Re: NSURLConnection how to handle 502 error
Re: NSURLConnection how to handle 502 error
- Subject: Re: NSURLConnection how to handle 502 error
- From: Mike Abdullah <email@hidden>
- Date: Mon, 7 Jul 2008 16:45:20 +0100
I don't know the full solution, but for a start, is there a particular
reason you are using a synchronous request? Use the asynchronous API
and the main thread won't be locked.
On 7 Jul 2008, at 16:27, Kanny wrote:
I am still trying to find a solution to quickly resolve the web
server 502 error using NSURLRequest and NSURLConnection. Right now,
even if i set timeoutinterval to 5 seconds, it takes 30 seconds. But
more painful thing is that during that time, it makes the app
unresponsive with the beach ball spinning. Let me know your
strategies to handle 502 error. I would like something like Safari,
it does take time (60-90 sec) to display the error message, but it
doesn't halt the user's interaction with other tabs or windows of
safari.
Alternately, is there a way to specify a strict time duration for a
particular action to execute and return nil if it can't.
Thanks.
-----Original Message-----
From: email@hidden
To: email@hidden
Sent: Sun, 6 Jul 2008 4:25 am
Subject: NSURLConnection timeoutInterval only works in multiples of
30 seconds
Hi,
I am trying to do a periodic update (every 1 minute) based on the
contents of a url, but when the website is down with 5** error, I
would like to not wait more than a couple of seconds. So, I wrote
the following code :
url = [NSURL ...];
updateTimer = [[NSTimer scheduledTimerWithTimeInterval:60.0
target:self selector:@selector(update:)
userInfo:nil repeats:YES] retain];
[updateTimer fire];
-(void)update:(id)sender
{
NSURLRequest *urlRequest = [NSURLRequest requestWithURL:url
cachePolicy:NSURLRequestReloadIgnoringCacheData timeoutInterval:5];
NSURLResponse *urlResponse;
NSLog(@" Before ");
NSData *urlData = [NSURLConnection
sendSynchronousRequest:urlRequest returningResponse:&urlResponse
error:&error];
NSLog(@" After : Error = %@ ",error);
.....
.....
}
But when i run the app, the "After" statement with "timed out"
message is logged after 30 seconds from the "Before" statement. When
I set the timeoutInterval between 30.1 to 59.9, it is printed after
60 seconds and so on. I don't know how to get it to work in desired
time intervals. Any help would be appreciated.
Thanks
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