错误域=NSURLErrorDomain代码=-1005“网络连接丢失。”

I have an application which works fine on Xcode6-Beta1 and Xcode6-Beta2 with both iOS7 and iOS8. But with Xcode6-Beta3, Beta4, Beta5 I'm facing network issues with iOS8 but everything works fine on iOS7. I get the error I have an application which works fine on Xcode