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"proxy: DNS lookup failure" が表示される

Solution Verified - Updated -

Issue

  • プロキシーされたリクエストは、以下のエラーを表示して失敗することがあります。
[error] [client 127.0.0.1] proxy: DNS lookup failure for: myhostname returned by /myapp

また、以下のようなエラーも表示されます。

[error] [client 10.16.144.4] proxy: DNS lookup failure for: myhostname:1337images returned by /images/product_title.png, referer: http://example.com/

Environment

  • JBoss Enterprise Application Platform (EAP)
  • JBoss Enterprise Web Server (EWS)
  • Apache httpd
  • mod_proxy
  • mod_cluster

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