Re: IPv6 Compatibility

On 27.03.2014 14:55, Fawkes wrote:
> Hi there,
>
> Since I have a svn machine which is running IPv6 only, I tried to checkout a
> repository running on it with tortoise today, which didn't work with 1.8.5
> (stable) (see [1]). It also didn't work with a nightly build (I discovered, that
> Stefan Küng mentioned 3 years ago that IPv6 is only available within
> nightlies, see [2]). The error doesn't differ from the one I got with
> the nighly.
>
> I would really love to see IPv6 working in 2014.
>
> Fawkes
>
>
> [1] Error Message (GUI):
> Checkout from http://some.ipv6.httpd.de/repos/anyrepos, revision HEAD, Fully recursive, Externals included
> Unable to connect to a repository at URL
> 'http://some.ipv6.httpd.de/repos/anyrepos'
> Der angeforderte Name ist gültig, es wurden jedoch keine Daten des
> angeforderten Typs gefunden.

That's error 11004 (WSANO_DATA). The docs mention this about that error:

The requested name is valid, but no data of the requested type was
found. This error is also returned if the name parameter contains a
string representation of an IPv6 address or an illegal IPv4 address.

This error should not be interpreted to mean that the name parameter
contains a name string that has been validated for a particular protocol
(an IP hostname, for example). Since Winsock supports multiple name
service providers, a name may potentially be valid for one provider and
not accepted by another provider.

http://msdn.microsoft.com/en-us/library/windows/desktop/ms738524%28v=vs.85%29.aspx

When IPV6 is enabled in the svn build, it first tries to connect to an
ipv6 address. If that fails, it falls back to ipv4.
The error is shown since connection with ipv4 failed too.
That means: the ipv6 address (if your DNS even returned one) couldn't
connect to, and then it tried an ipv4 address but the DNS did not return
one.

Stefan

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