重新安装，卸载，重新安装4.0.2不起作用
Process: Xcode [649]
Path: /Developer/Applications/Xcode.app/Contents/MacOS/Xcode
Identifier: com.apple.dt.Xcode
Version: 4.0.2 (99)
Build Info: IDEApplication-990000~53
Code Type: X86-64 (Native)
Parent Process: launchd [91]
Date/Time: 2011-05-15 22:13:29.007 +0700
OS Version: Mac OS X 10.6.7 (10J869)
Report Version: 6
Interval Since Last Report: 128065 sec
Crashes Since Last Report: 7
Per-App Interval Since Last Report: 118616 sec
Per-App Crashes Since Last Report: 7
Anonymous UUID: B0FCFF42-38B8-4466-8161-8D3F5CEBC494
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Application Specific Information:
ProductBuildVersion: 4A2002a
Encountered multiple assertions. First assertion was: UNCAUGHT EXCEPTION (NSRangeException): *** -[NSCFString _getBlockStart:end:contentsEnd:forRange:stopAtLineSeparators:]: Range or index out of bounds
UserInfo: (null)
Hints: None
Backtrace:
0 0x00007fff80b40796 __exceptionPreprocess (in CoreFoundation)
1 0x00007fff821e50f3 objc_exception_throw (in libobjc.A.dylib)
2 0x00007fff80b405d7 +[NSException raise:format:arguments:] (in CoreFoundation)
3 0x00007fff80b40564 +[NSException raise:format:] (in CoreFoundation)
4 0x00007fff80cb64aa -[NSString _getBlockStart:end:contentsEnd:forRange:stopAtLineSeparators:] (in Foundation)
5 0x00007fff823f202d _NSFastFillAllLayoutHolesForGlyphRange (in AppKit)
6 0x00007fff82948cbb -[NSTextView(NSPrivate) _ensureLayoutCompleteForVisibleRectWithExtensionFactor:minimumExtensionDistance:repetitions:] (in AppKit)
7 0x000000010020d1a3 -[DVTSourceTextView(FoldingSupport) _ensureLayoutCompleteForVisibleRectWithExtension:] (in DVTKit)
8 0x00007fff823ef694 -[NSTextView setNeedsDisplayInRect:avoidAdditionalLayout:] (in AppKit)
9 0x0000000100204b15 -[DVTSourceTextView setNeedsDisplayInRect:avoidAdditionalLayout:] (in DVTKit)
10 0x00007fff823acc3b -[NSView setNeedsDisplay:] (in AppKit)
11 0x0000000100075614 -[NSObject(DVTPropertyLinking) dvt_addObserverWithName:toKeyPath:ofObject:block:] (in DVTFoundation)
12 0x0000000118f0b833 -[IDESourceCodeEditor contentViewDidCompleteLayout] (in IDESourceEditor)
13 0x0000000118f0b115 -[IDESourceCodeEditorContainerView didCompleteLayout] (in IDESourceEditor)
14 0x00000001001d8fc0 +[DVTAutoLayoutView _recursivelyLayoutSubviewsOfView:populatingSetWithLaidOutViews:] (in DVTKit)
15 0x000000010088c2c9 __66-[IDEEditorContext _openNavigableItem:documentExtension:document:]_block_invoke_0 (in IDEKit)
16 0x000000010088be38 -[IDEEditorContext _performBlockInsideReentrantGuard:] (in IDEKit)
17 0x000000010088bd08 -[IDEEditorContext _openNavigableItem:documentExtension:document:] (in IDEKit)
18 0x00000001008bfd31 -[IDEEditorContext _openNavigableItem:documentExtension:] (in IDEKit)
19 0x000000010088b50f -[IDEEditorContext _openNavigableItem:] (in IDEKit)
20 0x00000001008bf033 -[IDEEditorContext _notifyDelegateAndOpenNavigableItem:documentExtensionIdentifier:locationToSelect:annotationRepresentedObject:stateDictionary:annotationWantsIndicatorAnimation:exploreAnnotationRepresentedObject:] (in IDEKit)
