Am 21.03.2012 um 19:09 schrieb Beatrix Willius:

> After I had a crash report from a customer, where the crash occurs at 
> folderitem.item(index), I was looking around at the MBS plugin for an 
> alternative. I found folderitem.itemsmbs. But there is no documentation what 
> the difference between the Real and the MBS solution is. "Just convenience" 
> is a bit thin. Is this the same or do I have a chance that no crash might 
> occur?

the plugin function calls .Item() to make an array of items. 

> Using RB2011r3, OS 10.7.3, Cocoa!
> 
> The crash report is as follows:
> 
> 0   libSystem.B.dylib                 0x90209920 small_free_list_add_ptr + 21
> 1   libSystem.B.dylib                 0x90206670 szone_free_definite_size + 
> 3621
> 2   libSystem.B.dylib                 0x902055e8 free + 244
> 3   ...ple.CoreServices.CarbonCore    0x97ecf144 FSMount::getattrsbulk(void*, 
> unsigned long, unsigned long*, unsigned long, unsigned long, 
> FSAttributeInfo*, unsigned char*, unsigned char*) + 2620
> 4   ...ple.CoreServices.CarbonCore    0x97ece3d5 PBGetCatalogInfoBulkSync + 
> 649
> 5   ...ple.CoreServices.CarbonCore    0x97ece12f FSGetCatalogInfoBulk + 63
> 6   rbframework.dylib                 0x0130b346 
> FolderItemImpMac2::GetChildByIndex(long, long) + 274
> 7   rbframework.dylib                 0x0136230d FolderItemOpenResourceMovie 
> + 409
> 8   rbframework.dylib                 0x01362374 FolderItemItem + 32
> 9   com.mothsoftware.mailarchiverx    0x000971d8 
> FolderItem.Item%o<FolderItem>%o<FolderItem>i4 + 83


Why would FolderItemItem call FolderItemOpenResourceMovie?
This sounds very strange. 

A crash in memory functions is typically the use of a freed pointer or 
corrupted memory.

Greetings
Christian

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