iPhone アプリを Xcode 4 シミュレーターで実行すると、次の出力が表示されます。これを引き起こしている手順を知るにはどうすればよいですか?
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