Re: How to get more information about error code 7

Hello Jason,

Thanks for the reply. This Curl error 7 is happening intermittently, so yes
I am able to connect to the server using the command line tool.
Therefore, in case if this happens again in future, I want my application
to display more error messages than just Curl error 7, which is why I am
wondering if there is a way to add debugging log from openssl in libcurl.

Best,

On Thu, Mar 19, 2020 at 10:24 AM Jason Proctor <jason_at_spatiallabs.com>
wrote:

> On Wed, Mar 18, 2020 at 11:29 PM Leo Song via curl-library
> <curl-library_at_cool.haxx.se> wrote:
> >
> > Hello,
> >
> > My application is trying to access to a host, and getting Curl error
> code 7.
> > Curl returned error code 7 - Couldn't connect to server
> >
> > I need to diagnose this a bit deeper and see what is happening. I've
> already implemented a callback function with CURLOPT_DEBUGFUNCTION, and the
> function displays messages related to "CURLINFO_TEXT", "CURLINFO_HEADER_IN"
> or "CURLINFO_HEADER_OUT".
> >
> > However, all I see in our log file is the above message with error code
> 7. It seems like I am not getting (and Curl is not logging) the error
> message or code from openssl or socket calls (if ever exist).
> >
> > Is there a way to retrieve that? I would appreciate if someone can
> pinpoint the code that does that.
> >
> > The version of libcurl is 7_66_0
>
> Can you connect to your server using the Curl command line tool? That
> would be a simple way of determining whether the client is doing
> something wrong or the host is unavailable for some other reason.
>
> hth
> J
>

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Received on 2020-03-19