Core data 减少CoreData中的重试时间-请参阅下文

这是日志中显示的内容，请参阅延迟后重试：60秒

 2013-10-09 15:21:59.807 MyApp[4848:6507] -[PFUbiquitySafeSaveFile waitForFileToUpload:](299): CoreData: Ubiquity:  <PFUbiquityPeerReceipt: 0x15e09de0>(0)
        permanentLocation: <PFUbiquityLocation: 0x15e22100>: /var/mobile/Library/Mobile Documents/HHWT75NS6T~com~xyz~MyApp/CoreData/New Project retry 2/mobile~A3BF465A-15C7-46F2-8C68-AC8F49FD15AB/New Project retry 2/W8MckEJ0x2d~HZZIeUH2be6hs41TEOONzKIrCuLcuP4=/receipt.0.cdt
        safeLocation: <PFUbiquityLocation: 0x15ec4660>: /var/mobile/Library/Mobile Documents/HHWT75NS6T~com~xyz~MyApp/CoreData/New Project retry 2/mobile~A3BF465A-15C7-46F2-8C68-AC8F49FD15AB/New Project retry 2/W8MckEJ0x2d~HZZIeUH2be6hs41TEOONzKIrCuLcuP4=/mobile~A3BF465A-15C7-46F2-8C68-AC8F49FD15AB.0.cdt
        currentLocation: <PFUbiquityLocation: 0x15ec4660>: /var/mobile/Library/Mobile Documents/HHWT75NS6T~com~xyz~MyApp/CoreData/New Project retry 2/mobile~A3BF465A-15C7-46F2-8C68-AC8F49FD15AB/New Project retry 2/W8MckEJ0x2d~HZZIeUH2be6hs41TEOONzKIrCuLcuP4=/mobile~A3BF465A-15C7-46F2-8C68-AC8F49FD15AB.0.cdt

        kv: (null)

    Safe save failed for file, error: Error Domain=NSCocoaErrorDomain Code=260 "The operation couldn’t be completed. (Cocoa error 260 - Request for item properties on non-existent item.)" UserInfo=0x15eaedf0 {NSDescription=Request for item properties on non-existent item.}
    2013-10-09 15:21:59.809 iProjectiPad[4848:6507] -[PFUbiquitySetupAssistant finishSetupWithRetry:](811): CoreData: Ubiquity:  <PFUbiquitySetupAssistant: 0x15e4e520>: Retrying after delay: 60

2013-10-09 15:21:59.807 MyApp[4848:6507]-[PFUbiquitySafeSaveFile waitForFileToUpload:（299）：核心数据：普遍性：（0）
永久位置：：/var/mobile/Library/mobile Documents/HHWT75NS6T~com~xyz~MyApp/CoreData/New Project retry 2/mobile~A3BF465A-15C7-46F2-8C68-AC8F49FD15AB/New Project retry 2/W8MckEJ0x2d~hzzieuh2b6hs41teoonzkirculcup4=/receive.0.cdt
安全位置：：/var/mobile/Library/mobile Documents/HHWT75NS6T~com~xyz~MyApp/CoreData/New Project retry 2/mobile~A3BF465A-15C7-46F2-8C68-AC8F49FD15AB/New Project retry 2/W8MckEJ0x2d~HZZIeUH2be6hs41TEOONzKIrCuLcuP4=/mobile~A3BF465A-15C7-46F2-8C68-AC8F49FD15AB.0.cdt
当前位置：：/var/mobile/Library/mobile Documents/HHWT75NS6T~com~xyz~MyApp/CoreData/New Project retry 2/mobile~A3BF465A-15C7-46F2-8C68-AC8F49FD15AB/New Project retry 2/W8MckEJ0x2d~HZZIeUH2be6hs41TEOONzKIrCuLcuP4=/mobile~A3BF465A-15C7-46F2-8C68-AC8F49FD15AB.0.cdt
千伏：（空）
文件的安全保存失败，错误：错误域=NSCOCAERRORDOMAIN代码=260“该操作无法完成。（Cocoa错误260-请求不存在项上的项属性。）”用户信息=0x15eaedf0{NSDescription=请求不存在项上的项属性。}
2013-10-09 15:21:59.809 IProjectPad[4848:6507]-[PFUbiquitySetupAssistant finishSetupWithRetry:（811）：核心数据：普遍性：：延迟后重试：60