贴一下错误和解决方法: 1 java.net.UnknownHostException: master 2 at java.net.Inet6AddressImpl.lookupAllHostAddr
在Mac运行web项目的时候,出现主机IP找不到的问题。主要是因为在Mac中主机名和window有所区别,解决办法有如下两种: 一、输入命令 cat /pri...
1.问题描述 最近迁移环境,在Linux系统下部署Java产品的应用,后台报出如下异常,系统报找不到名为“izbp1hyvanq220li35avr8z”的主机: java.net.UnknownHostException
说他们公司用的单点登录,接口URL在公司的公网域名下,如(https://www.csdn.net/xxx/login),他打包好的Web项目在自己机子上跑没问题,一部署到服务器就报 java.net.UnknownHostException
CDH 的 hadoop 是 HA,连接过程中报错如下: Exception in thread "main" java.lang.IllegalArgumentException: java.net.UnknownHostException
在Java的网络编程中,java.net.UnknownHostException是一个常见的异常,它通常表明在尝试解析主机名时出现了问题。...本文将探讨UnknownHostException的背景、可能的原因、错误代码示例、正确的解决方案以及编写网络代码时需要注意的事项。...如果主机名无法解析,就会抛出UnknownHostException。 二、可能出错的原因 主机名不存在:尝试解析的主机名在DNS系统中不存在。...三、错误代码示例 以下是一个可能导致UnknownHostException的代码示例: import java.net.InetAddress; import java.net.UnknownHostException...四、正确代码示例 为了处理UnknownHostException,我们可以添加一些逻辑来检查主机名是否存在,或者提供一个默认的主机名作为备选。
前言 Idea中使用Tomcat作为应用服务器启动时经常 报 java.net.MalformedURLException: Local host name unknown: java.net.UnknownHostException
关于 unknownhostexception,有几个地方需要排查一下的。
流量走向 错误日志 Client 报错 应用的报错日志为:java.net.UnknownHostException: 代理服务报错 查看 Nginx 的 access 、 error 日志 tail
假设这里是服务器A 192.168.1.180 服务器B 192.168.1.181 好了,开始下蛋了,服务器A下单成功,继续下单,轮询到B的时候事故出现了: java.net.UnknownHostException
/O error on GET request for "http://client-one/seeParam": client-one; nested exception is java.net.UnknownHostException
当搭建好分布式集群后,准备使用命令格式化时 hdfs namenode format 在日志的最后一行出现 java.net.unknownhostexception的异常,通常是你的主机名没有配置好,
18 ... 71 common frames omitted 2017/11/24 下午9:49:18Caused by: java.lang.RuntimeException: java.net.UnknownHostException.../:2.2.2] 2017/11/24 下午9:49:18 ... 133 common frames omitted 2017/11/24 下午9:49:18Caused by: java.net.UnknownHostException
java.net.DatagramSocket; import java.net.InetAddress; import java.net.SocketException; import java.net.UnknownHostException...new Scanner(System.in); mScanner.useDelimiter("\n");//指定控制面板的输入以换行来结束 } catch (UnknownHostException...java.net.DatagramSocket; import java.net.InetAddress; import java.net.SocketException; import java.net.UnknownHostException...> android="http://schemas.android.com/apk/res/android" xmlns:tools="http://...schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent
] imps.CuratorFrameworkImpl:546 : Background exception was not retry-able or retry gave up java.net.UnknownHostException...] imps.CuratorFrameworkImpl:546 : Background exception was not retry-able or retry gave up java.net.UnknownHostException...28 23:49:34,458 ERROR [Thread-6] curator.CuratorZookeeperClient:206 : java.io.IOException: java.net.UnknownHostException...(ZookeeperDistributedLock.java:62) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.UnknownHostException
2.activity_main.xml如下所示: android="http://schemas.android.com/apk/res/android"...xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height...import android.os.Handler; import android.os.Message; import android.app.Activity; import android.view.View...java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.net.Socket; import java.net.UnknownHostException...socket = new Socket(ip, 8080); //访问指定的ip地址:8080 } catch (UnknownHostException
简单写个例子: //导入库 implementation 'com.qiniu:happy-dns:0.2.13' implementation 'com.qiniu.pili:pili-android-qos...{ if (hostname == null) { throw new UnknownHostException("hostname == null");...unknownHostException = new UnknownHostException("Broken system behaviour for...dns lookup of " + hostname); unknownHostException.initCause(var4); throw...unknownHostException; } } } } //替换okhttp的dns解析 OkHttpClient okHttpClient =
Android手机客户端:android2.3设备。 ...import java.io.InputStreamReader; import java.io.PrintWriter; import java.net.Socket; import java.net.UnknownHostException...; import android.app.Activity; import android.os.Bundle; import android.os.Handler; import android.util.Log...; import android.view.Menu; import android.view.View; import android.view.View.OnClickListener; import...socket=new Socket("tobacco5648.xicp.net",5648); //连接到tobacco5648.xicp.net的5648端口 } catch (UnknownHostException
api.weixin.qq.com 就能ping 通了 或者修改/etc/hosts 文件 加入 123.151.71.149 api.mch.weixin.qq.com 报错信息: java.net.UnknownHostException
使用onError处理异常 现在的Android开发中,网络框架是Retrofit的天下。...封装一个BaseMaybeObserver import android.accounts.NetworkErrorException import android.content.Context import...is SocketTimeoutException -> message = mAppContext.getString(R.string.timeout_error) is UnknownHostException...import java.net.ConnectException import java.net.SocketTimeoutException import java.net.UnknownHostException...is SocketTimeoutException -> message = mAppContext.getString(R.string.timeout_error) is UnknownHostException