Why does my heartbeat thread crash?

[Michael Domino]

Hi all,




- (void)showLoadingProgress
{
        [progressBar setIndeterminate:YES];
        [progressBar setUsesThreadedAnimation:YES];
        [progressBar startAnimation:self];

}

- (void)hideLoadingProgress
{
        [progressBar stopAnimation:self];
        [NSApp endSheet:[self window] returnCode:0];
        [self close];
}

Thread 3 Crashed:
0   com.apple.CoreGraphics          0x91f90d06 push + 129
1   com.apple.CoreGraphics          0x91f90a66 CGContextSaveGState + 71
2   com.apple.AppKit                       0x9506c177 PSgsave + 190

8   com.apple.Foundation              0x92caa7ed -[NSThread main] + 45

11  libSystem.B.dylib                       0x9008af52 thread_start + 34

Michael Domino
michael.dom...@identityfinder.com

Sometimes this happens in my app, for no apparent reason. Is there an explanation, is there something wrong with my code, or do we have to live with it? I just have a standard window with a standard NSProgressIndicator in it. [NSApp beginSheet:[self window] modalForWindow:[NSApp mainWindow] modalDelegate:self didEndSelector:nil contextInfo:nil]; 3 com.apple.AppKit 0x9506bcae -[NSView lockFocusIfCanDraw] + 660 4 com.apple.AppKit 0x9506b921 -[NSView lockFocus] + 42 5 com.apple.AppKit 0x95132119 -[NSUIHeartBeat lockFocusForView:inRect:needsTranslation:] + 1464 6 com.apple.AppKit 0x9500fc6a - [NSProgressIndicator heartBeat:] + 2304 7 com.apple.AppKit 0x9500f0dc -[NSUIHeartBeat _heartBeatThread:] + 1597 9 com.apple.Foundation 0x92caa394 __NSThread__main__ + 308 10 libSystem.B.dylib 0x9008b095 _pthread_start + 321

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