PAC支持禁用,因为没有系统的实现 [英] PAC support disabled because there is no system implementation

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问题描述

我我的Nexus 4日前升级到Android 4.4。虽然调试我的应用程序,我发现信息 W /铬(14962):警告:proxy_service.cc(888)PAC支持禁用,因为没有系统的实施

这是什么意思?


的logcat

  12-12 17:38:56.726:V / WebViewChromium(14962):铬绑定主活套活套{41f91588}
12-12 17:38:56.736:I /铬(14962):[INFO:library_loader_hooks.cc(112)]铬启用日志记录:级别= 0,默认的详细程度= 0
12-12 17:38:56.736:I / BrowserProcessMain(14962):初始化铬工艺,提炼= 0
12-12 17:38:56.746:W /铬(14962):警告:proxy_service.cc(888)PAC支持禁用,因为没有系统的实现
 

解决方案

我想你可以放心地忽略这一点。这是有点硬codeD的Chromium浏览器引擎。

如果您检查铬源(<一href="https://chromium.googlesource.com/chromium/src.git/+/master/net/proxy/proxy_service.cc">https://chromium.googlesource.com/chromium/src.git/+/master/net/proxy/proxy_service.cc)看看 ProxyService :: CreateUsingSystemProxyResolver 你会发现

 如果(!ProxyResolverFactoryForSystem ::则isSupported()){
  LOG(警告)&LT;&LT; PAC支持禁用,因为没有
                系统实施;
  返回CreateWithoutProxyResolver(proxy_config_service,net_log);
}
 

其中, ProxyResolverFactoryForSystem ::则isSupported()刚刚返回,如果你不是在Windows或MacOS的

 类ProxyResolverFactoryForSystem:公共ProxyResolverFactory {
  // [...]
  静态布尔则isSupported(){
#如果定义(OS_WIN)||定义(OS_MACOSX)
    返回true;
#其他
    返回false;
#ENDIF
  }
};
 

I've recently upgraded my Nexus 4 to Android 4.4. Whilst debugging my app, I discovered message W/chromium(14962): [WARNING:proxy_service.cc(888)] PAC support disabled because there is no system implementation

What does it mean ?


Logcat

12-12 17:38:56.726: V/WebViewChromium(14962): Binding Chromium to the main looper Looper{41f91588}
12-12 17:38:56.736: I/chromium(14962): [INFO:library_loader_hooks.cc(112)] Chromium logging enabled: level = 0, default verbosity = 0
12-12 17:38:56.736: I/BrowserProcessMain(14962): Initializing chromium process, renderers=0
12-12 17:38:56.746: W/chromium(14962): [WARNING:proxy_service.cc(888)] PAC support disabled because there is no system implementation

解决方案

I think you can safely ignore this one. It is kinda hard-coded in Chromium Browser Engine.

If you check Chromium sources (https://chromium.googlesource.com/chromium/src.git/+/master/net/proxy/proxy_service.cc) and see ProxyService::CreateUsingSystemProxyResolver you will find

if (!ProxyResolverFactoryForSystem::IsSupported()) {
  LOG(WARNING) << "PAC support disabled because there is no "
                "system implementation";
  return CreateWithoutProxyResolver(proxy_config_service, net_log);
}

where ProxyResolverFactoryForSystem::IsSupported() is just returning false if you're not on Windows or MacOS

class ProxyResolverFactoryForSystem : public ProxyResolverFactory {
  //[...]
  static bool IsSupported() {
#if defined(OS_WIN) || defined(OS_MACOSX)
    return true;
#else
    return false;
#endif
  }
};

这篇关于PAC支持禁用,因为没有系统的实现的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!

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