android spotify ERROR detaching thread with interp frames (count=28)
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【中文标题】android spotify ERROR detaching thread with interp frames (count=28)【英文标题】： 【发布时间】：2012-10-13 06:07:48 【问题描述】：我正在做一个 android 项目，需要集成 Spotify 流媒体功能。 现在我可以加载动态库和调用函数了，但是有一些问题。
callbacks.notify_main_thread = callback_notify_main_thread;
config.callbacks = &callbacks;
error = sp_session_create(&config, &session);
那么在回调函数notify_main_thread中，会：
vm->AttachCurrentThread( &env, NULL );
vm->DetachCurrentThread();
此回调函数仍在native thread created by Spotify c code 中（请参阅问题“根据 do 文档，一些回调是从'内部会话线程'调用的。这是什么意思？”）。
所以我首先将当前线程附加到 javaVM 并获取 JNIEnv，然后调用 java 方法，然后将其分离。但是在执行DetachCurrentThread时会崩溃：
10-23 14:55:21.869: E/dalvikvm(1000): ERROR: detaching thread with interp frames (count=28)
10-23 14:55:21.869: I/dalvikvm(1000): "main" prio=5 tid=1 RUNNABLE
10-23 14:55:21.869: I/dalvikvm(1000): | group="main" sCount=0 dsCount=0 s=N obj=0x40025ad8 self=0xcd80
10-23 14:55:21.869: I/dalvikvm(1000): | sysTid=1000 nice=0 sched=0/0 cgrp=default handle=-1345017808
10-23 14:55:21.869: I/dalvikvm(1000): | schedstat=( 523773188 356262213 1690 )
10-23 14:55:21.869: I/dalvikvm(1000): at com.Spotify.Session.Initialise(Native Method)
...
10-23 14:55:21.869: E/dalvikvm(1000): VM aborting
10-23 14:55:21.899: D/RegisterService(519): insert plugin size 1
10-23 14:55:21.958: D/RegisterService(519): insert plugin size 1
10-23 14:55:21.979: I/DEBUG(64): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
10-23 14:55:21.979: I/DEBUG(64): Build fingerprint: 'htc_wwe/htc_bravo/bravo/bravo:2.2.2/FRG83G/345208.14:user/release-keys'
10-23 14:55:21.979: I/DEBUG(64): pid: 1000, tid: 1000 >>> <<<
10-23 14:55:21.979: I/DEBUG(64): signal 11 (SIGSEGV), fault addr deadd00d
10-23 14:55:21.979: I/DEBUG(64): r0 00000026 r1 afd14699 r2 afd14699 r3 00000000
10-23 14:55:21.979: I/DEBUG(64): r4 808a3448 r5 808a3448 r6 fffe9544 r7 fffe2054
10-23 14:55:21.979: I/DEBUG(64): r8 80b09f04 r9 00000001 10 002f0980 fp 002f0980
10-23 14:55:21.979: I/DEBUG(64): ip deadd00d sp beffb088 lr afd156e3 pc 80842560 cpsr 20000030
10-23 14:55:21.979: I/DEBUG(64): d0 6472656767756265 d1 617453657669746e
10-23 14:55:21.979: I/DEBUG(64): d2 4965746f67795a67 d3 6874654d2474690a
10-23 14:55:21.979: I/DEBUG(64): d4 80a0a16580a0a179 d5 80a0a14580a0a155
10-23 14:55:21.979: I/DEBUG(64): d6 80a0a12180a0a135 d7 0000000000000000
10-23 14:55:21.979: I/DEBUG(64): d8 40b0000040a00000 d9 0000000000000005
10-23 14:55:21.979: I/DEBUG(64): d10 0000000000000000 d11 0000000000000000
10-23 14:55:21.979: I/DEBUG(64): d12 0000000000000000 d13 0000000000000000
10-23 14:55:21.979: I/DEBUG(64): d14 0000000000000000 d15 0000000000000000
10-23 14:55:21.979: I/DEBUG(64): d16 001512f000000025 d17 bff0000000000000
