ios - 异常类型 : 00000020 and Crash thread 4 are related?
<p><p>实际上，这种崩溃并不是每次都重现，甚至不是经常重现，但我们在生产应用程序中遇到了这种崩溃。我不确定问题出在哪里。它说明环境类第 38 行的线程 4 中发生了崩溃。</p>
<pre><code>Code:
NSBundle* bundle = ;
NSString* envsPListPath = ;
Line 38:
NSDictionary *environments = [ initWithContentsOfFile:envsPListPath];
</code></pre>
<p>但根据异常类型:00000020，应用程序未能及时启动。
我不明白上面的代码有什么问题。请帮我解决黑白看门狗崩溃和以上代码行的关系。</p>
<pre><code>Crash Log:
Incident Identifier: FBDC0D68-9EC3-423C-A0DF-CD08EA079215
Hardware Model: iPod4,1
Process: Sparkle
Path: /var/mobile/Applications/55887817-5FD2-479A-B124-6ABF1907B339/Sparkle.app/Sparkle
Identifier: Sparkle
Version: ??? (???)
Code Type: ARM (Native)
Parent Process:launchd
Date/Time: 2013-10-26 14:30:43.046 -0400
OS Version: iOS 6.1.3 (10B329)
Report Version:104
Exception Type:00000020
Exception Codes: 0x000000008badf00d
Highlighted Thread:4
Application Specific Information:
com.xxxx.xxx failed to launch in time
Elapsed total CPU time (seconds): 15.060 (user 15.060, system 0.000), 50% CPU
Elapsed application CPU time (seconds): 1.756, 6% CPU
Thread 0 name:Dispatch queue: com.apple.main-thread
Thread 0:
0 libsystem_kernel.dylib 0x3a106eb4 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x3a107048 mach_msg + 36
2 UIKit 0x33ebb7e6 _UIPasteboardServerCreate + 158
3 UIKit 0x33ebb684 UIPasteboardServerCreate + 208
4 UIKit 0x33ebb54a - + 90
5 UIKit 0x34055d9c + + 292
6 Sparkle 0x0049fe8a - + 42
7 Sparkle 0x0049f5ac - + 204
8 Sparkle 0x0049f2b0 - + 68
9 Sparkle 0x0049ead4 - + 40
10Sparkle 0x0049ea56 - + 46
11Sparkle 0x004a7ae4 - + 112
12CoreFoundation 0x31eec034 _CFXNotificationPost + 1424
13Foundation 0x32802594 - + 68
14UIKit 0x33e03896 - + 1754
15UIKit 0x33dfb846 - + 694
16UIKit 0x33da3c34 - + 1000
17UIKit 0x33da36c8 - + 68
18UIKit 0x33da3116 _UIApplicationHandleEvent + 6150
19GraphicsServices 0x35a955a0 _PurpleEventCallback + 588
20GraphicsServices 0x35a951ce PurpleEventCallback + 30
21CoreFoundation 0x31f70170 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 32
22CoreFoundation 0x31f70112 __CFRunLoopDoSource1 + 134
23CoreFoundation 0x31f6ef94 __CFRunLoopRun + 1380
24CoreFoundation 0x31ee1eb8 CFRunLoopRunSpecific + 352
25CoreFoundation 0x31ee1d44 CFRunLoopRunInMode + 100
26UIKit 0x33dfa480 - + 664
27UIKit 0x33df72fc UIApplicationMain + 1116
28Sparkle 0x003fafd2 main (main.m:18)
29libdyld.dylib 0x3a050b1c start + 0
Thread 1 name:Dispatch queue: com.apple.libdispatch-manager
Thread 1:
0 libsystem_kernel.dylib 0x3a107648 kevent64 + 24
1 libdispatch.dylib 0x3a0404ec _dispatch_mgr_invoke + 792
2 libdispatch.dylib 0x3a032df4 _dispatch_mgr_thread$VARIANT$up + 32
Thread 2:
0 libsystem_kernel.dylib 0x3a117d98 __workq_kernreturn + 8
1 libsystem_c.dylib 0x3a065cf6 _pthread_workq_return + 14
2 libsystem_c.dylib 0x3a065a12 _pthread_wqthread + 362
3 libsystem_c.dylib 0x3a0658a0 start_wqthread + 4
Thread 3 name:WebThread
Thread 3:
0 libsystem_kernel.dylib 0x3a106eb4 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x3a107048 mach_msg + 36
2 CoreFoundation 0x31f70040 __CFRunLoopServiceMachPort + 124
