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ios 混合开发应用白屏问题

一、问题场景

项目业务中某个前端页面中使用了多个echart 组件来显示历史数据, 在反复切换到这个页面后,会出现白屏问题。

二、问题分析

0x116000ab0 - GPUProcessProxy::didClose:

0x116000ab0 - GPUProcessProxy::gpuProcessExited: reason=Crash

0x1150180c0 - [PID=3342] WebProcessProxy::gpuProcessExited: reason=Crash

Error acquiring assertion: <Error Domain=RBSServiceErrorDomain Code=1 "((target is not running or doesn't have entitlement com.apple.developer.web-browser-engine.rendering AND target is not running or doesn't have entitlement com.apple.developer.web-browser-engine.networking AND target is not running or doesn't have entitlement com.apple.developer.web-browser-engine.webcontent))" UserInfo={NSLocalizedFailureReason=((target is not running or doesn't have entitlement com.apple.developer.web-browser-engine.rendering AND target is not running or doesn't have entitlement com.apple.developer.web-browser-engine.networking AND target is not running or doesn't have entitlement com.apple.developer.web-browser-engine.webcontent))}>

0x1150243c0 - ProcessAssertion::acquireSync Failed to acquire RBS assertion 'GPUProcess Background Assertion' for process with PID=3343, error: (null)

Failed to terminate process: Error Domain=com.apple.extensionKit.errorDomain Code=18 "(null)" UserInfo={NSUnderlyingError=0x30128cb40 {Error Domain=RBSRequestErrorDomain Code=3 "No such process found" UserInfo={NSLocalizedFailureReason=No such process found}}}

Failed to terminate process: Error Domain=com.apple.extensionKit.errorDomain Code=18 "(null)" UserInfo={NSUnderlyingError=0x30128ec40 {Error Domain=RBSRequestErrorDomain Code=3 "No such process found" UserInfo={NSLocalizedFailureReason=No such process found}}}

在切换页面的过程中看到如上日志,感觉是跟图形渲染相关的进程已经出问题了,

在出现白屏的时候,是如下日志:

0x116000ab0 - GPUProcessProxy::didClose:

0x116000ab0 - GPUProcessProxy::gpuProcessExited: reason=Crash

0x1150180c0 - [PID=3342] WebProcessProxy::gpuProcessExited: reason=Crash

0x104d70408 - WebProcessPool::gpuProcessDidExit: GPU Process has crashed more than 2 times in the last 30 seconds, terminating all WebProcesses

0x104d70408 - WebProcessPool::terminateAllWebContentProcesses

Error acquiring assertion: <Error Domain=RBSAssertionErrorDomain Code=2 "Specified target process does not exist" UserInfo={NSLocalizedFailureReason=Specified target process does not exist}>

0x1150180c0 - [PID=0] WebProcessProxy::didClose: (web process 0 crash)

0x1150180c0 - [PID=0] WebProcessProxy::processDidTerminateOrFailedToLaunch: reason=Crash

0x1150243c0 - ProcessAssertion::acquireSync Failed to acquire RBS assertion 'GPUProcess Background Assertion' for process with PID=3361, error: (null)

Error acquiring assertion: <Error Domain=RBSAssertionErrorDomain Code=2 "Specified target process does not exist" UserInfo={NSLocalizedFailureReason=Specified target process does not exist}>

0x115024600 - ProcessAssertion::acquireSync Failed to acquire RBS assertion 'XPCConnectionTerminationWatchdog' for process with PID=0, error: (null)

0x104d6c018 - [pageProxyID=10, webPageID=11, PID=0] WebPageProxy::processDidTerminate: (pid 0), reason=Crash

0x104d6c018 - [pageProxyID=10, webPageID=11, PID=0] WebPageProxy::dispatchProcessDidTerminate: reason=Crash

webViewWebContentProcessDidTerminate

从日志中可以看出webview 已经调用 webViewWebContentProcessDidTerminate 这个方法,进程都终止了。

在网上搜索了各种白屏问题,例如:

深入理解WKWebView白屏_webviewwebcontentprocessdidterminate-CSDN博客

App WebView白屏检测及解决总结,包括Android 和 iOS_ios webview加载白屏-CSDN博客

感觉最终的处理方式也只有reload 了

//进程被终止时调用

- (void)webViewWebContentProcessDidTerminate:(WKWebView *)webView{

    [webView reload];

    NSLog(@"webViewWebContentProcessDidTerminate");

}

不知道是不是苹果Safari 和 Chrome 里面的机制有差别,在电脑上运行同样的H5页面切换,明显感觉到Safari 要慢一下,感觉卡一些。


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