造成奇怪崩溃的方法

我正在构建这个应用程序，我遇到了一些我以前没见过的问题 .

• 当我运行下面连接到 UIButton 触发器的方法时，应用程序崩溃了 . 因此，当我按下按钮时，它会进行打印，然后模拟器会撞到跳板 . 如果我从跳板再次启动应用程序它没有达到打印方法，如果我从Xcode重建它，然后像以前一样迅速崩溃 .

• 通常在调试控制台中有一些信息，我至少可以知道发生了什么，但似乎没有那么多 . 我注意到的一件事是，当应用程序最初在模拟器中启动时，有一些关于可访问性被打开的东西，我不记得是否总是存在：

2010-02-18 10：35：19.024现金[497：207] *******无障碍状态已更改：在2010-02-18 10：35：19.134现金[497：207] ***** *****加载AX for：com.yourcompany.Cash ************ copyright 2010 Nicholas Iannone：

-(IBAction) logTransaction {

NSIndexPath *indexPath = [[NSIndexPath alloc] init];
indexPath = [self.categoryTableView indexPathForSelectedRow];

NSInteger selectedCategory = indexPath.row;
[indexPath release];
NSString *categoryString = [[NSString alloc] init];
categoryString = [self.categoryArray objectAtIndex:selectedCategory];
CLLocationManager *locationManager = [[CLLocationManager alloc] init];
locationManager.delegate = self;
locationManager.desiredAccuracy = kCLLocationAccuracyBest;
locationManager.distanceFilter = 1000.0f;
[locationManager startUpdatingLocation];
double x = 10.0;
double y = 10.0;
NSString *descriptionString = [[NSString alloc] init];

descriptionString = descriptionField.text;
//[locationManager stopUpdatingLocation];

Transaction *newTransaction = [[Transaction alloc] initWithAmount:    [self.amountField.text integerValue] 
                                                      description: descriptionString 
                                                         category: categoryString   
                                                        locationX: x 
                                                        locationY: y];

                                      [categoryString release];
[newTransaction print];

 //log transaction here...

[newTransaction release];

here's the console output:

2/18/10 10:35:19 AM现金[497] **********加载AX：com.yourcompany.Cash ************ 2/18 / 10 10:35:28 AM现金[497] 0.000000，sddssd，Snacks，2010-02-18 10:35:28 -0800,10.000000,10.000000 2/18/10 10:35:28 AM com.apple.launchd .peruser.501 [91]（UIKitApplication：com.yourcompany.Cash [0x9148] [497]）作业似乎已崩溃：分段错误2/18/10 10:35:28 AM SpringBoard [482]申请'现金'已退出异常信号11：分段故障2/18/10 10:35:28 AM ReportCrash [491]已保存的现金崩溃报告[497]版本??? （???）to /Users/knyck2/Library/Logs/DiagnosticReports/Cash_2010-02-18-103528_Nicholas-Iannones-MacBook-Pro.crash

here's the crash log:

