InCommon DNS Issues?

[Tony Skalski]

We've struggled at times with java's DNS caching in other (non-Shib)
environments. You might take a look at those settings.

On Fri, Apr 22, 2022 at 8:29 AM Ullfig, Roberto Alfredo via users <
users at shibboleth.net> wrote:

> Does not appear related to DNS at all at least at the OS level. I ran a
> query every minute on one of the servers for 20 hours and they were all
> good. The IDP must be logging an incorrect error message or it's not using
> the OS's DNS resolver.
>
> ---
> Roberto Ullfig - rullfig at uic.edu
> Systems Administrator
> Enterprise Applications & Services | Technology Solutions
> University of Illinois - Chicago
>
> ------------------------------
> *From:* Ian Young
> *Sent:* Thursday, April 21, 2022 11:51 AM
> *To:* Shib Users
> *Cc:* Ullfig, Roberto Alfredo
> *Subject:* Re: InCommon DNS Issues?
>
>
> On 2022-04-21, at 17:19, Ullfig, Roberto Alfredo via users <
> users at shibboleth.net> wrote:
>
> Is it possible that the IDP's error message is not correct and it's
> actually a download timeout, not a DNS error?
>
>
> Never say never, but I'd say it's very unlikely.
>
> "Error retrieving metadata" is obviously a message from the IdP, but the
> inner "cause" message is something thrown by Java.
>
> It's more likely to be some kind of DNS resolution error in your
> environment, although it's hard to speculate what might be the cause of
> that.
>
>     -- Ian
>
>
>
>
> --
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-- 
*Tony Skalski (he/him/his)*
System Administrator | IT
Office: 507-786-3227 <(507)786-3227>
1510 St. Olaf Avenue Northfield, MN 55057
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