Question

我们收到了这样的崩溃日志（仅在iOS 9上崩溃）：

崩溃：com.apple.main-thread EXC_BAD_ACCESS 0x00000000815fe0fd

详情

import { NativeModules } from 'react-native'; 

export default class App extends Component {
  constructor(props) {
    super(props);
    this.openSettings = this.openSettings.bind(this);
  }

  openSettings() {
    NativeModules.OpenSettings.openNetworkSettings(data => {
      console.log('call back data', data);
    });
  }

  render() {
    return (
      <View style={styles.container}>
        <Text onPress={this.openSettings}>Open Android Settings</Text>
      </View>
    );
  }
}

我们使用Crashed: com.apple.main-thread 0 WebKit 0x281aa862 std::__1::__function::__func<WebKit::WebsiteDataStore::fetchData(WebKit::WebsiteDataTypes, std::__1::function<void (WTF::Vector<WebKit::WebsiteDataRecord, 0ul, WTF::CrashOnOverflow, 16ul>)>)::$_0, std::__1::allocator<WebKit::WebsiteDataStore::fetchData(WebKit::WebsiteDataTypes, std::__1::function<void (WTF::Vector<WebKit::WebsiteDataRecord, 0ul, WTF::CrashOnOverflow, 16ul>)>)::$_0>, void (WebKit::WebsiteData)>::destroy_deallocate() + 29 1 libobjc.A.dylib 0x20a37e09 object_dispose + 20 2 WebKit 0x2808fbaf std::__1::__function::__func<WebKit::NetworkProcessProxy::fetchWebsiteData(WebCore::SessionID, WebKit::WebsiteDataTypes, std::__1::function<void (WebKit::WebsiteData)>)::$_0, std::__1::allocator<WebKit::NetworkProcessProxy::fetchWebsiteData(WebCore::SessionID, WebKit::WebsiteDataTypes, std::__1::function<void (WebKit::WebsiteData)>)::$_0>, void (WebKit::WebsiteData)>::destroy_deallocate() + 30 3 WebKit 0x280518d5 WTF::HashTable<unsigned long long, WTF::KeyValuePair<unsigned long long, std::__1::function<void (WebKit::WebsiteData)> >, WTF::KeyValuePairKeyExtractor<WTF::KeyValuePair<unsigned long long, std::__1::function<void (WebKit::WebsiteData)> > >, WTF::IntHash<unsigned long long>, WTF::HashMap<unsigned long long, std::__1::function<void (WebKit::WebsiteData)>, WTF::IntHash<unsigned long long>, WTF::HashTraits<unsigned long long>, WTF::HashTraits<std::__1::function<void (WebKit::WebsiteData)> > >::KeyValuePairTraits, WTF::HashTraits<unsigned long long> >::deallocateTable(WTF::KeyValuePair<unsigned long long, std::__1::function<void (WebKit::WebsiteData)> >*, unsigned int) + 48 4 WebKit 0x2808f449 WebKit::NetworkProcessProxy::networkProcessCrashedOrFailedToLaunch() + 252 5 JavaScriptCore 0x246f7a4f WTF::RunLoop::performWork() + 310 6 JavaScriptCore 0x246f7ebb WTF::RunLoop::performWork(void*) + 22 7 CoreFoundation 0x21255dff __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 14 8 CoreFoundation 0x212559ed __CFRunLoopDoSources0 + 452 9 CoreFoundation 0x21253d5b __CFRunLoopRun + 794 10 CoreFoundation 0x211a3229 CFRunLoopRunSpecific + 520 11 CoreFoundation 0x211a3015 CFRunLoopRunInMode + 108 12 GraphicsServices 0x22793ac9 GSEventRunModal + 160 13 UIKit 0x25877189 UIApplicationMain + 144 14 Our App 0x7187e5 main (main.m:20) 15 libdispatch.dylib 0x20e4b873 (Missing)来显示某些网页。并使用WKWebView作为桥接来在H5和Native之间进行一些调用。

那么，如何调试这种崩溃？

我尝试阅读Webkit的源代码，但它没用。我只知道WebKit网络进程即将在发生崩溃时退出。

Answer 1

当WKKit进程崩溃时，我们尝试重新加载webview，崩溃就消失了。

- (void)webViewWebContentProcessDidTerminate:(WKWebView *)webView {
    [_webView reload];
}

如何在iOS中调试webkit崩溃日志

1 个答案: