我在后台下载数据并且数据的大小非常大，因此下载所有数据需要大约25-40分钟。但是我面临着一个非常奇怪的问题，即我的应用程序崩溃并且崩溃是非常偶然的，并且无法检测到，可能导致此崩溃的原因。但我的崩溃点显示崩溃发生在sqlite准备语句
上bundleID":"com.apple.springboard","app_name":"SpringBoard","share_with_app_devs":false,"name":"SpringBoard","app_version":"1.0","is_first_party":false,"os_version":"iPhone OS 8.1.2 (12B440)","bug_type":"109","slice_uuid":"7f2c2438-50f7-34b9-a72e-d66cb0571320","build_version":"50","adam_id":0}
Incident Identifier: 510F9DCC-68F6-4C9C-93EF-DFAA2029B962
CrashReporter Key: 2e64aad38f60979f509bad033c786943b0c3b401
Hardware Model: iPad3,4
Process: SpringBoard [43]
Path: /System/Library/CoreServices/SpringBoard.app/SpringBoard
Identifier: com.apple.springboard
Version: 50 (1.0)
Code Type: ARM (Native)
Parent Process: launchd [1]
Date/Time: 2015-02-09 14:46:07.601 +0530
Launch Time: 2015-02-09 13:08:39.774 +0530
OS Version: iOS 8.1.2 (12B440)
Report Version: 105
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Triggered by Thread: 0
Last Exception Backtrace:
(0x2368e49a 0x31146c86 0x2368e370 0x2435fd7a 0x3019fc 0x3002d8 0x10e35a 0x11188e 0x28191078 0x10db96 0x316a67b6 0x316a67a2 0x316a9f9e 0x236543ac 0x23652aac 0x235a03bc 0x235a01ce 0x2a9750a4 0x26baff9c 0xe3e4e 0x316c6aaa)
Thread 0 name: Dispatch queue: com.apple.main-thread
Thread 0 Crashed:
0 libsystem_kernel.dylib 0x3178cdfc 0x31778000 + 85500
1 libsystem_pthread.dylib 0x3180ad32 0x31807000 + 15666
2 libsystem_c.dylib 0x3172c904 0x316e2000 + 305412
3 libc++abi.dylib 0x30a679c4 0x30a67000 + 2500
4 libc++abi.dylib 0x30a8166c 0x30a67000 + 108140
5 libobjc.A.dylib 0x31146f22 0x31140000 + 28450
6 libc++abi.dylib 0x30a7ede0 0x30a67000 + 97760
7 libc++abi.dylib 0x30a7e5a4 0x30a67000 + 95652
8 libobjc.A.dylib 0x31146d5a 0x31140000 + 27994
9 CoreFoundation 0x2368e370 0x23588000 + 1074032
10 Foundation 0x2435fd7a 0x242ce000 + 597370
11 SpringBoard 0x003019fc 0xd9000 + 2263548
12 SpringBoard 0x003002d8 0xd9000 + 2257624
13 SpringBoard 0x0010e35a 0xd9000 + 217946
14 SpringBoard 0x0011188e 0xd9000 + 231566
15 BaseBoard 0x28191078 0x28185000 + 49272
16 SpringBoard 0x0010db96 0xd9000 + 215958
17 libdispatch.dylib 0x316a67b8 0x316a5000 + 6072
18 libdispatch.dylib 0x316a67a4 0x316a5000 + 6052
19 libdispatch.dylib 0x316a9f9e 0x316a5000 + 20382
20 CoreFoundation 0x236543ac 0x23588000 + 836524
21 CoreFoundation 0x23652aac 0x23588000 + 830124
22 CoreFoundation 0x235a03bc 0x23588000 + 99260
23 CoreFoundation 0x235a01ce 0x23588000 + 98766
24 GraphicsServices 0x2a9750a4 0x2a96c000 + 37028
25 UIKit 0x26baff9c 0x26b42000 + 450460
26 SpringBoard 0x000e3e4e 0xd9000 + 44622
27 libdyld.dylib 0x316c6aac 0x316c5000 + 6828
Thread 1 name: Dispatch queue: com.apple.libdispatch-manager
Thread 1:
0 libsystem_kernel.dylib 0x317792a0 0x31778000 + 4768
1 libdispatch.dylib 0x316b29fc 0x316a5000 + 55804
2 libdispatch.dylib 0x316a820e 0x316a5000 + 12814
Thread 2:
0 libsystem_kernel.dylib 0x317794f0 0x31778000 + 5360
