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From "Oleg Kalnichevski (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HTTPCLIENT-1309) UnknownHostException if DefaultHttpClient asked to handle HttpRequest whose host name includes a port
Date Wed, 30 Jan 2013 12:05:13 GMT

    [ https://issues.apache.org/jira/browse/HTTPCLIENT-1309?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13566405#comment-13566405

Oleg Kalnichevski commented on HTTPCLIENT-1309:

I reviewed relevant bits of code in HttpClient and I am quite certain that SystemDefaultDnsResolver#resolve
method gets exactly the same value that was passed as the first parameter to HttpHost. I bet
there is some place in your code where HttpHost is created like that
HttpHost target = new HttpHost("");
or more likely like that
HttpHost target = new HttpHost("", 8080);

> UnknownHostException if DefaultHttpClient asked to handle HttpRequest whose host name
includes a port
> -----------------------------------------------------------------------------------------------------
>                 Key: HTTPCLIENT-1309
>                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1309
>             Project: HttpComponents HttpClient
>          Issue Type: Bug
>          Components: HttpConn
>    Affects Versions: 4.2.3
>         Environment: Mac OS X 10.6.8  HttpClient 4.2.1 - field above won't let me put
in 4.2.1
>            Reporter: Ian Blavins
>            Priority: Minor
> If a DefaultHttpClient is passed, in its .execute(target, request, context) method call,
an HttpRequest whose host name field contains a port suffix (eg then SystemDefaultDnsResolver
will try to resolve the host name plus port and gets an UnknownHostException: java.net.UnknownHostException:
> There appears to be a work around and that is to download the source of SystemDefaultDnsResolver,
make the obvious change to remove any port and then rebuild httpclient-4.2.1.jar. (There is
probably an easier way to present the revised SystemDefaultDnsResolver since its intended
to be replaced by the user developer but I haven't discovered it)

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