My /etc/hosts _has_ the localhost entry. I read somewhere on the
Internet about a simular problem. It had to do with the way how IPV6
translates localhost. (wrongly).

So I believe it is a bug still. But _only_ if the the machine is IPV4 only.

best regards

Kees

On 9/11/17, Ivan J. <parazyd@???> wrote:
> On Mon, 11 Sep 2017, Kees Schoenmakers wrote:
>
>> Gents,
>>
>> I have switched off IPV6 on my workstation (and local network). I ran
>> into a problem with cups.
>> I could issue a test page with localhost:631. However I could _not_
>> print from localhost......
>> The error_log showed:
>>
>> Unable to bind socket for address [v1.::1]:631 - Cannot assign
>> requested address.
>>
>> To solve it I had to put 127.0.0.1:631 in cupsd.conf instead of
>> localhost:631.
>
> Check if there's a "127.0.0.1 localhost" entry in your /etc/hosts. If
> not, you should probably put it there to avoid this kind of things.
>
> --
> ~ parazyd
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>