10-23 14:55:21.979: I/DEBUG(64): d18 3ff0000000000000 d19 0000000000000000
10-23 14:55:21.979: I/DEBUG(64): d20 0000000000000000 d21 0000000000000000
10-23 14:55:21.979: I/DEBUG(64): d22 3ff0000000000000 d23 0000000000000000
10-23 14:55:21.979: I/DEBUG(64): d24 3ff0000000000000 d25 0000000000000000
10-23 14:55:21.979: I/DEBUG(64): d26 0000000000000000 d27 0000000000000000
10-23 14:55:21.979: I/DEBUG(64): d28 001f001f001f001e d29 001e001f001f001f
10-23 14:55:21.979: I/DEBUG(64): d30 001f001f001f001f d31 001f001f001f001f
10-23 14:55:21.979: I/DEBUG(64): scr 60000012
10-23 14:55:21.999: I/DEBUG(64): #00 pc 00042560 /system/lib/libdvm.so
10-23 14:55:21.999: I/DEBUG(64): #01 pc 0004fe6e /system/lib/libdvm.so
10-23 14:55:21.999: I/DEBUG(64): #02 pc 000455c2 /system/lib/libdvm.so
10-23 14:55:21.999: I/DEBUG(64): #03 pc 000088aa /data/data/xxx/lib/xxx.so
10-23 14:55:21.999: I/DEBUG(64): #04 pc 00008bb2 /data/data/xxx/lib/xxx.so
10-23 14:55:21.999: I/DEBUG(64): #05 pc 0000a1e8 /data/data/xxx/lib/xxx.so
10-23 14:55:21.999: I/DEBUG(64): code around pc:
10-23 14:55:21.999: I/DEBUG(64): 80842540 20061861 f7d418a2 2000ea54 ebb2f7d4
10-23 14:55:21.999: I/DEBUG(64): 80842550 58234808 b1036bdb f8df4798 2026c01c
10-23 14:55:21.999: I/DEBUG(64): 80842560 0000f88c ec18f7d4 00060f0c fffe2054
10-23 14:55:21.999: I/DEBUG(64): 80842570 fffe52c8 000003a8 deadd00d f8dfb40e
10-23 14:55:21.999: I/DEBUG(64): 80842580 b503c02c bf00490a 188ba200 f853aa03
10-23 14:55:21.999: I/DEBUG(64): code around lr:
10-23 14:55:21.999: I/DEBUG(64): afd156c0 b5f74b0d 490da200 2600189b 585c4602
10-23 14:55:21.999: I/DEBUG(64): afd156d0 686768a5 f9b5e008 b120000c 46289201
10-23 14:55:21.999: I/DEBUG(64): afd156e0 9a014790 35544306 37fff117 6824d5f3
10-23 14:55:21.999: I/DEBUG(64): afd156f0 d1ed2c00 bdfe4630 0002cc60 000000d8
10-23 14:55:21.999: I/DEBUG(64): afd15700 b086b570 f602fb01 9004460c a804a901
10-23 14:55:21.999: I/DEBUG(64): stack:
10-23 14:55:21.999: I/DEBUG(64): beffb048 00000015
10-23 14:55:21.999: I/DEBUG(64): beffb04c afd146c9 /system/lib/libc.so
10-23 14:55:21.999: I/DEBUG(64): beffb050 afd425a0 /system/lib/libc.so
10-23 14:55:21.999: I/DEBUG(64): beffb054 afd4254c /system/lib/libc.so
10-23 14:55:21.999: I/DEBUG(64): beffb058 00000000
10-23 14:55:21.999: I/DEBUG(64): beffb05c afd156e3 /system/lib/libc.so
10-23 14:55:21.999: I/DEBUG(64): beffb060 afd14699 /system/lib/libc.so
10-23 14:55:21.999: I/DEBUG(64): beffb064 afd14699 /system/lib/libc.so
10-23 14:55:21.999: I/DEBUG(64): beffb068 afd146f0 /system/lib/libc.so
10-23 14:55:21.999: I/DEBUG(64): beffb06c 808a3448 /system/lib/libdvm.so
10-23 14:55:21.999: I/DEBUG(64): beffb070 808a3448 /system/lib/libdvm.so
10-23 14:55:21.999: I/DEBUG(64): beffb074 fffe9544