1 libsystem_kernel.dylib 0x317792e4 0x31778000 + 4836
2 CoreFoundation 0x23654316 0x23588000 + 836374
3 CoreFoundation 0x236528bc 0x23588000 + 829628
4 CoreFoundation 0x235a03bc 0x23588000 + 99260
5 CoreFoundation 0x235a01ce 0x23588000 + 98766
6 Foundation 0x242d9bf8 0x242ce000 + 48120
7 Foundation 0x243280b8 0x242ce000 + 368824
8 UIKit 0x2701debe 0x26b42000 + 5095102
9 Foundation 0x2439eb56 0x242ce000 + 854870
10 libsystem_pthread.dylib 0x31809e90 0x31807000 + 11920
11 libsystem_pthread.dylib 0x31809e02 0x31807000 + 11778
12 libsystem_pthread.dylib 0x31807b8c 0x31807000 + 2956
Thread 3 name: com.apple.coremedia.player.async
Thread 3:
0 libsystem_kernel.dylib 0x31779540 0x31778000 + 5440
1 libdispatch.dylib 0x316b0eee 0x316a5000 + 48878
2 MediaToolbox 0x2505cff6 0x25058000 + 20470
3 CoreMedia 0x23df7d10 0x23dc9000 + 191760
4 libsystem_pthread.dylib 0x31809e90 0x31807000 + 11920
5 libsystem_pthread.dylib 0x31809e02 0x31807000 + 11778
6 libsystem_pthread.dylib 0x31807b8c 0x31807000 + 2956
Thread 4:
0 libsystem_kernel.dylib 0x317794f0 0x31778000 + 5360
1 libsystem_kernel.dylib 0x317792e4 0x31778000 + 4836
2 CoreFoundation 0x23654316 0x23588000 + 836374
3 CoreFoundation 0x236528bc 0x23588000 + 829628
4 CoreFoundation 0x235a03bc 0x23588000 + 99260
5 CoreFoundation 0x235a01ce 0x23588000 + 98766
6 SpringBoard 0x0014aab4 0xd9000 + 465588
7 libsystem_pthread.dylib 0x31809e90 0x31807000 + 11920
8 libsystem_pthread.dylib 0x31809e02 0x31807000 + 11778
9 libsystem_pthread.dylib 0x31807b8c 0x31807000 + 2956
Thread 5 name: com.apple.springboard.icongeneration
Thread 5:
0 libsystem_kernel.dylib 0x317794f0 0x31778000 + 5360
1 libsystem_kernel.dylib 0x317792e4 0x31778000 + 4836
2 CoreFoundation 0x23654316 0x23588000 + 836374
3 CoreFoundation 0x236528bc 0x23588000 + 829628
4 CoreFoundation 0x235a03bc 0x23588000 + 99260
5 CoreFoundation 0x235a01ce 0x23588000 + 98766
6 SpringBoard 0x0014abd4 0xd9000 + 465876
7 libsystem_pthread.dylib 0x31809e90 0x31807000 + 11920
8 libsystem_pthread.dylib 0x31809e02 0x31807000 + 11778
9 libsystem_pthread.dylib 0x31807b8c 0x31807000 + 2956
Thread 6:
0 libsystem_kernel.dylib 0x317794f0 0x31778000 + 5360
1 libsystem_kernel.dylib 0x317792e4 0x31778000 + 4836
2 IOKit 0x245d4e32 0x245b0000 + 151090
3 IOKit 0x245cdd8a 0x245b0000 + 122250
4 CoreMotion 0x23e9efd6 0x23e64000 + 241622
5 CoreMotion 0x23e9e756 0x23e64000 + 239446
6 CoreMotion 0x23e9e680 0x23e64000 + 239232
7 CoreMotion 0x23ea28da 0x23e64000 + 256218
8 CoreMotion 0x23ea021e 0x23e64000 + 246302
9 CoreMotion 0x23ea065c 0x23e64000 + 247388
10 CoreMotion 0x23ea16b8 0x23e64000 + 251576
11 CoreMotion 0x23ea4148 0x23e64000 + 262472
12 CoreMotion 0x23ea1626 0x23e64000 + 251430
13 CoreMotion 0x23edaca8 0x23e64000 + 486568
14 CoreMotion 0x23eda3e8 0x23e64000 + 484328
15 CoreMotion 0x23ed95aa 0x23e64000 + 480682
16 CoreMotion 0x23ea16e6 0x23e64000 + 251622
17 CoreMotion 0x23ea4148 0x23e64000 + 262472
