Re: dns/ip resolve error in PASE

[Calvin Buckley <calvin@xxxxxxxxxx>]

Go's stdlib tends to reinvent the world instead of using system
facilities. It might be looking for a config in /etc/resolv.conf and
trying a local resolver if that fails.

On Mon, 2021-08-02 at 15:27 -0400, Jay Vaughn wrote:
> We are running a process in PASE (written in goLang) that will
> establish
> itself as an IBM i endpoint for a remote Linux server to use.
> Someone else wrote the goLang script... I know nothing about it. 
> They
> claimed they had no issues when they ran it with resolving dns/ip...
> But... when I run the script in PASE, we have an issue where the
> process is
> failing to resolve an dns/IP lookup.
>
> the actual error in PASE is...
>
> 2021-08-02T14:02:18.154Z        ERROR   SARAMA: Failed to connect to
> broker
> abc.xyz.com:9092: dial tcp: lookup abc.xyz.com on [::1]:53: read udp
> [::1]:56603->[::1]:53: i/o timeout
>
> We have ensured our tcp/ip host table entries are good and relevant
> to this
> process
> And for what it was worth we tried creating an /etc/hosts file in the
> same
> directory of the goLang program with the correct dns/ip definitions.
>
> Still we get the same error.
> You can probably tell how I've phrased some of this stuff that I'm a
> bit
> out of my element... but hopefully you will understand the
> fundamental
> problem and possibly be able to recommend a potential solution?
>
> Our linux guy is suggesting to "provide a service on port 53"... but
> not
> quite sure what he is referring to.  ADDSRVTBLE??  It's a matter of
> time
> before I talk to him more about this but just trying to stay
> proactive and
> learn what I can in the meanwhile...
>
> I guess it comes down to: has anyone else used goLang in PASE to
> connect to
> an external server?
> Any ideas?
>
> tia
>
> Jay