更新到6.2时Xcode构建错误， 错误日志消息如下： UIFont的一个实例没有解码它先前编码的所有值。 想大家！
CompileStoryboard DVTracker/Base.lproj/Main_iPhone.storyboard
cd /Users/liuxj/Work/project/dvtracker/ios/DVTracker
export PATH="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
export XCODE_DEVELOPER_USR_PATH=/Applications/Xcode.app/Contents/Developer/usr/bin/..
/Applications/Xcode.app/Contents/Developer/usr/bin/ibtool --target-device iphone --target-device ipad --errors --warnings --notices --companion-strings-file zh-Hans:/Users/liuxj/Work/project/dvtracker/ios/DVTracker/DVTracker/zh-Hans.lproj/Main_iPhone.strings --module DVTracker --minimum-deployment-target 6.0 --output-partial-info-plist /Users/liuxj/Library/Developer/Xcode/DerivedData/DVTracker-awbnxxnthwxaadaqqvyyrnigodko/Build/Intermediates/DVTracker.build/Debug-iphoneos/DVTracker.build/Main_iPhone-SBPartialInfo.plist --auto-activate-custom-fonts --output-format human-readable-text --compilation-directory /Users/liuxj/Library/Developer/Xcode/DerivedData/DVTracker-awbnxxnthwxaadaqqvyyrnigodko/Build/Products/Debug-iphoneos/DVTracker.app/Base.lproj /Users/liuxj/Work/project/dvtracker/ios/DVTracker/DVTracker/Base.lproj/Main_iPhone.storyboard
2015-03-27 16:14:54.398 Interface Builder Cocoa Touch Tool[9112:195579] *** Assertion failure in -[IBBinaryUnarchiver decodeObject], /SourceCache/IBAutolayoutFoundationIOS/IDEInterfaceBuilder-6751/Foundation/Utilities/IBBinaryUnarchiver.m:217
2015-03-27 16:14:54.787 ibtoold[9075:195421] [MT] DVTAssertions: ASSERTION FAILURE in /SourceCache/IDEInterfaceBuilder/IDEInterfaceBuilder-6751/InterfaceBuilderKit/Utilities/IBAbstractMessageChannelInterfaceBuilderToolProxy.m:40
Details: Failed to compile nib consisting of IBProxyObject, IBProxyObject, IBProxyObject, IBUIBarButtonItem, IBUIBarButtonItem, IBUIImageView, IBUINavigationBar, IBUINavigationItem, IBUITableView, IBUIToolbar, IBUIView, and IBUIView.
遇到与Interface Builder Cocoa Touch Tool通信的错误。如果您选择为此问题提交崩溃报告或Radar，请检查Console.app以获取＆＃34; Interface Builder Cocoa Touch Tool＆＃34;的崩溃报告。并将其内容包含在崩溃报告中。
Exception name: NSInternalInconsistencyException
Exception reason: An instance of UIFont did not decode all of the values it previously encoded.
Exception backtrace:
0. CoreFoundation 0x000000011067ea5d __exceptionPreprocess
1. libobjc.A.dylib 0x000000010f389bb7 objc_exception_throw
2. CoreFoundation 0x000000011067e8da +
3. Foundation 0x000000010efa2b6f -
4. IBFoundation 0x000000010eb27270 -
5. IBFoundation 0x000000010eb2219c -
6. IBFoundation 0x000000010eb21201 +
7. IBFoundation 0x000000010eb271bf -
8. IBFoundation 0x000000010eb217fd -
9. IBFoundation 0x000000010eb21201 +
10. IBFoundation 0x000000010eb271bf -
11. IBFoundation 0x000000010eb2219c -
12. IBFoundation 0x000000010eb21201 +
13. IBFoundation 0x000000010eb271bf -
14. IBFoundation 0x000000010eb217fd -
15. IBFoundation 0x000000010eb21201 +
16. IBFoundation 0x000000010eb271bf -
17. IBFoundation 0x000000010eb2219c -
18. IBFoundation 0x000000010eb21201 +
19. IBFoundation 0x000000010eb271bf -
20. IBFoundation 0x000000010eba31bc -
21. IBFoundation 0x000000010eba2ec0 __88-[IBMessageReceiveChannel runBlockingReceiveLoopNotifyingQueue:notifyingTarget:context:]_block_invoke
22. libdispatch.dylib 0x0000000113c9b964 _dispatch_client_callout
23. libdispatch.dylib 0x0000000113c88818 _dispatch_barrier_sync_f_slow_invoke
24. libdispatch.dylib 0x0000000113c9b964 _dispatch_client_callout
25. libdispatch.dylib 0x0000000113c86a59 _dispatch_main_queue_callback_4CF
26. CoreFoundation 0x00000001105e6749 __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__
27. CoreFoundation 0x00000001105a962b __CFRunLoopRun
28. CoreFoundation 0x00000001105a8bc6 CFRunLoopRunSpecific
29. Foundation 0x000000010ef430d2 -
30. IBFoundation 0x000000010eb81a43 -
31. IBFoundation 0x000000010eb81bcf -
32. IBFoundation 0x000000010eb81e92 +
33. ??? 0x000000010ce11bc7 ???
