG ( 3470): bf808e14 0000003c I/DEBUG ( 3470): bf808e18 bf808e00 [stack] I/DEBUG ( 3470): bf808e1c 00000001 I/DEBUG ( 3470): bf808e20 00000000 I/DEBUG ( 3470): bf808e24 9ddfb748 /dev/ashmem/dalvik-LinearAlloc (deleted) I/DEBUG ( 3470): bf808e28 0000000c I/DEBUG ( 3470): bf808e2c 99e8a174 /system/lib/libwebcore.so I/DEBUG ( 3470): ........ ........ I/DEBUG ( 3470): I/DEBUG ( 3470): memory map around fault addr deadd00d: I/DEBUG ( 3470): bf7ea000-bf80b000 rw- [stack] I/DEBUG ( 3470): (no map for address) I/DEBUG ( 3470): (no map above) I/BootReceiver( 332): Copying /data/tombstones/tombstone_06 to DropBox (SYSTEM_TOMBSTONE) W/ActivityManager( 332): Force finishing activity com.mycompany.myapp/.MainActivity W/InputDispatcher( 332): channel '529a1e7c com.mycompany.myapp/com.mycompany.myapp.MainActivity (server)' ~ Consumer closed input channel or an error occurred. events=0x9 E/InputDispatcher( 332): channel '529a1e7c com.mycompany.myapp/com.mycompany.myapp.MainActivity (server)' ~ Channel is unrecoverably broken and will be disposed! D/ ( 332): HostConnection::get() New Host Connection established 0xb7a01f78, tid 9372 D/Zygote ( 172): Process 9296 terminated by signal (11) D/dalvikvm( 332): GC_FOR_ALLOC freed 2427K, 56% free 11576K/25772K, paused 11ms, total 12ms W/InputDispatcher( 332): Attempted to unregister already unregistered input channel '529a1e7c com.mycompany.myapp/com.mycompany.myapp.MainActivity (server)' I/WindowState( 332): WIN DEATH: Window{529a1e7c u0 com.mycompany.myapp/com.mycompany.myapp.MainActivity} W/ActivityManager( 332): Exception thrown during pause W/ActivityManager( 332): android.os.DeadObjectException W/ActivityManager( 332): at android.os.BinderProxy.transact(Native Method) W/ActivityManager( 332): at android.app.ApplicationThreadProxy.schedulePauseActivity(ApplicationThreadNative.java:635) W/ActivityManager( 332): at com.android.server.am.ActivityStack.startPausingLocked(ActivityStack.java:990) W/ActivityManager( 332): at com.android.server.am.ActivityStack.finishActivityLocked(ActivityStack.java:3834) W/ActivityManager( 332): at com.android.server.am.ActivityStack.finishActivityLocked(ActivityStack.java:3766) W/ActivityManager( 332): at com.android.server.am.ActivityManagerService.handleAppCrashLocked(ActivityManagerService.java:8344) W/ActivityManager( 332): at com.android.server.am.ActivityManagerService.makeAppCrashingLocked(ActivityManagerService.java:8221) W/ActivityManager( 332): at com.android.server.am.ActivityManagerService.crashApplication(ActivityManagerService.java:8900) W/ActivityManager( 332): at com.android.server.am.ActivityManagerService.handleApplicationCrashInner(ActivityManagerService.java:8455) W/ActivityManager( 332): at com.android.server.am.NativeCrashListener$NativeCrashReporter.run(NativeCrashListener.java:86) I/ActivityManager( 332): Process com.mycompany.myapp (pid 9296) has died.

我在这里读到了一些提到该应用程序可能做的太多的事情，但它在我的登录屏幕上崩溃了，几乎没有任何作用......

I read a few things around here that mentioned the app might be doing too much, but it crashes on my login screen, which hardly does anything...

更新:在逐个删除一堆依赖项后，我将我的案例的罪魁祸首缩小到:github/callstack-io/react-native-fbads

推荐答案

DeadObjectException 表示您正在尝试与已终止的应用程序进行交互.在编写键盘等系统服务时经常发生这种情况.不过，这不是你真正的问题——你真正的问题是它上面的 C 堆栈跟踪.您正在尝试访问已在 Java 端释放的内存，导致您出现段错误.您可以通过 0xDEADDOOD 地址来判断.

DeadObjectException means you're trying to interact with an app that's already killed. Frequently this happens when writing system services like keyboards. It isn't your real problem though- your real problem is the C stack trace above it. You're attempting to access memory that has already been released on the Java side, causing you to segfault. You can tell that by the 0xDEADDOOD address.