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Exception getting shared font panel
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Exception getting shared font panel


  • Subject: Exception getting shared font panel
  • From: Gideon King <email@hidden>
  • Date: Mon, 22 Aug 2011 19:11:23 +1000

I've had a report from a user of the following segv exception on 10.7.1:

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 com.apple.CoreText 0x00007fff94955f89 _ZL39CTFontDescriptorsCopyAttributesInternalPK9__CFArrayPK7__CFSetjb + 270
1 com.apple.CoreText 0x00007fff94955e5a CTFontDescriptorsCopyAttribute + 71
2 com.apple.CoreText 0x00007fff94955a9b TCollection::CopyFontAttribute(__CFString const*, unsigned int) const + 41
3 com.apple.AppKit 0x00007fff8c77c365 -[NSFontManager _availableFontFamiliesForCollectionName:] + 105
4 com.apple.AppKit 0x00007fff8c77a20e -[NSFontManager _familyNamesForCollection:] + 46
5 com.apple.AppKit 0x00007fff8c774a06 -[NSFontPanel numberOfRowsInTableView:] + 112
6 com.apple.AppKit 0x00007fff8c6600eb -[NSTableView _uncachedNumberOfRows] + 125
7 com.apple.AppKit 0x00007fff8c5faa8f -[_NSTableRowHeightStorage numberOfRows] + 63
8 com.apple.AppKit 0x00007fff8c5faa4e -[NSTableView numberOfRows] + 40
9 com.apple.AppKit 0x00007fff8c661ce3 -[NSTableView _verifySelectionIsOK] + 135
10 com.apple.AppKit 0x00007fff8c661913 -[NSTableView _tileAndRedisplayAll] + 358
11 com.omnigroup.OmniAppKit 0x000000010058fea4 -[NSTableView(OAColumnConfigurationExtensions) _configurableColumnReplacementReloadData] + 20
12 com.apple.AppKit 0x00007fff8c77bad0 -[NSFontPanel _chooseCollection:] + 1087
13 com.apple.AppKit 0x00007fff8c77769a -[NSFontPanel _setup] + 1650
14 com.apple.AppKit 0x00007fff8c76fbee -[NSFontPanel initWithContentRect:styleMask:backing:defer:] + 765
15 com.apple.AppKit 0x00007fff8c76f8ea -[NSPanel init] + 99
16 com.apple.AppKit 0x00007fff8c76f76f +[NSFontPanel sharedFontPanel] + 87

Any ideas what could cause this, or whether there is anything I can do to avoid the issue? It seems to be very rare, but any crash makes my software look bad...



Thanks

Gideon






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