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Re: Libcurl behavior if server host name resolution fails

From: Daniel Stenberg <>
Date: Fri, 10 Aug 2012 09:27:28 +0200 (CEST)

On Wed, 18 Jul 2012, ajil koshy wrote:

> Recently, I upgraded from libcurl's v7.23.1 to the latest version i.e.
> v7.26.0. I am seeing a difference in behaviour in both versions when libcurl
> encounters a server url host resolution error on windows. I am using the
> multi-interface.
> In the earlier version, when a host name resolution failure occurred, I
> could extract the error code 'CURLE_COULDNT_RESOLVE_HOST' by calling
> curl_multi_info_read. Libcurl also logged the following statement: 'Could
> not resolve host: (nil); Host not found'
> In the latest version, this is not seen. Can anyone tell me how we can find
> out if host name resolution failure has occurred in the latest libcurl
> version?

Can you please provide a recipe that repeats this problem?

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Received on 2012-08-10