3 CoreFoundation 0x31f6ed9e __CFRunLoopRun + 878
4 CoreFoundation 0x31ee1eb8 CFRunLoopRunSpecific + 352
5 CoreFoundation 0x31ee1d44 CFRunLoopRunInMode + 100
6 WebCore 0x37ecf500 RunWebThread(void*) + 440
7 libsystem_c.dylib 0x3a07030e _pthread_start + 306
8 libsystem_c.dylib 0x3a0701d4 thread_start + 4
Thread 4 name:Dispatch queue: momentumMapQueue
Thread 4:
0 libsystem_c.dylib 0x3a060332 szone_malloc_should_clear + 110
1 libsystem_c.dylib 0x3a060290 malloc_zone_malloc + 68
2 CoreFoundation 0x31eda712 _CFRuntimeCreateInstance + 210
3 CoreFoundation 0x31f7953a __CFStringCreateImmutableFunnel3 + 1882
4 CoreFoundation 0x31edd6c6 CFStringCreateWithBytes + 46
5 CoreFoundation 0x31effe76 _uniqueStringForUTF8Bytes + 90
6 CoreFoundation 0x31effd40 parseStringTag + 1304
7 CoreFoundation 0x31efe930 parseXMLElement + 2760
8 CoreFoundation 0x31efdc8e getContentObject + 450
9 CoreFoundation 0x31efe6aa parseXMLElement + 2114
10CoreFoundation 0x31efdc8e getContentObject + 450
11CoreFoundation 0x31efe6aa parseXMLElement + 2114
12CoreFoundation 0x31efdc8e getContentObject + 450
13CoreFoundation 0x31efe1c4 parseXMLElement + 860
14CoreFoundation 0x31f0a044 _CFPropertyListCreateFromUTF8Data + 1592
15CoreFoundation 0x31edcfb6 _CFPropertyListCreateWithData + 882
16CoreFoundation 0x31edcbe0 CFPropertyListCreateFromXMLData + 116
17Foundation 0x328114ea + + 110
18Sparkle 0x006c4f66 - (Environments.m:38)
19Sparkle 0x006c4d54 + (Environments.m:27)
20Sparkle 0x006c4992 + (ConfigurationManager.m:54)
21Sparkle 0x006c4870 + (ConfigurationManager.m:21)
22Sparkle 0x006e824a - (NTRequestPolicy.m:38)
23Sparkle 0x006e80f6 + (NTRequestPolicy.m:24)
24Sparkle 0x004f5fe8 + (WAGServiceHandler.m:39)
25Sparkle 0x004f5ed0 + (WAGServiceHandler.m:26)
26Sparkle 0x004f5e72 + (WAGServiceHandler.m:20)
27Sparkle 0x0040acaa - (Mbox.m:118)
28Sparkle 0x0040bf52 - (MBoxHandler.m:47)
29Sparkle 0x0040d548 __39-_block_invoke (MomentumMapPlugIn.m:222)
30libdispatch.dylib 0x3a03111c _dispatch_call_block_and_release + 8
31libdispatch.dylib 0x3a030996 _dispatch_queue_drain$VARIANT$up + 142
32libdispatch.dylib 0x3a030890 _dispatch_queue_invoke$VARIANT$up + 32
33libdispatch.dylib 0x3a03f212 _dispatch_root_queue_drain + 190
34libdispatch.dylib 0x3a03f3b4 _dispatch_worker_thread2 + 80
35libsystem_c.dylib 0x3a065a0e _pthread_wqthread + 358
36libsystem_c.dylib 0x3a0658a0 start_wqthread + 4
</code></pre></p>
<br><hr><h1><strong>Best Answer-推荐答案</ strong></h1><br>
<p><p>简单来说，Exception Type 20 表示你在主线程上做异步网络，当连接或操作很慢时，App 会被 iOS 终止。这将随机发生。请参阅此说明:</p>
<p> <a href="https://developer.apple.com/library/ios/qa/qa1693/_index.html" rel="noreferrer noopener nofollow">https://developer.apple.com/library/ios/qa/qa1693/_index.html</a> </p></p>
<p style="font-size: 20px;">关于ios - 异常类型 : 00000020 and Crash thread 4 are related?，我们在Stack Overflow上找到一个类似的问题：
<a href="https://stackoverflow.com/questions/19832814/" rel="noreferrer noopener nofollow" style="color: red;">
https://stackoverflow.com/questions/19832814/
</a>
</p>
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