Host is unresolved in LAN

问题

Im getting a IOExeption 'Host is unresolved' on HttpPost. The Endpoint in this case a a computer on my LAN with a webservice. (http://pc259:8080/test/service.asmx). Im using WIFI to my LAN. Does Android know to to resolved computernames?

StringEntity se = new StringEntity(xmlDataToSend);
se.setContentType("text/xml");
HttpPost httppost = new HttpPost(endPoint);     
httppost.setHeader("Content-Type","application/soap+xml");
httppost.setEntity(se);         
HttpClient httpclient = new DefaultHttpClient();
Log.i(TAG, " - Before execute");
httpResponse = (BasicHttpResponse) httpclient.execute(httppost);

回答1:

You can get Java to resolve NetBIOS names by using the JCIFS library. You can get it from http://jcifs.samba.org/. Add that to your project and then use code like this to convert a host name to an IP address.

import jcifs.netbios.NbtAddress;
...
NbtAddress nbtAddress = NbtAddress.getByName(hostname);
InetAddress address = nbtAddress.getInetAddress();
String ipAddress = address.getHostAddress();

回答2:

Most likely pc259 is not defined in you DNS server, but is a NetBios hostname (see http://en.wikipedia.org/wiki/NetBIOS#NetBIOS_name_vs_host_name).
I don't think Android can resolve these kind of hostnames - you'll need to add this computer to the DNS repository.

来源：https://stackoverflow.com/questions/3184463/host-is-unresolved-in-lan