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Asked: 2026-06-14T00:45:09+00:00

I’ve set up a UILabel, which gets its content from parse.com. All worked fine,

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I’ve set up a UILabel, which gets its content from parse.com. All worked fine, until I enabled fly mode. At the view which loads the label I get very long loading time and the console gives me that code:

    2012-11-08 21:07:41.179 My App[5275:907] Warning: A long-running Parse operation is being executed on the main thread. 
 Break on warnParseOperationOnMainThread() to debug.
2012-11-08 21:07:41.231 My App[5275:907] Error: Error Domain=NSURLErrorDomain Code=-1009 "Es besteht anscheinend keine Verbindung zum Internet." UserInfo=0x1e5c2f00 {NSErrorFailingURLStringKey=https://api.parse.com/2/find, NSErrorFailingURLKey=https://api.parse.com/2/find, NSLocalizedDescription=Es besteht anscheinend keine Verbindung zum Internet., NSUnderlyingError=0x1e5c1d70 "Es besteht anscheinend keine Verbindung zum Internet."} (Code: 100, Version: 1.1.14)
2012-11-08 21:07:41.232 My App[5275:907] Network connection failed. Making attempt 2 after sleeping for 1.287663 seconds.
2012-11-08 21:07:42.582 My App[5275:907] Error: Error Domain=NSURLErrorDomain Code=-1009 "Es besteht anscheinend keine Verbindung zum Internet." UserInfo=0x1e5c6f00 {NSErrorFailingURLStringKey=https://api.parse.com/2/find, NSErrorFailingURLKey=https://api.parse.com/2/find, NSLocalizedDescription=Es besteht anscheinend keine Verbindung zum Internet., NSUnderlyingError=0x1e5c6f40 "Es besteht anscheinend keine Verbindung zum Internet."} (Code: 100, Version: 1.1.14)
2012-11-08 21:07:42.583 My App[5275:907] Network connection failed. Making attempt 3 after sleeping for 2.575326 seconds.
2012-11-08 21:07:45.215 My App[5275:907] Error: Error Domain=NSURLErrorDomain Code=-1009 "Es besteht anscheinend keine Verbindung zum Internet." UserInfo=0x1f88bd90 {NSErrorFailingURLStringKey=https://api.parse.com/2/find, NSErrorFailingURLKey=https://api.parse.com/2/find, NSLocalizedDescription=Es besteht anscheinend keine Verbindung zum Internet., NSUnderlyingError=0x1f88c840 "Es besteht anscheinend keine Verbindung zum Internet."} (Code: 100, Version: 1.1.14)
2012-11-08 21:07:45.216 My App[5275:907] Network connection failed. Making attempt 4 after sleeping for 5.150652 seconds.
2012-11-08 21:07:50.383 My App[5275:907] Error: Error Domain=NSURLErrorDomain Code=-1009 "Es besteht anscheinend keine Verbindung zum Internet." UserInfo=0x1f88c310 {NSErrorFailingURLStringKey=https://api.parse.com/2/find, NSErrorFailingURLKey=https://api.parse.com/2/find, NSLocalizedDescription=Es besteht anscheinend keine Verbindung zum Internet., NSUnderlyingError=0x1f88b4a0 "Es besteht anscheinend keine Verbindung zum Internet."} (Code: 100, Version: 1.1.14)
2012-11-08 21:07:50.384 My App[5275:907] Network connection failed. Making attempt 5 after sleeping for 10.301305 seconds.
2012-11-08 21:08:00.743 My App[5275:907] Error: Error Domain=NSURLErrorDomain Code=-1009 "Es besteht anscheinend keine Verbindung zum Internet." UserInfo=0x1e5c8160 {NSErrorFailingURLStringKey=https://api.parse.com/2/find, NSErrorFailingURLKey=https://api.parse.com/2/find, NSLocalizedDescription=Es besteht anscheinend keine Verbindung zum Internet., NSUnderlyingError=0x1f88e450 "Es besteht anscheinend keine Verbindung zum Internet."} (Code: 100, Version: 1.1.14)

“Es besteht anscheinend keine Verbindung zum Internet” means that theres no connection to the internet.

Is there a way to solve this?

Thanks

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1 Answer

  1. Editorial Team

    Don’t do networking on the main thread – ever 🙂

    dispatch_async a block and only set the label’s text on the main thread.

    - (void)doLongOperation:(id)someParam withCompletionHandler:(void (^)(NSString *newLabelString))completionHandler {
    dispatch_async(dispatch_get_global_queue(0,0), ^{
        NSString *labelString = /*do call to parse OR any other long running operation*/

        if ( completionHandler ) {
            dispatch_async(dispatch_get_main_queue(), ^{
            completionHandler(labelString); 
        });
    });
}

// now in your main app call it
[self doLongOperation:nil /*we dont need anything here*/ withCompletionHandler:^(NSString *newLabelString) {
    self.label.text = newLabelString;
}];
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