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Date: Mon, 5 Sep 2011 22:11:50 +0300
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 <CADHw7EraXHwHCXhUAVCVLkhg2nWEOS2af3VXtnBgyUxOe0y7gg@mail.gmail.com>
Subject: Re: [jira] [Commented] (HTTPCLIENT-1123) Implement a way to override
 or resolve DNS entries defined in the OS
From: Vasile Alin <alinachegalati@gmail.com>
To: HttpComponents Project <dev@hc.apache.org>
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This is a good idea in this way we favour exceptions instead of custom
returns such as null.

On 5 September 2011 22:02, Oleg Kalnichevski (JIRA) <jira@apache.org> wrote=
:
>
> =A0 =A0[ https://issues.apache.org/jira/browse/HTTPCLIENT-1123?page=3Dcom=
.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommen=
tId=3D13097254#comment-13097254 ]
>
> Oleg Kalnichevski commented on HTTPCLIENT-1123:
> -----------------------------------------------
>
> Almost there. I think it would be better if the DnsResolver was always to=
 resolve hostname to an address or throw an UnknownHostException if the add=
ress could not be resolved instead of returning null. Individual implementa=
tions may choose to fall back onto InetAddress#getAllByName when appropriat=
e or signal failure to resolve the hostname by throwing UnknownHostExceptio=
n.
> ---
> public interface DnsResolver {
>
> =A0 =A0InetAddress[] resolve(String host) throws UnknownHostException;
>
> }
> ---
> What do you think?
>
> Oleg
>
>> Implement a way to override or resolve DNS entries defined in the OS
>> --------------------------------------------------------------------
>>
>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 Key: HTTPCLIENT-1123
>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 URL: https://issues.apache.org/jira/brow=
se/HTTPCLIENT-1123
>> =A0 =A0 =A0 =A0 =A0 =A0 Project: HttpComponents HttpClient
>> =A0 =A0 =A0 =A0 =A0Issue Type: New Feature
>> =A0 =A0 =A0 =A0 =A0Components: HttpClient
>> =A0 =A0 =A0 =A0 =A0 =A0Reporter: Alin Vasile
>> =A0 =A0 =A0 =A0 =A0 =A0Priority: Minor
>> =A0 =A0 =A0 =A0 Attachments: dns_overrider_poc.patch, dns_overrider_poc.=
patch, dns_resolver.patch, dns_resolver.patch
>>
>>
>> When working with HttpClient in restrictive environments, where the user=
 doesn't have the permissisions to edit the local /etc/hosts file or the DN=
S configuration, can be eased with an DNS Overrider capability.
>> This can be useful with JMeter which can follow redirects automatically =
and resolve some of the redirected hosts against its configuration. Another=
 example is a custom forward proxy, written in Java and based on httpclient=
, which can be deployed is such a restricted environment that would ease th=
e development of various web solutions for some developers.
>
> --
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>
>
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