CoreData: sporadically messages zombie when adding persistent xml store?
CoreData: sporadically messages zombie when adding persistent xml store?
- Subject: CoreData: sporadically messages zombie when adding persistent xml store?
- From: Jim Correia <email@hidden>
- Date: Wed, 17 Aug 2005 14:36:54 -0400
I have a CoreData application which (for the time being) is using XML
stores.
Recently (with the last day) I've noticed that a deallocated object
is sporadically messaged at startup. It doesn't happen with any
reproducibility (perhaps it is timing sensitive, but when I catch it
in the debugger, thread 1 is adding the persistent store to the
coordinator, and thread 2 is reading the URL.
In case it is relevant, the app starting linking in WebKit (but that
has been there for about a week and this just started happening.)
Has anyone seen this before? Hints? Reproducible case so I can write
a bug?
Thread 1
#0 0x9000a778 in mach_msg_trap
#1 0x9000a6bc in mach_msg
#2 0x9074b338 in __CFRunLoopRun
#3 0x9074ac3c in CFRunLoopRunSpecific
#4 0x928b35d4 in -[NSSynchronousURLConnectionDelegate run:]
#5 0x928b3448 in +[NSURLConnection
sendSynchronousRequest:returningResponse:error:]
#6 0x929ceeb8 in -[NSXMLDocument
initWithContentsOfURL:options:error:]
#7 0x9400df5c in -[NSXMLObjectStore
initWithRootStore:configurationName:options:url:]
#8 0x93ff5150 in -[NSPersistentStoreCoordinator
addPersistentStoreWithType:configuration:URL:options:error:]
Thread 2
#0 0x92950b24 in -[_NSZombie retain]
#1 0x9073f1c8 in CFDictionarySetValue
#2 0x92864244 in -[NSCFDictionary setObject:forKey:]
#3 0x929aa34c in -[NSURLResponse(NSURLResponsePrivate)
_downloadInfoWithInitialData:]
#4 0x929aa394 in -[NSURLResponse(NSURLResponsePrivate)
_downloadAssessmentWithInitialData:]
#5 0x928b4ae4 in -[NSURLConnection(NSURLConnectionInternal)
_sniffForContentType]
#6 0x928b4908 in -[NSURLConnection(NSURLConnectionInternal)
_didLoadData:lengthReceived:]
#7 0x928b3fbc in -[NSFileURLProtocol didLoadData:]
#8 0x928b3cfc in -[NSFileURLProtocol startLoading]
#9 0x928ac5cc in -[NSURLConnection(NSURLConnectionInternal)
_performOriginLoad]
#10 0x928aa680 in _resourceLoaderPerform
#11 0x9074bc8c in __CFRunLoopDoSources0
#12 0x9074b1bc in __CFRunLoopRun
#13 0x9074ac3c in CFRunLoopRunSpecific
#14 0x928aa3e0 in +[NSURLConnection(NSURLConnectionInternal)
_resourceLoadLoop:]
#15 0x92882f34 in forkThreadForFunction
#16 0x9002c3d4 in _pthread_body
Jim
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