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我在AppStore上有一個應用程序，它在iOS6 & iOS7上工作。- [NSConcreteMutableAttributedString _encodingCantBeStoredInEightBitCFString]：發送到實例的無法識別的選擇器
我有一個用戶在iOS6上不斷崩潰。 我不知道他在應用程序上做什麼來獲取崩潰，並且我在Crashlytics上獲得的後退不會幫助我...
做有人知道是什麼導致了[NSConcreteMutableAttributedString _encodingCantBeStoredInEightBitCFString]: unrecognized selector？ 它似乎只發生在iOS6上...
預先感謝您！
（我不能添加一些代碼，因爲我不知道是什麼導致了這一點，並希望有人確實成功解決這個問題）
Thread : Fatal Exception: NSInvalidArgumentException
0 CoreFoundation 0x33ee82a3 __exceptionPreprocess + 162
1 libobjc.A.dylib 0x3bb4497f objc_exception_throw + 30
2 CoreFoundation 0x33eebe07 -[NSObject(NSObject) doesNotRecognizeSelector:] + 170
3 CoreFoundation 0x33eea531 ___forwarding___ + 392
4 CoreFoundation 0x33e41f68 _CF_forwarding_prep_0 + 24
5 CoreFoundation 0x33ecb49d __CFStringCheckAndReplace + 484
6 CoreFoundation 0x33e430a7 -[__NSCFString replaceCharactersInRange:withString:] + 22
7 Foundation 0x3475687f -[NSConcreteMutableAttributedString replaceCharactersInRange:withString:] + 362
8 Foundation 0x34756295 -[NSConcreteMutableAttributedString initWithString:attributes:] + 228
9 UIKit 0x35d84d5f -[NSAttributedString(UILabelAdditions) _ui_synthesizeAttributedSubstringFromRange:usingDefaultAttributes:] + 86
10 UIKit 0x35d84ab5 -[UILabel _synthesizedAttributedText] + 148
11 UIKit 0x35cfacbd -[UILabel _textRectForBounds:limitedToNumberOfLines:includingShadow:] + 132
12 UIKit 0x35cfac27 -[UILabel textRectForBounds:limitedToNumberOfLines:] + 54
13 UIKit 0x35d611c7 -[UILabel _intrinsicSizeWithinSize:] + 158
14 UIKit 0x35f280a7 -[UILabel intrinsicContentSize] + 90
15 UIKit 0x3612c987 -[UIView(UIConstraintBasedLayout) _generateContentSizeConstraints] + 30
16 UIKit 0x3612c939 -[UIView(UIConstraintBasedLayout) _updateContentSizeConstraints] + 72
17 UIKit 0x3612ef3d -[UIView(AdditionalLayoutSupport) updateConstraints] + 84
18 UIKit 0x3612ee47 -[UIView(AdditionalLayoutSupport) _updateConstraintsIfNeeded] + 182
19 CoreFoundation 0x33e2e74d CFArrayApplyFunction + 176
20 UIKit 0x3612edfb -[UIView(AdditionalLayoutSupport) _updateConstraintsIfNeeded] + 106
21 CoreFoundation 0x33e2e74d CFArrayApplyFunction + 176
22 UIKit 0x3612edfb -[UIView(AdditionalLayoutSupport) _updateConstraintsIfNeeded] + 106
23 CoreFoundation 0x33e2e74d CFArrayApplyFunction + 176
24 UIKit 0x3612edfb -[UIView(AdditionalLayoutSupport) _updateConstraintsIfNeeded] + 106
25 CoreFoundation 0x33e2e74d CFArrayApplyFunction + 176
26 UIKit 0x3612edfb -[UIView(AdditionalLayoutSupport) _updateConstraintsIfNeeded] + 106
27 CoreFoundation 0x33e2e74d CFArrayApplyFunction + 176
28 UIKit 0x3612edfb -[UIView(AdditionalLayoutSupport) _updateConstraintsIfNeeded] + 106
29 CoreFoundation 0x33e2e74d CFArrayApplyFunction + 176
30 UIKit 0x3612edfb -[UIView(AdditionalLayoutSupport) _updateConstraintsIfNeeded] + 106
31 CoreFoundation 0x33e2e74d CFArrayApplyFunction + 176
32 UIKit 0x3612edfb -[UIView(AdditionalLayoutSupport) _updateConstraintsIfNeeded] + 106
33 CoreFoundation 0x33e2e74d CFArrayApplyFunction + 176
34 UIKit 0x3612edfb -[UIView(AdditionalLayoutSupport) _updateConstraintsIfNeeded] + 106
35 Foundation 0x3489c883 -[NSISEngine withAutomaticOptimizationDisabled:] + 166
36 UIKit 0x36128de1 -[UIWindow(UIConstraintBasedLayout) updateConstraintsIfNeeded] + 124
37 UIKit 0x35cf33f3 -[UIView(Hierarchy) layoutBelowIfNeeded] + 66
38 UIKit 0x35d9292d -[UITableViewHeaderFooterView setFrame:] + 188
39 UIKit 0x35eedf51 __105-[UITableView(UITableViewInternal) _sectionHeaderView:withFrame:forSection:floating:reuseViewIfPossible:]_block_invoke_0 + 144
40 UIKit 0x35d3e0a9 +[UIView(Animation) _performWithoutAnimation:] + 72
41 UIKit 0x35d926cb -[UITableView(UITableViewInternal) _sectionHeaderView:withFrame:forSection:floating:reuseViewIfPossible:] + 242
42 UIKit 0x35d925d3 -[UITableView(UITableViewInternal) _sectionHeaderViewWithFrame:forSection:floating:reuseViewIfPossible:] + 58
43 UIKit 0x35d22041 -[UITableView(_UITableViewPrivate) _updateVisibleHeadersAndFootersNow:] + 1600
44 UIKit 0x35d2050b -[UITableView(_UITableViewPrivate) _updateVisibleCellsNow:] + 1814
45 UIKit 0x35d377cf -[UITableView layoutSubviews] + 206
46 UIKit 0x35cf3803 -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 258
47 QuartzCore 0x35a9dd8b -[CALayer layoutSublayers] + 214
48 QuartzCore 0x35a9d929 CA::Layer::layout_if_needed(CA::Transaction*) + 460
49 QuartzCore 0x35a9e85d CA::Layer::layout_and_display_if_needed(CA::Transaction*) + 16
50 QuartzCore 0x35a9e243 CA::Context::commit_transaction(CA::Transaction*) + 238
51 QuartzCore 0x35a9e051 CA::Transaction::commit() + 316
52 QuartzCore 0x35a9deb1 CA::Transaction::observer_callback(__CFRunLoopObserver*, unsigned long, void*) + 60
53 CoreFoundation 0x33ebd6cd __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 20
54 CoreFoundation 0x33ebb9c1 __CFRunLoopDoObservers + 276
55 CoreFoundation 0x33ebbd17 __CFRunLoopRun + 742
56 CoreFoundation 0x33e2eebd CFRunLoopRunSpecific + 356
57 CoreFoundation 0x33e2ed49 CFRunLoopRunInMode + 104
58 GraphicsServices 0x379ab2eb GSEventRunModal + 74
59 UIKit 0x35d44301 UIApplicationMain + 1120
60 MyApp 0x00029087 main (main.m:19)
61 libdyld.dylib 0x3bf7bb20 start
這是某個地方你正在做一些與標籤有關的東西，系統認爲它可以使用屬性字符串來實現你所要求的效果。 – 2014-09-10 11:48:05