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https://issues.apache.org/jira/browse/HTTPCLIENT-1309?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13565920#comment-13565920
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Ian Blavins commented on HTTPCLIENT-1309:
-----------------------------------------
G'day
Interesting. This fix fixed it for me:
package org.apache.http.impl.conn;
import java.net.InetAddress;
import java.net.UnknownHostException;
import org.apache.http.conn.DnsResolver;
public class SystemDefaultDnsResolver
implements DnsResolver {
@Override
public InetAddress[] resolve(String host) throws UnknownHostException {
System.out.println("Running CLT version of SystemDefaultDnsResolver");
int colonIndex = host.indexOf(":");
// ----- Start of fix
if (colonIndex >= 0) {
host = host.substring(0, colonIndex);
}
// ------- End of fix
return InetAddress.getAllByName(host);
}
}
so there isn't any doubt about the issue in my environment. Did you note that
the actual version affected is 4.2.1 - I had to put that in comments as JIRA
wouldn't let me put 4.2.1 in the version field.
> 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
> 192.168.0.102:8080) then SystemDefaultDnsResolver will try to resolve the
> host name plus port and gets an UnknownHostException:
> java.net.UnknownHostException: 192.168.0.102:8080.
> 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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