流程：现金[497]路径：/ Users / knyck2 / Library / Application Support / iPhone Simulator / 3.2 / Applications / F54FA00C-9E77-4B9A-8774-2D5B5488A1BA / Cash.app / Cash Identifier：Cash Version：??? （???）代码类型：X86（Native）父进程：launchd [91]日期/时间：2010-02-18 10：35：28.631 -0800操作系统版本：Mac OS X 10.6.2（10C540）报告版本： 6异常类型：EXC_BAD_ACCESS（SIGSEGV）异常代码：KERN_INVALID_ADDRESS位于0x0000000014600478崩溃线程：0调度队列：com.apple.main-thread应用程序特定信息：objc_msgSend（）选择器名称：发布iPhone模拟器3.2（193），iPhone OS 3.2（ 7B298g）线程0毁损：调度队列：com.apple.main线程0 libobjc.A.dylib 0x9805aedb objc_msgSend 27 1的UIKit 0x002b4a19 _UIApplicationHandleEvent 8468个2个GraphicsServices 0x02f1f2a8 PurpleEventCallback 1576 3的CoreFoundation 0x026bb87e CFRunLoopRunSpecific 4094 4的CoreFoundation 0x026ba878 CFRunLoopRunInMode 88个5 GraphicsServices 0x02f1da4d GSEventRunModal 217 6 GraphicsServices 0x02f1db12 GSEventRun 115 7 UIKit 0x002b265d UIApplicationMain 1134 8 Cash 0x00002648 main 102（main.m：13）9 Cash 0x000025b6 start 54线程1：0 libSystem.B.dylib 0x 937b88da mach_msg_trap 10 1 libSystem.B.dylib 0x937b9047 mach_msg 68 2 CoreFoundation 0x026bb022 CFRunLoopRunSpecific 1954 3 CoreFoundation 0x026ba878 CFRunLoopRunInMode 88 4 WebCore 0x03151933 RunWebThread（void *）467 5 libSystem.B.dylib 0x937e5fbd _pthread_start 345 6 libSystem.B.dylib 0x937e5e42 thread_start 34线程0与X86线程状态（32位）崩溃：eax：0x07802a50 ebx：0x00017711 ecx：0x9655d0c4 edx：0x07833ba2 edi：0x14600478 esi：0x00000000 ebp：0xbfffe158 esp：0xbfffdfd4 ss：0x0000001f efl：0x00010206 eip：0x9805aedb cs：0x00000017 ds： 0x0000001f es：0x0000001f fs：0x00000000 gs：0x00000037 cr2：0x14600478二进制图像：0x1000 - 0x5ff7现金??? （???）/ Users / knyck2 / Library / Application Support / iPhone Simulator / 3.2 / Applications / F54FA00C-9E77-4B9A-8774-2D5B5488A1BA / Cash.app / Cash 0xd000 - 0xfff7 PBGDBIntrospectionSupport.A.dylib ??? （???）<8C448816-8655-143E-DA39-C8157FDA8C8B> /Developer/Applications/Xcode.app/Contents/PlugIns/GDBMIDebugging.xcplugin/Contents/Resources/PBGDBIntrospectionSupport.A.dylib 0x14000 - 0x1a8ff3 Foundation ??? （???）<4361202B-C361-85C9-AAD0-3D062EF44941> /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/Frameworks/Foundation.framework/Foundation 0x29e000 - 0x2063fe7 UIKit ??? （???）<524597DC-F210-115D-E31D-01A3429E25C7> /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/Frameworks/UIKit.framework/UIKit 0x23be000 - 0x25c6fe7 com .apple.CoreGraphics 1.359.16（???）<017CBE03-17D3-25FD-E775-087B415993AA>/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/Frameworks/CoreGraphics.framework/CoreGraphics 0x262e000 - 0x2665ff7 CoreLocation ??? （???）<80CA49D0-A8EA-0638-A407-0CC131AEEB41> /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/Frameworks/CoreLocation.framework/CoreLocation 0x268e000 - 0x2799fff CoreFoundation ??? （???）/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/Frameworks/CoreFoundation.framework/CoreFoundation 0x287d000 - 0x2a15fe7 libicucore.A.dylib ??? （???）<13A09086-26EF-E491-ADD8-9019C31542FC> /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/usr/lib/libicucore.A.dylib 0x2a76000 - 0x2b75fe7 libxml2.2 .dylib ??? （???）<78BEDCC4-E0FD-1C59-70ED-46FB3D76055C> /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/usr/lib/libxml2.2.dylib 0x2b9a000 - 0x2c41fe7 CFNetwork ?? ？ （???）