问题一: Caused by: java.net.UnknownHostException: XXXXXXXXXX: XXXXXXXXXX: Name or service not known vi /etc/hosts 127.0.0.1 iZuf68tztea6l5ccdz7wemZ XXXXXXXXXX自己的主机名…

Hbase master启动报错: java.lang.RuntimeException: Failed construction of Master: class org.apache.hadoop.hbase.master.HMaster at org.apache.hadoop.hbase.master.HMaster.constructMaster(HMaster.java:2893) at org.apache.hadoop.hbase.master.HMasterCommandLin…

项目中使用某一组件,启动失败Caused by: java.net.UnknownHostException: xxxCentOS6.3: xxxCentOS6.3 解析不到xxxCentOS6.3.解决办法为:在/etc/hosts文件中添加一行 127.0.0.1 xxxCentOS6.3…

Caused by: java.net.UnknownHostException: api.im.jpush.cn 服务器报这个:首先查看服务器是否能ping通,如果能ping通,则看下 vi /etc/resolv.conf 如果没有设置 nameserver 8.8.8.8 ,设置后重启网络 service network restart 然后再试就可以了…

windows下开发hadoop应用程序,hadoop部署在linux环境中, 在运行调试时可能会出现无法找到主机,类似异常信息如下: java.net.UnknownHostException: unknown host: master 解决办法如下: 在C:\WINDOWS\system32\drivers\etc\hosts文件中添加如下信息: 192.168.0.55 master 即把自己的虚拟机的ip地址和对应的虚拟机主机名添加一下,解决java.net.UnknownHostExc…

报错全文如下 feign.RetryableException: host10.local executing POST http://TIBMAS2-WEBAPI/tibmas2-webapi/api/v1.0/dept/listDeptUserByUserIds\r\n\tat feign.FeignException.errorExecuting(FeignException.java:67)\r\n\tat feign.SynchronousMethodHandler.executeAn…

在hosts文件增加如下配置即可,下面的方法适合上面提示的错误,无论是Tomcat问题还是MongoDB等等的问题都可以完美解决. vi /etc/hosts 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 127.0.0.1 localhost localhost.localdomain localhost6 localhost6.localdomain6 参考: http://angie…

测试方法: ping 127.0.0.1 ping localhost 解决方案: vi /etc/hosts 把127.0.0.1和wshCentOS绑定就好 按 i 进入修改模式,按 esc 退出修改模式: 输入   :wq    退出: 在用如下命令测试下:…

异常信息如下: INFO: Failed to get local InetAddress for VMID. This is unlikely to matter. At all. We'll add some extra randomness java.net.UnknownHostException: ran-oam: ran-oam: Name or service not known at java.net.InetAddress.getLocalHost(InetAddress.ja…

一.起因与原因分析过程 前端小伙伴儿告诉我,说服务器崩了. 请求数据接口,接口有响应,但报的json提示指向:数据库异常错误. 遂登陆云主机查看日志,核心记录显示如下: 2018-11-09 22:15:53.824 ERROR 26088 --- [ main] com.zaxxer.hikari.pool.HikariPool : HikariPool-1 - Exception during pool initialization. com.mysql.jdbc.exceptions.jd…