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Crash with SearchKit

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Crash with SearchKit

Subject: Crash with SearchKit
From: Martin Kahr <email@hidden>
Date: Thu, 17 Mar 2005 23:15:44 +0100

Hi

I'm loading a number of SearchKit Index File into memory and aggregate them into one SearchGroup. Then I start a search on this group. On some rare situations the app crashes during search. Unfortunatly I am unable to reproduce the problem on a machine to which I have direct access.

The stack trace of the crash dump is really strange. It seems like _StoreStreamWriteBytes (= 0x946511bc) has some infinte loop (e.g. because of some unknown condition). Unfortunatly the stack trace does not reveal the initial caller but I think it happens when I call SKSearchResultsCreateWithQuery. btw: Is the stack trace limited to 508 elements?

I have the following function call sequence: 1) initialize IndexRef out of NSData with SKIndexOpenWithData 2) create a SearchGroup out of a NSArray with IndexRefs by using SKSearchGroupCreate 3) search the group by using SKSearchResultsCreateWithQuery 4) copy search results with SKSearchResultsGetInfoInRange -

Initializing the IndexRefs by using SKIndexOpenWithMutableData with an NSMutableData has resulted in the same crash.

So - I am lost on this - has anyone a hint for me?

thanks in advance
   Martin

Crash Log Extract:

Thread 3 Crashed: 0 libSystem.B.dylib 0x90001b00 szone_size + 0 1 libSystem.B.dylib 0x9000a96c malloc_zone_realloc + 0x6c 2 com.apple.CoreFoundation 0x901b41bc __CFDataGrow + 0x64 3 com.apple.CoreFoundation 0x901bf808 CFDataSetLength + 0xdc 4 <<00000000>> 0x9466f080 0 + 0x9466f080 5 <<00000000>> 0x94653b90 0 + 0x94653b90 6 <<00000000>> 0x94652d24 0 + 0x94652d24 7 <<00000000>> 0x94653b24 0 + 0x94653b24 8 <<00000000>> 0x94651164 0 + 0x94651164 9 <<00000000>> 0x946511bc 0 + 0x946511bc .... the same stack trace element ... as Number 9 until the last one (507) 507 <<00000000>> 0x946511bc 0 + 0x946511bc

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