<24AFEAF9-230F-C79A-3A2F-BB9F1945CF9A> /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/Frameworks/CFNetwork.framework/CFNetwork 0x2cc0000 - 0x2cf4ff7 SystemConfiguration ??? （???）<5448E217-DB17-F241-AB84-C2FE18372948> /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/Frameworks/SystemConfiguration.framework/SystemConfiguration 0x2d16000 - 0x2d65ff7 Security ??? （???）<90BF3878-B2F5-8FD0-4E81-B59E64C47E1D> /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/Frameworks/Security.framework/Security 0x2d8b000 - 0x2e58fe7 libsqlite3 .dylib ??? （???）<3B663A82-D85F-3CD5-130C-FAA6C5ED2D0E> /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/usr/lib/libsqlite3.dylib 0x2e68000 - 0x2ef3fff com.apple.framework .IOKit 1.5.1（???）/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/Frameworks/IOKit.framework/Versions/A/IOKit 0x2f19000 - 0x2f26ff3 GraphicsServices ?? ？ （???）<7FB2250F-CDD1-D975-0387-6E884CC061CD> /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/PrivateFrameworks/GraphicsServices.framework/GraphicsServices 0x2f39000 - 0x3071ff7 JavaScriptCore ??? （???）/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/PrivateFrameworks/JavaScriptCore.framework/JavaScriptCore 0x30c5000 - 0x3888fe7 WebCore ??? （???）<8801B91D-C8BC-51CC-B80A-FB9C67BA8FF2> /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/PrivateFrameworks/WebCore.framework/WebCore 0x3db5000 - 0x3e4bff7 WebKit ??? （???）<0D579ECA-E22E-7C70-A214-73D2221CD1C7> /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/PrivateFrameworks/WebKit.framework/WebKit 0x3ec9000 - 0x3f87fe7 ImageIO ??? （???）<524C2CFC-6F77-3B4F-390F-40711BB56980> /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/PrivateFrameworks/ImageIO.framework/ImageIO 0x3fb2000 - 0x3fd0ff7 AddressBook ??? （???）<2EF304E3-4B16-5B0E-E072-BFABF4B44CF5> /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/Frameworks/AddressBook.framework/AddressBook 0x3ff1000 - 0x4145fe7 AudioToolbox ??? （???）<27DC788A-231B-9DB5-0B48-04A2A8D27F32> /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/Frameworks/AudioToolbox.framework/AudioToolbox 0x4198000 - 0x425aff7 QuartzCore ??? （???）/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore 0x42b5000 - 0x42c2ff7 SpringBoardServices ??? （???）<3CDBCAE3-B6D3-D734-6CB0-AB39EBBE7D57> /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/PrivateFrameworks/SpringBoardServices.framework/SpringBoardServices 0x42cd000 - 0x42f9fff AppSupport ??? （???）/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/PrivateFrameworks/AppSupport.framework/AppSupport 0x4319000 - 0x435cfe7 CoreText ??? （???）<971632EA-E809-8D15-BE25-E115A4FBDFF4>/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/Frameworks/CoreText.framework/CoreText 0x438c000 - 0x43c7ff7 MobileCoreServices ??? （???）<5BFA76AC-EC1B-8D9F-4533-B3DD44041107> /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/Frameworks/MobileCoreServices.framework/MobileCoreServices 0x43e5000 - 0x448efe7 ProofReader ??? （???）/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/PrivateFrameworks/ProofReader.framework/ProofReader 0x44ab000 - 0x44b6ff7 CoreVideo ??? （???）/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/PrivateFrameworks/CoreVideo.framework/CoreVideo 0x44c2000 - 0x44d8fe7 OpenGLES ??? （???）/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/Frameworks/OpenGLES.framework/OpenGLES 0x44e2000 - 0x4558ff3 CoreAudio ??? （???）