18 CoreMotion 0x23ea1626 0x23e64000 + 251430
19 CoreMotion 0x23ea4148 0x23e64000 + 262472
20 CoreMotion 0x23ed87c8 0x23e64000 + 477128
21 CoreMotion 0x23e901a2 0x23e64000 + 180642
22 CoreMotion 0x23e90432 0x23e64000 + 181298
23 CoreMotion 0x23ea4192 0x23e64000 + 262546
24 CoreFoundation 0x23654d7a 0x23588000 + 839034
25 CoreFoundation 0x2365403c 0x23588000 + 835644
26 CoreFoundation 0x23652b76 0x23588000 + 830326
27 CoreFoundation 0x235a03bc 0x23588000 + 99260
28 CoreFoundation 0x235e90e6 0x23588000 + 397542
29 CoreMotion 0x23ea3e9a 0x23e64000 + 261786
30 libsystem_pthread.dylib 0x31809e90 0x31807000 + 11920
31 libsystem_pthread.dylib 0x31809e02 0x31807000 + 11778
32 libsystem_pthread.dylib 0x31807b8c 0x31807000 + 2956
Thread 7 name: CommonUtilities-WiFi-Thread
Thread 7:
0 libsystem_kernel.dylib 0x317794f0 0x31778000 + 5360
1 libsystem_kernel.dylib 0x317792e4 0x31778000 + 4836
2 CoreFoundation 0x23654316 0x23588000 + 836374
3 CoreFoundation 0x236528bc 0x23588000 + 829628
4 CoreFoundation 0x235a03bc 0x23588000 + 99260
5 CoreFoundation 0x235e90e6 0x23588000 + 397542
6 CommonUtilities 0x28b3f960 0x28b3a000 + 22880
7 Foundation 0x2439eb56 0x242ce000 + 854870
8 libsystem_pthread.dylib 0x31809e90 0x31807000 + 11920
9 libsystem_pthread.dylib 0x31809e02 0x31807000 + 11778
10 libsystem_pthread.dylib 0x31807b8c 0x31807000 + 2956
Thread 8 name: NetworkLoad
Thread 8:
0 libsystem_kernel.dylib 0x317794f0 0x31778000 + 5360
1 libsystem_kernel.dylib 0x317792e4 0x31778000 + 4836
2 CoreFoundation 0x23654316 0x23588000 + 836374
3 CoreFoundation 0x236528bc 0x23588000 + 829628
4 CoreFoundation 0x235a03bc 0x23588000 + 99260
5 CoreFoundation 0x235a01ce 0x23588000 + 98766
6 GeoServices 0x2a8a13c8 0x2a6fd000 + 1721288
7 libsystem_pthread.dylib 0x31809e90 0x31807000 + 11920
8 libsystem_pthread.dylib 0x31809e02 0x31807000 + 11778
9 libsystem_pthread.dylib 0x31807b8c 0x31807000 + 2956
Thread 9 name: com.apple.NSURLConnectionLoader
Thread 9:
0 libsystem_kernel.dylib 0x317794f0 0x31778000 + 5360
1 libsystem_kernel.dylib 0x317792e4 0x31778000 + 4836
2 CoreFoundation 0x23654316 0x23588000 + 836374
3 CoreFoundation 0x236528bc 0x23588000 + 829628
4 CoreFoundation 0x235a03bc 0x23588000 + 99260
5 CoreFoundation 0x235a01ce 0x23588000 + 98766
6 CFNetwork 0x23155952 0x230d9000 + 510290
7 Foundation 0x2439eb56 0x242ce000 + 854870
8 libsystem_pthread.dylib 0x31809e90 0x31807000 + 11920
9 libsystem_pthread.dylib 0x31809e02 0x31807000 + 11778
10 libsystem_pthread.dylib 0x31807b8c 0x31807000 + 2956
Thread 10 name: com.apple.CFSocket.private
Thread 10:
0 libsystem_kernel.dylib 0x3178d08c 0x31778000 + 86156
1 CoreFoundation 0x23658ae2 0x23588000 + 854754
2 libsystem_pthread.dylib 0x31809e90 0x31807000 + 11920
3 libsystem_pthread.dylib 0x31809e02 0x31807000 + 11778
4 libsystem_pthread.dylib 0x31807b8c 0x31807000 + 2956
Thread 11 name: WiFiManager callback thread
Thread 11:
0 libsystem_kernel.dylib 0x317794f0 0x31778000 + 5360
