[GitHub] [dubbo] hai-go opened a new issue, #10889: dubbo 选中随机端口时 ServerSocket ignored = new ServerSocket(i) 无法关闭

[GitBox]

hai-go opened a new issue, #10889:
URL: https://github.com/apache/dubbo/issues/10889

   ### 问题
   无论我怎么重启服务，甚至重启电脑也无法解决。dubbo 提示：Address already in use 问题。
   最后debug 一层一层网上找。最后经过测试发现 ServerSocket ignored = new ServerSocket(i); 
会存在ignored.close(); 关闭失败问题。
   ### 现象
   当我运行至portToBind = NetUtils.getAvailablePort(defaultPort); 时 sudo lsof -i 
tcp:20882 显示没有监听此端口。
   当执行至ServerSocket ignored = new ServerSocket(i);   执行sudo lsof -i tcp:20882 
显示端口已被监听，当执行ignored.close(); 成功执行未报错。  再次查看端口时，还是显示被监听。最后就提示端口已经被使用。
   貌似 20880和20881 一般会启动成功。
   ### 截图
   <img width="741" alt="image" 
src="https://user-images.githubusercontent.com/42711480/200301868-90b6bf79-704e-4ebb-a496-0be210b7f85d.png";>
   <img width="1022" alt="image" 
src="https://user-images.githubusercontent.com/42711480/200301980-f5b8d2e3-d42d-46e3-8f44-7bd6d5589a92.png";>
   <img width="992" alt="image" 
src="https://user-images.githubusercontent.com/42711480/200302201-a3af410c-8488-4e79-a9d4-fb0ceb87bb69.png";>
   
   


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