34. libdyld.dylib 0x0000000113ccc145 start
Exception info:{
}
Function: void IBAssertMarshallingFailure(NSString *__strong, NSString *__strong, NSString *__strong)
Thread: <NSThread: 0x7fcba0d40fd0>{number = 1, name = main}
Hints: None
Backtrace:
0 0x0000000102275a84 -[DVTAssertionHandler handleFailureInFunction:fileName:lineNumber:assertionSignature:messageFormat:arguments:] (in DVTFoundation)
1 0x000000010227521b _DVTAssertionHandler (in DVTFoundation)
2 0x000000010227547e _DVTAssertionFailureHandler (in DVTFoundation)
3 0x0000000103164203 IBAssertMarshallingFailure (in IDEInterfaceBuilderKit)
4 0x0000000108c88341 (in IDEInterfaceBuilderCocoaTouchIntegration)
5 0x0000000108c88f42 (in IDEInterfaceBuilderCocoaTouchIntegration)
6 0x0000000103103b73 -[IBDocumentCompiler invokeWhileUsingSourceAsIntermediateDocument:] (in IDEInterfaceBuilderKit)
7 0x0000000103103e84 -[IBDocumentCompiler invokeWithIntermediateDocumentOfTargetRuntime:alwaysCopy:block:] (in IDEInterfaceBuilderKit)
8 0x0000000108c88747 (in IDEInterfaceBuilderCocoaTouchIntegration)
9 0x0000000108c76bc2 (in IDEInterfaceBuilderCocoaTouchIntegration)
10 0x0000000103303ce2 -[IBStoryboardSceneCompilationGroup compilationResultsForCompilationUnits:options:returningErrors:] (in IDEInterfaceBuilderKit)
11 0x00000001032f4bdc -[IBStoryboardDocumentCompiler compileUnitsFromCompilationGroups:filter:options:errors:] (in IDEInterfaceBuilderKit)
12 0x00000001032f5ea3 __78-[IBStoryboardDocumentCompiler compileContentsOfStoryboardWithOptions:errors:]_block_invoke (in IDEInterfaceBuilderKit)
13 0x00000001031d061f IBWithAutoInvalidationPool (in IDEInterfaceBuilderKit)
14 0x00000001032f5c48 -[IBStoryboardDocumentCompiler compileContentsOfStoryboardWithOptions:errors:] (in IDEInterfaceBuilderKit)
15 0x00000001032f6236 -[IBStoryboardDocumentCompiler internalCompileWithOptions:error:] (in IDEInterfaceBuilderKit)
16 0x0000000108c76dd4 (in IDEInterfaceBuilderCocoaTouchIntegration)
17 0x00000001032f6b70 __57-[IBStoryboardDocumentCompiler compileWithOptions:error:]_block_invoke (in IDEInterfaceBuilderKit)
18 0x0000000103103c90 -[IBDocumentCompiler invokeWithIntermediateDocument:] (in IDEInterfaceBuilderKit)
19 0x0000000103103e34 -[IBDocumentCompiler invokeWithIntermediateDocumentOfTargetRuntime:alwaysCopy:block:] (in IDEInterfaceBuilderKit)
20 0x00000001032f6816 -[IBStoryboardDocumentCompiler compileWithOptions:error:] (in IDEInterfaceBuilderKit)
21 0x0000000103104017 +[IBDocumentCompiler compileContentsOfDocument:options:error:] (in IDEInterfaceBuilderKit)
22 0x00000001030bee13 __47-[IBDocument compiledPackageWithOptions:error:]_block_invoke (in IDEInterfaceBuilderKit)
23 0x00000001030f7585 -[IBDocumentAutolayoutManager assertIfArbitrationIsScheduledDuring:] (in IDEInterfaceBuilderKit)
24 0x00000001030bed67 -[IBDocument compiledPackageWithOptions:error:] (in IDEInterfaceBuilderKit)
25 0x0000000102085ec1 (in ibtoold)
26 0x0000000102082a57 (in ibtoold)
27 0x0000000102085321 (in ibtoold)
28 0x000000010208b227 (in ibtoold)
29 0x000000010208b777 (in ibtoold)
30 0x000000010208b647 (in ibtoold)
31 0x000000010207a44f (in ibtoold)
32 0x000000010208ae11 (in ibtoold)
33 0x000000010208a068 (in ibtoold)
34 0x00007fff809de5c9 start (in libdyld.dylib)
35 0x0000000000000002
Command /Applications/Xcode.app/Contents/Developer/usr/bin/ibtool failed with exit code 255
答案 0 :(得分：0)
此问题已解决。
发生错误是因为导航栏标题字体设置为标题，在源代码中：
<fontDescription key="fontDescription" style="UICTFontTextStyleHeadline"/>
int Xcode 6.1，
但是在Xcode 6.2,6.4,7.0中，它会导致编译错误。
抱歉我的英文。