1 libsystem_kernel.dylib 0x317792e4 0x31778000 + 4836
2 CoreFoundation 0x23654316 0x23588000 + 836374
3 CoreFoundation 0x236528bc 0x23588000 + 829628
4 CoreFoundation 0x235a03bc 0x23588000 + 99260
5 CoreFoundation 0x235a01ce 0x23588000 + 98766
6 Foundation 0x242d9bf8 0x242ce000 + 48120
7 Foundation 0x243280b8 0x242ce000 + 368824
8 Foundation 0x2439eb56 0x242ce000 + 854870
9 libsystem_pthread.dylib 0x31809e90 0x31807000 + 11920
10 libsystem_pthread.dylib 0x31809e02 0x31807000 + 11778
11 libsystem_pthread.dylib 0x31807b8c 0x31807000 + 2956
Thread 12 name: Dispatch queue: NSOperationQueue 0x1777ccd0 :: NSOperation 0x176fafe0
Thread 12:
0 libsystem_kernel.dylib 0x31779540 0x31778000 + 5440
1 libdispatch.dylib 0x316b0eee 0x316a5000 + 48878
2 CoreMotion 0x23ea4138 0x23e64000 + 262456
3 CoreMotion 0x23e90186 0x23e64000 + 180614
4 UIKit 0x26f2c412 0x26b42000 + 4105234
5 Foundation 0x243892ae 0x242ce000 + 766638
6 Foundation 0x242f4348 0x242ce000 + 156488
7 Foundation 0x242e6b02 0x242ce000 + 101122
8 Foundation 0x2438bc16 0x242ce000 + 777238
9 libdispatch.dylib 0x316ae5ac 0x316a5000 + 38316
10 libdispatch.dylib 0x316a8f80 0x316a5000 + 16256
11 libdispatch.dylib 0x316afb98 0x316a5000 + 43928
12 libdispatch.dylib 0x316b0cd2 0x316a5000 + 48338
13 libsystem_pthread.dylib 0x31807e2e 0x31807000 + 3630
14 libsystem_pthread.dylib 0x31807b80 0x31807000 + 2944
Thread 13:
0 libsystem_kernel.dylib 0x3178d9cc 0x31778000 + 88524
1 libsystem_pthread.dylib 0x31807ea8 0x31807000 + 3752
2 libsystem_pthread.dylib 0x31807b80 0x31807000 + 2944
Thread 14:
0 libsystem_kernel.dylib 0x3178d9cc 0x31778000 + 88524
1 libsystem_pthread.dylib 0x31807ea8 0x31807000 + 3752
2 libsystem_pthread.dylib 0x31807b80 0x31807000 + 2944
Thread 15:
0 libsystem_kernel.dylib 0x3178d9cc 0x31778000 + 88524
1 libsystem_pthread.dylib 0x31807ea8 0x31807000 + 3752
2 libsystem_pthread.dylib 0x31807b80 0x31807000 + 2944
Thread 16:
0 libsystem_kernel.dylib 0x3178d9cc 0x31778000 + 88524
1 libsystem_pthread.dylib 0x31807ea8 0x31807000 + 3752
2 libsystem_pthread.dylib 0x31807b80 0x31807000 + 2944
Thread 17:
0 libsystem_kernel.dylib 0x3178d9cc 0x31778000 + 88524
1 libsystem_pthread.dylib 0x31807ea8 0x31807000 + 3752
2 libsystem_pthread.dylib 0x31807b80 0x31807000 + 2944
Thread 0 crashed with ARM Thread State (32-bit):
r0: 0x00000000 r1: 0x00000000 r2: 0x00000000 r3: 0x00000003
r4: 0x00000006 r5: 0x33e839dc r6: 0x33e6f840 r7: 0x00707e48
r8: 0x18bb1830 r9: 0x00000000 r10: 0x004587bb r11: 0x18bb1854
ip: 0x00000148 sp: 0x00707e3c lr: 0x3180ad37 pc: 0x3178cdfc
cpsr: 0x00000010
Binary Images:
0xd9000 - 0x4dcfff SpringBoard armv7s <7f2c243850f734b9a72ed66cb0571320> /System/Library/CoreServices/SpringBoard.app/SpringBoard
0x2291000 - 0x229cfff Sharing armv7s /System/Library/SpringBoardPlugins/Sharing.servicebundle/Sharing
0x22a9000 - 0x22b8fff WiFiPicker armv7s /System/Library/SpringBoardPlugins/WiFiPicker.servicebundle/WiFiPicker