以下是使用正确的主机名进行网络请求的示例代码: Stringhost="www.example.com";Stringurl="http://"+host;try{URLurlObj=newURL(url);HttpURLConnectionconn=(HttpURLConnection)urlObj.openConnection();// 继续处理网络请求...}catch(MalformedURLExceptione){e.printStackTrace();}catch(IOExceptione){e.print...
catch(UnknownHostExceptione){e.printStackTrace();// 输出错误信息System.err.println("Unable to resolve host: sports.wfust.edu.c");// 结束程序System.exit(1);} 1. 2. 3. 4. 5. 6. 7. 完整代码示例 下面是完整的代码示例,包括以上几个步骤的代码和注释: importjava.io.IOException;importjava.net...
sudo 出现unable to resolve host 解决方法Ubuntu环境, 假设这台机器名字叫abc(机器的hostname), 每次执行sudo 就出现这个警告讯息: sudo: unable to resolve host abc 虽然sudo 还是可以正常执行, 但是警告讯息每次都出来,而这只是机器在反解上的问题, 所以就直接从/etc/hosts 设定, 让abc(hostname) 可以解回1...
java.net.UnknownHostException: Unable to resolve host "www.omdapi.com": No address associated with hostname 06-22 17:43:14.087 9386-9435/com.example.android.filminformation W/System.err﹕ at java.net.InetAddress.lookupHostByName(InetAddress.java:457) ...
使用ImageLoader时,出现如下错误,始终加载图片错误,显示img_error的图片.UniversalAndroidImageLoader出现异常:ImageLoader: Unable to resolve host "https": No address associated with host E/ImageLoader: failed to connect to https/183.221.250.11 (port 443) after 5000ms: isConnected failed: ECONNREFUSED (...
fun provideGrpcChannel( host: String, port:Int) : ManagedChannel { return OkHttpChannelBuilder.forAddress( host, port) .usePlaintext() .build() } I'm gettingunable to resolve hostin android when I'm opening the app from the background in some time. My network connection is good also HT...
【pycharm】Unable to save settings: Failed to save settings. Please restart PyCharm解决 2019-12-15 21:43 −1.Unable to save settings: Failed to save settings. Please restart PyCharm解决 将工程的.idea目录删掉,重启pycharm即可。 2.error:please select a valid Python int... ...
会出现这个问题,是概率性出现,我断网重连后又会恢复,不断网的话恢复不了,有没有大佬遇到过这种情况 分享回复1 即刻吧 前田冲go 即刻什么时候能好 分享3349 pixel3吧 qqbnb889 求助新买的pixel 2 挂ss上不去网,显示Unable to resolve host“ss正常,在我别的手机上这个地址是可以用的,但是在p2上没法用,...
failed: Name or service not known. [2023-02-13 15:54:37.292] wget: unable to resolve host address ‘update.code.visualstudio.com’ [2023-02-13 15:54:37.292] ERROR: Failed to download https://update.code.visualstudio.com/commit:441438abd1ac652551dbe4d408dfcec8a499b8bf/server-linux-x...
Search the application log files for network connection errors: "404 (missing)" or "401 (unauthorized)": These errors or warnings are not related to this issue. "failure to resolve host": This could indicate a DNS problem (Restart your modem/router). "TLS": The...