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Anyone able to help me out with this crash? It happens intermittently when switching back and forth between some UIWebView instances while they are loading.
The crash is often slightly different, but it's always a crash of the "WebThread" with a similar stack trace.
Here's the relevant parts of two crashes:
Date/Time: 2011-11-08 14:29:01.165 -0500 OS Version: iPhone OS 5.0 (9A334) Report Version: 104 Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: KERN_INVALID_ADDRESS at 0x00000006 Crashed Thread: 4 Thread 4 name: WebThread Thread 4 Crashed: 0 ??? 0x00000006 0 + 6 1 WebCore 0x32a36154 -[QuickLookHandleAsDelegate connection:didReceiveData:lengthReceived:] + 72 2 QuickLook 0x30bee2c2 -[QLThreadInvoker connectionDidReceiveDataLengthReceived:] + 90 3 CoreFoundation 0x3537a226 -[NSObject performSelector:withObject:] + 38 4 Foundation 0x32ce2752 __NSThreadPerformPerform + 346 5 CoreFoundation 0x353efafe __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 10 6 CoreFoundation 0x353ef2ca __CFRunLoopDoSources0 + 210 7 CoreFoundation 0x353ee070 __CFRunLoopRun + 648 8 CoreFoundation 0x353714d8 CFRunLoopRunSpecific + 296 9 CoreFoundation 0x353713a0 CFRunLoopRunInMode + 100 10 WebCore 0x324c912a _ZL12RunWebThreadPv + 398 11 libsystem_c.dylib 0x35ba1c18 _pthread_start + 316 12 libsystem_c.dylib 0x35ba1ad4 thread_start + 4
Date/Time: 2011-11-08 15:09:01.410 -0500 OS Version: iPhone OS 5.0 (9A334) Report Version: 104 Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: KERN_INVALID_ADDRESS at 0x00000034 Crashed Thread: 4 Thread 4 name: WebThread Thread 4 Crashed: 0 ??? 0x00000034 0 + 52 1 CoreFoundation 0x3537a226 -[NSObject performSelector:withObject:] + 38 2 Foundation 0x32ce2752 __NSThreadPerformPerform + 346 3 CoreFoundation 0x353efafe __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 10 4 CoreFoundation 0x353ef2ca __CFRunLoopDoSources0 + 210 5 CoreFoundation 0x353ee070 __CFRunLoopRun + 648 6 CoreFoundation 0x353714d8 CFRunLoopRunSpecific + 296 7 CoreFoundation 0x353713a0 CFRunLoopRunInMode + 100 8 WebCore 0x324c912a _ZL12RunWebThreadPv + 398 9 libsystem_c.dylib 0x35ba1c18 _pthread_start + 316 10 libsystem_c.dylib 0x35ba1ad4 thread_start + 4
993
As of iOS 12.0, 'UIWebView' has been explicitly marked as deprecated. Apple is encouraging developers to adopt WKWebView instead, which was introduced in iOS 8.0.
Android is powered by Chrome. Mobile Safari UIWebView. The UIWebView is different from the ordinary Safari browser, as it is not a stand-alone browser, but merely browser functionality that is embedded in a third party app that allows the app to display content from the web.
WebView can be defined as an object which can display the interactive web content and load HTML strings within the iOS application for an in-app browser. It is an instance of the WKWebView class, which inherits the UIView class.
Unlike UIWebView, which does not support server authentication challenges, WKWebView does. In practical terms, this means that when using WKWebView, you can enter site credentials for password-protected websites.
I see that you have iOs 5.0. Are the files that you're loading Office documents (docx, xls)?
If so, then your case is the same as mine. This problem reproduces only on systems with 5.0 (iPad and iPad 2 here), and happens when you try to stop UIWebView object before it finishes loading the file. Whether it's by calling stopLoading or loadRequest
This doesn't happen with txt files.
And if it does, it originates in WebThread starting from line:
#1 0x34912158 in -[QuickLookHandleAsDelegate connection:didReceiveData:lengthReceived:] ()
and jumping to some random pointers like:
#0 0x00000010 in 0x00000010 ()
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