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railsでFailed to open TCP connection to oauth2.googleapis.com:443 (getaddrinfo: Name or service not known) というエラーがでた。

Posted at

Failed to open TCP connection to oauth2.googleapis.com:443 (getaddrinfo: Name or service not known)というエラーがでた。

環境 VirtualBox vagrant (CentOS)

RailsでOminiauth使って、Googleログイン機能作って、Googleログインしようとした。すると

Failed to open TCP connection to oauth2.googleapis.com:443 (getaddrinfo: Name or service not known)

というエラーが。

解決策

vagrant reloadをすることで治った。
どうやら、途中で、PCをスリープにすると、CentOSのネットワークに障害が起きてしまうようだった。
その場合はvagrant reloadしなくてはならない。

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