Home Forums Installation DNS lookup failure for: ui

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  • #2576
    Ben Cold

    Hi, I have installed IAM on an Ubuntu 20 virtual machine following the following steps from the documentation https://docs.openiam.com/docs-
    but when accessing through the browser I get the following error:
    Proxy Failed

    The proxy server received an invalid response from an upstream server.
    The proxy server could not handle the request

    Reason: DNS lookup failure for: ui

    Do you know what could be due?

    Ben Cold

    {“log”:”[Thu Feb 24 11:57:45.743083 2022] [openiam:error] [pid 22:tid 140585907959552] The curl request returned code 7\n”,”stream”:”stderr”,”time”:”2022-02-24T11:57:45.743212065Z”}
    {“log”:”[Thu Feb 24 11:57:45.743117 2022] [openiam:error] [pid 22:tid 140585907959552] ESB federation curl error: response is empty\n”,”stream”:”stderr”,”time”:”2022-02-24T11:57:45.743251737Z”}
    {“log”:”[Thu Feb 24 11:57:45.743121 2022] [openiam:error] [pid 22:tid 140585907959552] openiam_read_federation: failed\n”,”stream”:”stderr”,”time”:”2022-02-24T11:57:45.743258251Z”}
    {“log”:”[Thu Feb 24 11:57:45.743124 2022] [openiam:error] [pid 22:tid 140585907959552] can’t get federation information for this url: /idp/login\n”,”stream”:”stderr”,”time”:”2022-02-24T11:57:45.74326234Z”}
    {“log”:”[Thu Feb 24 11:57:45.746074 2022] [proxy:error] [pid 22:tid 140585907959552] [client] AH00898: DNS lookup failure for: ui returned by /idp/login\n”,”stream”:”stderr”,”time”:”2022-02-24T11:57:45.746147307Z”}
    {“log”:” – – [24/Feb/2022:11:57:42 +0000] \”GET /idp/login?postbackUrl=%2Fwebconsole%2Fsetup%3FserverUrl%3Dhttp%253A%252F%252Fui%253A8080 HTTP/1.1\” 502 335 \”-\” \”Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:97.0) Gecko/20100101 Firefox/97.0\”\n”,”stream”:”stdout”,”time”:”2022-02-24T11:57:45.74647533Z”}

    Neil Herbert

    Hi Ben,

    The first thing that comes to mind, how long have you waited from starting OpenIAM to retry this? The UI is a big application and takes a while to start. I’ve seen it take anywhere between 15 to 20 minutes to start serving requests.


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