Re: [go-nuts] Centos - golang 1.6/1.7 - dial tcp i/o timeout
On Mon, Oct 17, 2016 at 8:26 AM, wrote:
> Is there a way in Golang to cache the response from the DNS server? Java
> apps by default cache the DNS info until the app gets restarted.
You can do DNS lookups yourself using `net.LookupHost` and friends.
Ian
> On Sunday, October 16, 2016 at 5:01:44 PM UTC-5, Ian Lance Taylor wrote:
>>
>> On Sun, Oct 16, 2016 at 9:10 AM, wrote:
>> >
>> > Getting dail tcp error while calling httpClient.Get or httpClient.Post
>> >
>> >
>> > http client settings:
>> > httpClient = &http.Client{
>> > Timeout: 30 * time.Second,
>> > }
>> >
>> > Error:
>> >
>> > dial tcp: lookup on xx.xx.xx.xxx:53: dial udp xx.xx.xx.xxx:53: i/o
>> > timeout
>> >
>> >
>> > CentOS version: CentOS Linux release 7.2.1511 (Core)
>> >
>> >
>> > can you provide the resolution for this?
>>
>> Looks like your DNS server is not responding to your Go program. Any
>> idea why? Firewall issue? Misunderstanding of DNS config files? You
>> could try setting `GODEBUG=netdns=cgo` in the environment; see
>> https://golang.org/pkg/net.
>>
>> Ian
>
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Re: [go-nuts] Centos - golang 1.6/1.7 - dial tcp i/o timeout
Is there a way in Golang to cache the response from the DNS server? Java
apps by default cache the DNS info until the app gets restarted.
On Sunday, October 16, 2016 at 5:01:44 PM UTC-5, Ian Lance Taylor wrote:
>
> On Sun, Oct 16, 2016 at 9:10 AM, >
> wrote:
> >
> > Getting dail tcp error while calling httpClient.Get or httpClient.Post
> >
> >
> > http client settings:
> > httpClient = &http.Client{
> > Timeout: 30 * time.Second,
> > }
> >
> > Error:
> >
> > dial tcp: lookup on xx.xx.xx.xxx:53: dial udp xx.xx.xx.xxx:53: i/o
> timeout
> >
> >
> > CentOS version: CentOS Linux release 7.2.1511 (Core)
> >
> >
> > can you provide the resolution for this?
>
> Looks like your DNS server is not responding to your Go program. Any
> idea why? Firewall issue? Misunderstanding of DNS config files? You
> could try setting `GODEBUG=netdns=cgo` in the environment; see
> https://golang.org/pkg/net.
>
> Ian
>
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Re: [go-nuts] Centos - golang 1.6/1.7 - dial tcp i/o timeout
On Sun, Oct 16, 2016 at 9:10 AM, wrote:
>
> Getting dail tcp error while calling httpClient.Get or httpClient.Post
>
>
> http client settings:
> httpClient = &http.Client{
> Timeout: 30 * time.Second,
> }
>
> Error:
>
> dial tcp: lookup on xx.xx.xx.xxx:53: dial udp xx.xx.xx.xxx:53: i/o timeout
>
>
> CentOS version: CentOS Linux release 7.2.1511 (Core)
>
>
> can you provide the resolution for this?
Looks like your DNS server is not responding to your Go program. Any
idea why? Firewall issue? Misunderstanding of DNS config files? You
could try setting `GODEBUG=netdns=cgo` in the environment; see
https://golang.org/pkg/net.
Ian
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