小编use*_*489的帖子

少数网站崩溃我们的应用程序.它似乎与JavaScript有关.关于我能做些什么的任何想法都将非常感激.

2012-02-14 14:17:06.356 AppName[18347:17f03] CRASH: -[__NSCFDictionary setObject:forKey:]: attempt to insert nil key

2012-02-14 14:17:06.358 AppName[18347:17f03] Stack Trace: (
0   CoreFoundation                      0x02c3806e __exceptionPreprocess + 206
1   libobjc.A.dylib                     0x02dc9d0a objc_exception_throw + 44
2   CoreFoundation                      0x02be0a78 +[NSException raise:format:arguments:] + 136
3   CoreFoundation                      0x02be09e9 +[NSException raise:format:] + 57
4   CoreFoundation                      0x02c372b9 -[__NSCFDictionary setObject:forKey:] + 169
5   WebKit                              0x03f67d2d -[WebHistoryPrivate visitedURL:withTitle:increaseVisitCount:] + 285
6   WebKit                              0x03f688c3 -[WebHistory(WebInternal) _visitedURL:withTitle:method:wasFailure:increaseVisitCount:] + 67
7   WebKit                              0x03f5cf3f _ZN20WebFrameLoaderClient19updateGlobalHistoryEv + 921
8   WebCore                             0x043d2c64 _ZN7WebCore17HistoryController12replaceStateEN3WTF10PassRefPtrINS_21SerializedScriptValueEEERKNS1_6StringES7_ + 308
9   WebCore                             0x043d27e9 …