21 0x00000001008bb678 -[IDEEditorContext _notifyDelegateAndOpenEditorOpenSpecifier:updateHistory:] (in IDEKit)
22 0x00000001008bb453 -[IDEEditorContext _openEditorOpenSpecifier:updateHistory:] (in IDEKit)
23 0x00000001008bb15e -[IDEEditorContext openEditorOpenSpecifier:] (in IDEKit)
24 0x00000001008bb13b -[IDEEditorModeViewController openEditorOpenSpecifier:editorContext:] (in IDEKit)
25 0x00000001008bb0f9 -[IDEEditorArea _openEditorOpenSpecifier:editorContext:takeFocus:] (in IDEKit)
26 0x0000000100941bcb __108+[IDEEditorCoordinator _doOpenEditorOpenSpecifier:forWorkspaceTabController:editorContext:target:takeFocus:]_block_invoke_0 (in IDEKit)
27 0x00000001008bae5d +[IDEEditorCoordinator _doOpenWithWorkspaceTabController:editorContext:target:allowFallback:documentURL:usingBlock:] (in IDEKit)
28 0x0000000100941ae8 +[IDEEditorCoordinator _doOpenEditorOpenSpecifier:forWorkspaceTabController:editorContext:target:takeFocus:] (in IDEKit)
29 0x00000001008ba899 -[_IDEOpenRequest _runIfNecessary] (in IDEKit)
30 0x00000001008ba2a1 -[_IDEOpenRequest _enqueueForEventBehavior:] (in IDEKit)
31 0x00000001008b9dab +[IDEEditorCoordinator _openRequestForEditorOpenSpecifier:workspaceTabController:editorContext:eventBehavior:takeFocus:] (in IDEKit)
32 0x00000001008b9d00 __99+[IDEEditorCoordinator _openEditorOpenSpecifier:forWorkspaceTabController:eventBehavior:takeFocus:]_block_invoke_0 (in IDEKit)
33 0x00000001008b9c90 _performBlockInsideReentrantGuard (in IDEKit)
34 0x00000001008b9bff +[IDEEditorCoordinator _openEditorOpenSpecifier:forWorkspaceTabController:eventBehavior:takeFocus:] (in IDEKit)
35 0x00000001008b98e9 +[IDEEditorCoordinator openEditorOpenSpecifier:forWorkspaceTabController:eventType:] (in IDEKit)
36 0x000000011d964ed0 -[IDEStructureNavigator addTemplatesFromCompletedContext:] (in IDEStructureNavigator)
37 0x00007fff80ca0562 -[NSBlockOperation main] (in Foundation)
38 0x00007fff80c90cc4 -[__NSOperationInternal start] (in Foundation)
39 0x00007fff80d6fae7 __doStart2 (in Foundation)
40 0x00007fff80d6fcdf ____NSOQSchedule_block_invoke_1 (in Foundation)
41 0x00007fff865f2284 _dispatch_call_block_and_release (in libSystem.B.dylib)
42 0x00007fff865d0df2 _dispatch_queue_drain (in libSystem.B.dylib)
43 0x00007fff865d169f _dispatch_queue_serial_drain_till_empty (in libSystem.B.dylib)
44 0x00007fff8660443c _dispatch_main_queue_callback_4CF (in libSystem.B.dylib)
45 0x00007fff80adc0c8 __CFRunLoopRun (in CoreFoundation)
46 0x00007fff80adadbf CFRunLoopRunSpecific (in CoreFoundation)
47 0x00007fff833ae7ee RunCurrentEventLoopInMode (in HIToolbox)
48 0x00007fff833ae551 ReceiveNextEventCommon (in HIToolbox)
49 0x00007fff833ae4ac BlockUntilNextEventMatchingListInMode (in HIToolbox)
50 0x00007fff823d2e64 _DPSNextEvent (in AppKit)
51 0x00007fff823d27a9 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] (in AppKit)
52 0x00007fff8239848b -[NSApplication run] (in AppKit)
53 0x00007fff823911a8 NSApplicationMain (in AppKit)
54 0x0000000100000eec
答案 0 :(得分：0)
卸载xcode后，使用Snow Leopard磁盘重新安装系统，然后在重新安装之前从头开始运行所有更新。此类重新安装不应影响您的数据或设置。