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https://issues.apache.org/jira/browse/WEEX-145?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Adam Feng resolved WEEX-145.
----------------------------
Resolution: Fixed
> Crash in WXScrollerComponent scrollViewDidScroll,Collection was mutated while
> being enumerated
> ----------------------------------------------------------------------------------------------
>
> Key: WEEX-145
> URL: https://issues.apache.org/jira/browse/WEEX-145
> Project: Weex
> Issue Type: Bug
> Components: iOS
> Environment: OS Version: iPhone OS 10.3.3
> Reporter: lihui
> Assignee: Adam Feng
> Priority: Major
> Original Estimate: 8h
> Remaining Estimate: 8h
>
> we use scroll component and parallax in our page. When we pull to refresh,
> sometime we got a crash. The stack like this :
> Exception Type: SIGABRT
> Exception Codes: #0 at 0x1828d5014
> Triggered by Thread: 0
> Application Specific Information:
> *** Terminating app due to uncaught exception 'NSGenericException', reason:
> '*** Collection <NSConcreteHashTable: 0x170320000> was mutated while being
> enumerated.'
> Last Exception Backtrace:
> 0 CoreFoundation 0x00000001838dafe0 __exceptionPreprocess
> :124 (in CoreFoundation)
> 1 libobjc.A.dylib 0x000000018233c538 _objc_exception_throw
> :56 (in libobjc.A.dylib)
> 2 CoreFoundation 0x00000001838daa30
> __NSFastEnumerationMutationHandler :128 (in CoreFoundation)
> 3 Foundation 0x00000001842cd3cc -[NSConcreteHashTable
> countByEnumeratingWithState:objects:count:] :72 (in Foundation)
> 4 Youku4iPhoneWithoutExtension 0x0000000101936e88 -[WXScrollerComponent
> scrollViewDidScroll:] WXScrollerComponent.m:551 (in
> Youku4iPhoneWithoutExtension)
> 5 Youku4iPhoneWithoutExtension 0x00000001019a99d0 -[WXListComponent
> scrollViewDidScroll:] WXListComponent.m:630 (in Youku4iPhoneWithoutExtension)
> 6 UIKit 0x0000000189d1e46c
> -[UIScrollView(UIScrollViewInternal) _notifyDidScroll] :76 (in UIKit)
> 7 UIKit 0x0000000189a2a84c -[UIScrollView
> setContentOffset:] :436 (in UIKit)
> 8 Youku4iPhoneWithoutExtension 0x000000010174ba90
> -[UIScrollView(UTViewExposure) utexposure_setContentOffset:] :40 (in
> Youku4iPhoneWithoutExtension)
> 9 UIKit 0x0000000189ae11dc -[UITableView
> setContentOffset:] :272 (in UIKit)
> 10 Youku4iPhoneWithoutExtension 0x00000001019a5b2c -[WXTableView
> setContentOffset:] WXListComponent.m:63 (in Youku4iPhoneWithoutExtension)
> 11 UIKit 0x0000000189bbbaa0
> -[UIScrollViewScrollAnimation setProgress:] :284 (in UIKit)
> 12 UIKit 0x0000000189bbb790 -[UIAnimator(Static)
> _advanceAnimationsOfType:withTimestamp:] :280 (in UIKit)
> 13 QuartzCore 0x0000000186aed5dc
> CA::Display::DisplayLinkItem::dispatch(unsigned long long) :44 (in QuartzCore)
> 14 QuartzCore 0x0000000186aed48c
> CA::Display::DisplayLink::dispatch_items(unsigned long long, unsigned long
> long, unsigned long long) :436 (in QuartzCore)
> 15 IOKit 0x0000000183b47b9c 0x0000000183b42000 +
> 23452
> 16 CoreFoundation 0x0000000183871960 __CFMachPortPerform
> :180 (in CoreFoundation)
> 17 CoreFoundation 0x0000000183889ae4
> __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ :56 (in
> CoreFoundation)
> 18 CoreFoundation 0x0000000183889284 __CFRunLoopDoSource1
> :436 (in CoreFoundation)
> 19 CoreFoundation 0x0000000183886d98 __CFRunLoopRun :1752
> (in CoreFoundation)
> 20 CoreFoundation 0x00000001837b6da4 _CFRunLoopRunSpecific
> :424 (in CoreFoundation)
> 21 GraphicsServices 0x0000000185221074 _GSEventRunModal :100
> (in GraphicsServices)
> 22 UIKit 0x0000000189a71c9c _UIApplicationMain
> :208 (in UIKit)
> 23 Youku4iPhoneWithoutExtension 0x00000001000f948c main main.m:24 (in
> Youku4iPhoneWithoutExtension)
> 24 libdyld.dylib 0x00000001827c559c _start :4 (in
> libdyld.dylib)
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