Re: Why does -[NSURLConnection start] crash?
Re: Why does -[NSURLConnection start] crash?
- Subject: Re: Why does -[NSURLConnection start] crash?
- From: Jeff Johnson <email@hidden>
- Date: Wed, 1 Apr 2009 18:10:18 -0500
Thanks, Dave. The first link does seem to have a workaround for the
crash. (Not sure the second link is the same problem, though.)
Bug filed:
rdar://problem/6747757
The question is whether this is a framework bug or just a
documentation bug. Can anyone from Apple please clarify this?
-Jeff
On Mar 30, 2009, at 4:29 PM, Dave Keck wrote:
I had this problem several months ago, and found several other
references to the issue:
http://veys.com/2008/08/17/nsurlconnection-startimmediatelyno-boom/
http://amromousa.com/2008/08/27/nsurlconnection-timeoutconnection-amdev-woes/
I suppose a bug report is in order...
On Mon, Mar 30, 2009 at 9:32 AM, Jeff Johnson
<email@hidden> wrote:
Here's the sample code:
http://lapcatsoftware.com/downloads/ConnectionStartCrash.m
It crashes when calling this:
_connection = [[NSURLConnection alloc] initWithRequest:request
delegate:self
startImmediately:NO];
[_connection start];
but not this:
_connection = [[NSURLConnection alloc] initWithRequest:request
delegate:self
startImmediately:YES];
Of course, you wouldn't normally want to call [_connection start]
immediately; in my tool, I was using performSelector:afterDelay: to
call it,
and the crash still occurs.
Here's the backtrace:
#0 0x97092152 in CFSetApplyFunction ()
#1 0x95b0cdad in CFNSchedulingSetScheduleSource ()
#2 0x95b375bb in RunLoopMultiplexer::sourceForScheduling ()
#3 0x95b3769a in RunLoopMultiplexer::schedule ()
#4 0x95b88d96 in URLConnectionClient::start ()
#5 0x00001bd9 in -[MyConnectionDelegate connectWithCrash:]
(self=0x103330,
_cmd=0x1f5c, shouldCrash=1 '\001') at
/Users/jeff/Documents/Programming/TestProjects/ConnectionStartCrash/
ConnectionStartCrash.m:24
#6 0x00001d38 in main (argc=1, argv=0xbffff694) at
/Users/jeff/Documents/Programming/TestProjects/ConnectionStartCrash/
ConnectionStartCrash.m:50
The argument for cachePolicy: doesn't seem to matter, by the way.
Am I missing something? Is there some run loop setup I need to
perform?
-Jeff
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