197096 2019-04-19 00:18:33 -0700 AX: Cannot load local file after loaded online page with a wkWebView on iOS12.2 2019-04-19 22:06:05 -0700 1 1 1 Unclassified WebKit Accessibility Safari 12 iPhone / iPad iOS 12 NEW InRadar P2 Major --- 1 ahut_qyb_6737 webkit-unassigned beidson cdumez webkit-bug-importer oldest_to_newest 1528718 0 ahut_qyb_6737 2019-04-19 00:18:33 -0700 Reproduce on iOS 12.2 device: 1.Create a wkwebView like : WKWebView *webView = [[WKWebView alloc] initWithFrame:CGRectMake(0, 0, size.width, (size.height - 100)/2) configuration:[WKWebViewConfiguration new]]; 2.Load online page like : [webView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:@"https://www.baidu.com"]]]; 3.After webView finish load, load a local file like: NSString *filePath = [[NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) firstObject] stringByAppendingPathComponent:@"test.html"]; [webView loadFileURL:fileURL allowingReadAccessToURL:fileURL]; Then you can see error like: 2019-04-19 15:17:11.107165+0800 TestWKWebView[10686:386533] [ProcessSwapping] 0x1035382c0 - ProvisionalPageProxy::didFailProvisionalLoadForFrame: pageID = 1, frameID = 1, navigationID = 2 2019-04-19 15:17:11.109566+0800 TestWKWebView[10686:386533] didFailProvisionalNavigation = Error Domain=kCFErrorDomainCFNetwork Code=1 "(null)" UserInfo={_NSURLErrorFailingURLSessionTaskErrorKey=LocalDataTask <644E6D87-CC60-4D8D-8B89-3898D4899027>.<31>, _WKRecoveryAttempterErrorKey=<WKReloadFrameErrorRecoveryAttempter: 0x283c87440>} 1528719 1 webkit-bug-importer 2019-04-19 00:18:49 -0700 <rdar://problem/50041855>