我正在尝试在iPhone上使用一个外部的UPnP浏览框架。这个框架在Mac上完美地运行，但是当我将它复制到iPhone应用程序中时，即使还没有使用框架的代码，它也无法运行。

它出现了我无法理解的奇怪错误。

[Session started at 2008-10-20 15:32:34 +0200.]
objc[2701]: Class CAAnimationGroup is implemented in both /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore and /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore. Using implementation from /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore.
objc[2701]: Class CATransition is implemented in both /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore and /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore. Using implementation from /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore.
objc[2701]: Class CAKeyframeAnimation is implemented in both /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore and /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore. Using implementation from /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore.
objc[2701]: Class CABasicAnimation is implemented in both /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore and /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore. Using implementation from /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore.
objc[2701]: Class CAPropertyAnimation is implemented in both /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore and /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore. Using implementation from /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore.
objc[2701]: Class CAAnimation is implemented in both /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore and /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore. Using implementation from /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore.
objc[2701]: Class CASlotProxy is implemented in both /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore and /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore. Using implementation from /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore.
objc[2701]: Class CAContextImpl is implemented in both /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore and /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore. Using implementation from /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore.
objc[2701]: Class CAContext is implemented in both /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore and /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore. Using implementation from /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore.
objc[2701]: Class CAFilter is implemented in both /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore and /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore. Using implementation from /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore.
objc[2701]: Class CALayer is implemented in both /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore and /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore. Using implementation from /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore.
objc[2701]: Class CAMediaTimingFunction is implemented in both /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore and /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore. Using implementation from /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore.
objc[2701]: Class CAScrollLayer is implemented in both /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore and /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore. Using implementation from /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore.
objc[2701]: Class CATransaction is implemented in both /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore and /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore. Using implementation from /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore.
objc[2701]: Class CATransformLayer is implemented in both /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore and /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore. Using implementation from /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore.
objc[2701]: Class CATiledLayer is implemented in both /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore and /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore. Using implementation from /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/Frameworks/QuartzCore.framework/QuartzCore.
objc[2701]: Class NSCursor is implemented in both /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit and /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/PrivateFrameworks/WebCore.framework/WebCore. Using implementation from /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.0.sdk/System/Library/PrivateFrameworks/WebCore.framework/WebCore.

[Session started at 2008-10-20 15:32:37 +0200.]
Loading program into debugger…
GNU gdb 6.3.50-20050815 (Apple version gdb-962) (Sat Jul 26 08:14:40 UTC 2008)
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This GDB was configured as "i386-apple-darwin".warning: Unable to read symbols for "/System/Library/Frameworks/UIKit.framework/UIKit" (file not found).
warning: Unable to read symbols from "UIKit" (not yet mapped into memory).
warning: Unable to read symbols for "/System/Library/Frameworks/CoreGraphics.framework/CoreGraphics" (file not found).
warning: Unable to read symbols from "CoreGraphics" (not yet mapped into memory).
Program loaded.
sharedlibrary apply-load-rules all
Attaching to program: `/Users/danielchong/Library/Application Support/iPhone Simulator/User/Applications/305F04A8-840D-4A1A-ADD8-59CEC674152E/uPnP Browser2.app/uPnP Browser2 , process 2701.
(gdb)