<14C17E9E-0D13-A7BD-3A06-C3F460FD261C> /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/Frameworks/CoreAudio.framework/CoreAudio 0x4594000 - 0x4649fe7 libcrypto .0.9.7.dylib ??? （???）<39CDB041-9DF5-01B1-4B33-03EC4CCA40B3> /usr/lib/libcrypto.0.9.7.dylib 0x468f000 - 0x46b5fff libssl.0.9.7.dylib ??? （???）<924E1BF8-C24D-4A5C-3DB6-A85034392D19> /usr/lib/libssl.0.9.7.dylib 0x46ea000 - 0x46eaff7 AccessibilitySettingsLoader ??? （???）<21BFF58D-21D2-210F-3150-873A8CC87399> /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/AccessibilityBundles/AccessibilitySettingsLoader.bundle/AccessibilitySettingsLoader 0x46ef000 - 0x46f1ff7 libAccessibility .dylib ??? （???）<9F1CEAA6-2910-7F97-A626-DAA33724ED79> /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/usr/lib/libAccessibility.dylib 0x7900000 - 0x7909ffb IAP ??? （???）/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/PrivateFrameworks/IAP.framework/IAP 0x7916000 - 0x794cff7 UIKit ??? （???）/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/AccessibilityBundles/UIKit.axbundle/UIKit 0x7990000 - 0x799bff7 UIAccessibility ??? （???）<4E2BD72C-F67F-D0DF-78FA-FB1D5840F6B7> /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/PrivateFrameworks/UIAccessibility.framework/UIAccessibility 0x79ab000 - 0x79baff7 AXRuntime ??? （???）/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/PrivateFrameworks/AXRuntime.framework/AXRuntime 0x79c8000 - 0x7a0afe7 libCGFreetype.A.dylib ??? （???）<8853F0B7-8EE5-AD36-BC97-B0AD8782E547> /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/Frameworks/CoreGraphics.framework/Resources/libCGFreetype.A .dylib 0x7f31000 - 0x7f57fe7 libRIP.A.dylib ??? （???）/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/Frameworks/CoreGraphics.framework/Resources/libRIP.A.dylib 0x9cff000 - 0x9d3efe7 TextInput ??? （???）/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/PrivateFrameworks/TextInput.framework/TextInput 0x9d6a000 - 0x9eafff3 libmecabra.dylib ??? （???）<1C45F15E-3F66-3F28-46C7-78EC4B63C803> /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/usr/lib/libmecabra.dylib 0x9ee1000 - 0x9ff4ff7 CoreData ??? （???）<6F49CC28-8102-D224-EBBD-12045B6DBA92> /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/Frameworks/CoreData.framework/CoreData 0x8fe00000 - 0x8fe4162b dyld 132.1（???）<211AF0DD-42D9-79C8-BB6A-1F4BEEF4B4AB> / usr / lib / dyld 0x91fe7000 - 0x91feafe7 libmathCommon.A.dylib ??? （???）<1622A54F-1A98-2CBE-B6A4-2122981A500E> /usr/lib/system/libmathCommon.A.dylib 0x93497000 - 0x93501fe7 libstdc .6.dylib ??? （???）<411D87F4-B7E1-44EB-F201-F8B4F9227213> / usr / lib / libstdc .6.dylib 0x937b8000 - 0x9395cfeb libSystem.B.dylib ??? （???）/ usr / lib / libSystem.B.dylib 0x96692000 - 0x966d8ff7 libauto.dylib ??? （???）<85670A64-3B67-8162-D441-D8E0BE15CA94> /usr/lib/libauto.dylib 0x9706e000 - 0x97082fe7 libbsm.0.dylib ??? （???）<14CB053A-7C47-96DA-E415-0906BA1B78C9> /usr/lib/libbsm.0.dylib 0x98055000 - 0x98102fe7 libobjc.A.dylib ??? （???）/usr/lib/libobjc.A.dylib0x98103000 - 0x981f7fe7 libiconv.2.dylib ??? （???）<0C578460-3929-29DD-585A-DB1E0C977425> /usr/lib/libiconv.2.dylib 0x98fd9000 - 0x98fe7fe7 libz.1.dylib ??? （???）<7B7A02AB-DA99-6180-880E-D28E4F9AA8EB> /usr/lib/libz.1.dylib 0xffff0000 - 0xffff1fff libSystem.B.dylib ??? （???）/ usr / lib / libSystem.B.dylib