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nslookup 工作正常，但 ruby​​ http 调用抛出错误 - getaddrinfo：再试一次（SocketError）

tag-icon • tag-icon dns sockets tcp-ip
nslookup 工作正常，但 ruby​​ http 调用抛出错误 - getaddrinfo：再试一次（SocketError）

nslookup 和 dig 正在解析地址但 ruby​​ 程序抛出错误。

这是堆栈跟踪

10: from /usr/local/bundle/gems/rest-client-2.0.2/lib/restclient.rb:67:in `get'
 9: from /usr/local/bundle/gems/rest-client-2.0.2/lib/restclient/request.rb:52:in `execute'
 8: from /usr/local/bundle/gems/rest-client-2.0.2/lib/restclient/request.rb:145:in `execute'
 7: from /usr/local/bundle/gems/rest-client-2.0.2/lib/restclient/request.rb:715:in `transmit'
 6: from /usr/local/lib/ruby/2.5.0/net/http.rb:909:in `start'
 5: from /usr/local/lib/ruby/2.5.0/net/http.rb:920:in `do_start'
 4: from /usr/local/lib/ruby/2.5.0/net/http.rb:935:in `connect'
 3: from /usr/local/lib/ruby/2.5.0/timeout.rb:103:in `timeout'
 2: from /usr/local/lib/ruby/2.5.0/timeout.rb:93:in `block in timeout'
 1: from /usr/local/lib/ruby/2.5.0/net/http.rb:936:in `block in connect'
/usr/local/lib/ruby/2.5.0/net/http.rb:939:in `rescue in block in connect': Failed to open TCP connection to ******:80 (getaddrinfo: Try again) (SocketError)

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