Xcode4 在没有池的情况下自动释放

当我在Xcode 4模拟器中运行我的iPhone应用程序时，我得到以下输出，我如何知道是哪个过程导致了这一结果

2011-09-08 15:01:03.807 Mobile[1909:ef03] *** __NSAutoreleaseNoPool(): Object 0x5b08150 of class __NSCFArray autoreleased with no pool in place - just leaking
2011-09-08 15:01:03.808 Mobile[1909:ef03] *** __NSAutoreleaseNoPool(): Object 0x5b05fb0 of class NSCFString autoreleased with no pool in place - just leaking
2011-09-08 15:01:03.809 Mobile[1909:ef03] *** __NSAutoreleaseNoPool(): Object 0x5b05fb0 of class NSCFString autoreleased with no pool in place - just leaking
2011-09-08 15:01:03.810 Mobile[1909:ef03] *** __NSAutoreleaseNoPool(): Object 0x581a730 of class __NSArrayI autoreleased with no pool in place - just leaking
2011-09-08 15:01:03.810 Mobile[1909:ef03] *** __NSAutoreleaseNoPool(): Object 0x5b08300 of class __NSCFSet autoreleased with no pool in place - just leaking
2011-09-08 15:01:03.821 Mobile[1909:ef03] *** __NSAutoreleaseNoPool(): Object 0x5a05930 of class __NSDate autoreleased with no pool in place - just leaking
2011-09-08 15:01:03.824 Mobile[1909:ef03] *** __NSAutoreleaseNoPool(): Object 0x5a06000 of class __NSCFTimer autoreleased with no pool in place - just leaking
2011-09-08 15:01:03.824 Mobile[1909:ef03] *** __NSAutoreleaseNoPool(): Object 0x5b09850 of class __NSDate autoreleased with no pool in place - just leaking

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在我之前放置一些代码时，我在主函数中发现了问题

NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];

因此，我删除了该代码，并将其放在下一行之后

可能的重复项：。