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Re: EXC_BAD_ACCESS in -[NSNetServiceBrowser _dispatchCallBack:flags:error:] ()




Am 20.12.2005 um 17:57 schrieb Chris Parker:

Hello Ruotger -

On Dec 20, 2005, at 5:29 AM, Ruotger Skupin wrote:

I got this bad access crash in my app. Any hints, what could have gone wrong?


[Switching to process 3134 local thread 0xf03]
[Switching to process 3134 local thread 0xf03]
Program received signal: "EXC_BAD_ACCESS".
(gdb) bt
#0 0xfffeff20 in objc_msgSend_rtp ()
#1 0x9295d03c in -[NSNetServiceBrowser _dispatchCallBack:flags:error:] ()
#2 0x9295cea0 in _netServiceBrowserDispatchCallBack ()
#3 0x90f24dc8 in _BrowseReply ()

The most likely thing is that the delegate of the NSNetServiceBrowser has been released & the NSNetServiceBrowser is still expecting it to be there.


If your delegate is going to go away, you'll have to call - [NSNetServiceBrowser setDelegate:] with 'nil' as the parameter to ensure that the browser doesn't try to send messages to a dead object.

I do exactly that in the dealloc method of the class that is the delegate. The crash occurs only sporadicly. Is there anything else I could try?





Failure is not an option, It's a privilege reserved for those who dare to try.


Ruotger Skupin
Mac OS X Software Engineering

ilink Kommunikationssysteme GmbH
Münzstr. 13; 10178 Berlin - Germany

email@hidden



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References: 
 >EXC_BAD_ACCESS in -[NSNetServiceBrowser _dispatchCallBack:flags:error:] () (From: Ruotger Skupin <email@hidden>)
 >Re: EXC_BAD_ACCESS in -[NSNetServiceBrowser _dispatchCallBack:flags:error:] () (From: Chris Parker <email@hidden>)



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