rndc: 'reload' failed: unexpected error

[Greg Choules]

Hi Duan.
Firstly, please upgrade to the latest BIND as 9.11 is very old now and has many security flaws that will not be fixed because it is obsolete.

Secondly, after you have upgraded try it again and if the problem still exists, come back here.

Cheers, Greg

> On 13 Mar 2025, at 09:23, Duan Duan via bind-users <bind-users at lists.isc.org> wrote:
> 
> Hey Guys,
> 
> I am using bind version 9.11.0.
>  
> There are many views and zones running inside.
>  
> bind can run normally and resolve domain names normally.
>  
> But when I execute rndc reload, I I received an error message.
>  
> ./server.c:3799: unexpected error:
> unable to obtain neither an IPv4 nor an IPv6 dispatch
> reloading configuration failed: unexpected error
> 
> But when I execute named -n half core, there's no problem.
>  
> A lot of research, but I don't know why.
>  
> Thanks,
>  
> Kind regards
> Duan
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