Could not find trusted certificate

[Hongqing Lu]

I run an java application to validate address in www.desertsoft.com.
But it throws following exceptions:
javax.net.ssl.SSLHandshakeException: java.security.cert.CertificateException: Could not find trusted certificate
at com.sun.net.ssl.internal.ssl.BaseSSLSocketImpl.a(DashoA6275)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.a(DashoA6275)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.a(DashoA6275)
at com.sun.net.ssl.internal.ssl.SunJSSE_az.a(DashoA6275)
at com.sun.net.ssl.internal.ssl.SunJSSE_az.a(DashoA6275)
at com.sun.net.ssl.internal.ssl.SunJSSE_ax.a(DashoA6275)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.a(DashoA6275)IO Exception
Because www.desertsoft.com use SSL connection....
What can I do to solve the problem? Is there any stuff or example?
Next code is example code from www.desertsoft.com:
import java.net.*;
import java.io.*;
import java.security.Security;
import java.security.Provider;
import org.w3c.dom.*;
import javax.xml.parsers.*;
public class AddressValidator {
private static final String baseUrl =
"https://sws.desertsoft.com/AddVal/AddVal.asmx/AddVal?";
// values to validate
private static String addressLine = "1600 Pennsylvania Avenue";
private static String city = "Washington";
private static String state = "DC";
private static String zip = "20500";
private static String username = "desertsoft";
private static String password = "desertsoft";
private static String version = "1.1";
public static void main(String args[]) {
String requestUrl, nodeName, nodeValue; ;
try {
System.setProperty("java.protocol.handler.pkgs",
"com.sun.net.ssl.internal.www.protocol");
Class clsFactory = Class.forName(
"com.sun.net.ssl.internal.ssl.Provider");
if ( (null != clsFactory) &&
(null == Security.getProvider("SunJSSE"))) {
Security.addProvider( (Provider) clsFactory.newInstance());
}
// build request url
requestUrl = baseUrl + "strAdd1=" + URLEncoder.encode(addressLine);
requestUrl = requestUrl + "&strCity=" + URLEncoder.encode(city);
requestUrl = requestUrl + "&strState=" + URLEncoder.encode(state);
requestUrl = requestUrl + "&strZip=" + URLEncoder.encode(zip);
requestUrl = requestUrl + "&strUser=" + URLEncoder.encode(username);
requestUrl = requestUrl + "&strPass=" + URLEncoder.encode(password);
requestUrl = requestUrl + "&strVersion=" +
URLEncoder.encode(version);
System.out.println(requestUrl);
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
dbf.setNamespaceAware(true);
dbf.setIgnoringComments(true);
DocumentBuilder db = dbf.newDocumentBuilder();
Document doc = db.parse(requestUrl);
// parse returned XML
Node n;
Node addressNode = doc.getFirstChild();
NodeList nodes = addressNode.getChildNodes();
for (int i = 0; i < nodes.getLength(); i++) {
n = nodes.item(i);
if (n.getNodeType() == Node.ELEMENT_NODE) {
nodeName = n.getNodeName();
nodeValue = n.getFirstChild().getNodeValue();
System.out.println(nodeName + ": " + nodeValue);
}
}
}
catch (IOException ioe) {
System.out.println("IO Exception");
ioe.printStackTrace();
}
catch (ClassNotFoundException cfe) {
System.out.println("Unable to load the JSSE SSL stream handler.");
}
catch (InstantiationException ie) {
System.out.println("InstantiationException occured.");
}
catch (IllegalAccessException iae) {
System.out.println("IllegalAccessException occured.");
}
catch (org.xml.sax.SAXException saxe) {
System.out.println("org.xml.sax.SAXException occured.");
}
catch (ParserConfigurationException pce) {
System.out.println("ParserConfigurationException occured.");
}
}
}
Please help