10-23 14:55:21.999: I/DEBUG(64): beffb078 fffe2054
10-23 14:55:21.999: I/DEBUG(64): beffb07c afd146fd /system/lib/libc.so
10-23 14:55:21.999: I/DEBUG(64): beffb080 df002777
10-23 14:55:21.999: I/DEBUG(64): beffb084 e3a070ad
10-23 14:55:21.999: I/DEBUG(64): #00 beffb088 0000cd80 [heap]
10-23 14:55:21.999: I/DEBUG(64): beffb08c 8084fe73 /system/lib/libdvm.so
10-23 14:55:21.999: I/DEBUG(64): #01 beffb090 0000cd80 [heap]
10-23 14:55:21.999: I/DEBUG(64): beffb094 4635cdd8 /dev/ashmem/mspace/dalvik-heap/2 (deleted)
10-23 14:55:21.999: I/DEBUG(64): beffb098 0000cd80 [heap]
10-23 14:55:21.999: I/DEBUG(64): beffb09c 00000001
10-23 14:55:21.999: I/DEBUG(64): beffb0a0 00000007
10-23 14:55:21.999: I/DEBUG(64): beffb0a4 808494c1 /system/lib/libdvm.so
10-23 14:55:21.999: I/DEBUG(64): beffb0a8 80b09f04 /data/data/xxx/lib/xxx.so
10-23 14:55:21.999: I/DEBUG(64): beffb0ac 80848655 /system/lib/libdvm.so
10-23 14:55:21.999: I/DEBUG(64): beffb0b0 80b09aa8 /data/data/xxx/lib/xxx.so
10-23 14:55:21.999: I/DEBUG(64): beffb0b4 41a9e564 /dev/ashmem/dalvik-LinearAlloc (deleted)
10-23 14:55:21.999: I/DEBUG(64): beffb0b8 808494c1 /system/lib/libdvm.so
10-23 14:55:21.999: I/DEBUG(64): beffb0bc 808455c7 /system/lib/libdvm.so
10-23 14:55:22.239: I/ActivityManager(96): Process xxx (pid 1000) has died.
如果
//vm->DetachCurrentThread();
然后调用 sp_session_create()，它永远不会返回错误代码。
参考资料：
-
https://groups.google.com/forum/?fromgroups=#!topic/android-ndk/2H8z5grNqjo
http://groups.google.com/forum/?fromgroups=#!topic/android-ndk/QPTbxdAbz1M
https://developer.spotify.com/technologies/libspotify/docs/12.1.45/api_8h.html
https://developer.spotify.com/technologies/libspotify/faq/
【问题讨论】：
几乎等同于***.com/questions/13010976/… 您的编辑基本上是一个新问题。你能用线程修复回答你的问题，并用登录问题提出一个新问题吗？我宁愿在那个问题中发布我对登录内容的建议，而不是这个问题。 是的，thanx，我会在确定自己在做什么之后再做:-) 【参考方案1】：问题解决了，我使用javaVM->GetEnv()来检查当前线程是否已经附加到vm，而不是直接附加线程并获取JNIEnv。
【讨论】：
你能解释一下解决方案吗？ @YashGirdhar int check = (*Java.jvm)->GetEnv(Java.jvm, (void **) &env, JNI_VERSION_1_6); LOGI("分离析构函数 ==: %d", check); if (check != JNI_EDETACHED) int detach = (*Java.jvm)->DetachCurrentThread(Java.jvm);【参考方案2】：由于您只需要分离已附加的线程，因此您可以使用tips provided in the Threads section the Android Developer JNI tips page 非常优雅地避免此问题。对于从第三个库调用的附加线程，当你附加它并从那里分离它时，立即在线程上附加一个“死前”回调可能是最简单的。像这样（c++“伪”）：
pthread_key_t CallbackListener::current_env_key;
...
JNIEnv * CallbackListener::getEnv()
JNIEnv *env;
if ((env = (JNIEnv *)pthread_getspecific(current_env_key)) == NULL)
env = YourJavaThreadUtils::attachCurrentThreadToJVM(kCallbackThreadName);
pthread_key_create(¤t_env_key, CallbackListener::detach);
pthread_setspecific(current_env_key, env);
return env;
...
void CallbackListener::detach(void *env)
YourJavaThreadUtils::detatchCurrentThreadFromJVM();
【讨论】：
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