相关疑难解决方法(0)

自昨天升级到Lion(10.6-> 10.7)以来,我一直无法编译在升级之前编译没有问题的项目.

这个项目最近的变化甚至不会导致这个错误:如果我从几天或一周前从SVN签出一个项目版本,我在构建时会遇到同样的错误:

"Command /Developer/usr/bin/momc failed with exit code 6",扩展到以下内容:

构建错误:

DataModelVersionCompile /Users/ian/Library/Developer/Xcode/DerivedData/inventory-gtvznzuhomhlakbdpocaqwnrihhx/Build/Products/Debug-iphonesimulator/inventory.app/inventory.momd inventory/inventory.xcdatamodeld
cd /Users/ian/AppsDev/uk.co.isurvey-inventory/ios/inventory/trunk/inventory
setenv PATH "/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
/Developer/usr/bin/momc -XD_MOMC_SDKROOT=/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.3.sdk -XD_MOMC_IOS_TARGET_VERSION=4.3 -MOMC_PLATFORMS iphonesimulator -MOMC_PLATFORMS iphoneos -XD_MOMC_TARGET_VERSION=10.6 /Users/ian/AppsDev/uk.co.isurvey-inventory/ios/inventory/trunk/inventory/inventory/inventory.xcdatamodeld /Users/ian/Library/Developer/Xcode/DerivedData/inventory-gtvznzuhomhlakbdpocaqwnrihhx/Build/Products/Debug-iphonesimulator/inventory.app/inventory.momd

2011-07-21 19:24:44.954 momc[4436:a0b] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[NSXMLDocument initWithData:options:error:]: nil argument'
*** First throw call stack:
(
0   CoreFoundation                      0x00007fff8e411986 __exceptionPreprocess + 198
1   libobjc.A.dylib                     0x00007fff8d0d5d5e objc_exception_throw + 43
2   CoreFoundation                      0x00007fff8e4117ba +[NSException raise:format:arguments:] + 106
3   CoreFoundation                      0x00007fff8e411744 +[NSException raise:format:] + 116
4 …