ios - NSURLCache does not clear stored responses in iOS8 -

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I call the sample function when I need to clear the cache and make a new call to the URL 

  - (zero) clearDataFromNSURLCache: (NSString *) urlString {NSURL * requestUrl = [NSURL URLWithString: urlString]; NSURLRequest * dataUrlRequest = [NSRR request request with url: requestUrl]; NSURLCache * cache = [NSURLCache sharedURLCache]; NSCachedURLResponse * cacheResponse = [Cash Cached ResponseAndest: Data URL Request]; If (Cash Response) {NSString * dataStr = [NSString string withUTF8 string: [[Cash response data] bytes]]; NSLog (@ "data SR R =% @", data STR); NSLog (@ "url str r =% @", [[[Cash response response] URL] full string]); [Cash store cached response: Request for zero: data url request); [NSURLCache setSharedURLCache: cache]; } [[NSURLCache shared URLCache] removeCachedResponseForRequest: dataUrlRequest]; // Check that the respnase data from the cache NSURLRequest has been deleted / deleted * finalRequestUrlRequest = [NSURLRequest requestWithURL: requestUrl]; NSURLCache * finalCache = [NSURLCache sharedURLCache]; NSCachedURLResponse * finalcacheResponse = [last cache cacheresposporeandest: finalquest urlestest]; If (finalcacheResponse) {// should not be entered here NSString * finaldataStr = [NSString stringWithUTF8String: [[finalcacheResponse data] bytes]]; NSLog (@ "data string r =% @", final data STR); NSLog (@ "url str r =% @", [[[Cash response response] URL] full string]); }}   
 The response to iOS 6/7 has been successfully removed for requestURL, but it is never removed in iOS 8 I have searched but why not in iOS8 The reason should not be found.  
 Any help would be appreciated ?? | ..   
 
 
  NSURLCache  has been broken on iOS 8.0.x - it Never crashes the cache, so it grows without the limit See detailed cross-checking for cache parts in 8.1 beta - but  removeCachedResponseForRequest:  is  not .  
  removeCachedResponsesSinceDate:   does  work on iOS 8.0 - an API that was added for 8.0, but not yet in the docs Created (this API is in DEFS). I do not make it clear that its use is for anyone - of course, what you normally want to do is remove the cached responses  before  on a particular date.  
  removeAllCachedResponses  well - but this is a real sledgehammer solution

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