在使用Smack构建java web项目时遇到异常

我正在使用smack API和openfire server构建java IM软件。当我构建java代码时，控制台会出现以下结果：

Exception in thread "main" java.lang.ExceptionInInitializerError
    at org.jivesoftware.smack.SmackConfiguration.getVersion(SmackConfiguration.java:96)
    at org.jivesoftware.smack.ConnectionConfiguration.<clinit>(ConnectionConfiguration.java:38)
    at test.main(test.java:12)
Caused by: java.lang.IllegalStateException: org.xmlpull.v1.XmlPullParserException: could not load any factory class (even small or full default implementation); nested exception is: 
    org.kxml2.io.XmlReader
    at org.jivesoftware.smack.SmackInitialization.<clinit>(SmackInitialization.java:119)
    ... 3 more
Caused by: org.xmlpull.v1.XmlPullParserException: could not load any factory class (even small or full default implementation); nested exception is: 
    org.kxml2.io.XmlReader
    at org.xmlpull.v1.XmlPullParserFactory.newInstance(XmlPullParserFactory.java:225)
    at org.xmlpull.v1.XmlPullParserFactory.newInstance(XmlPullParserFactory.java:76)
    at org.jivesoftware.smack.SmackInitialization.processConfigFile(SmackInitialization.java:153)
    at org.jivesoftware.smack.SmackInitialization.processConfigFile(SmackInitialization.java:148)
    at org.jivesoftware.smack.SmackInitialization.<clinit>(SmackInitialization.java:116)
    ... 3 more

---

我已经导入了xmlpull_1_0_5.jar，我该如何解决这个问题？

给我用：xmlpull-xpp3-3.0.0.20130526.jar试试看给我用：xmlpull-xpp3-3.0.0.20130526.jar试试看

import java.io.IOException;

import org.jivesoftware.smack.AbstractXMPPConnection;
import org.jivesoftware.smack.SmackException;
import org.jivesoftware.smack.XMPPException;
import org.jivesoftware.smack.tcp.XMPPTCPConnection;
import org.jivesoftware.smack.tcp.XMPPTCPConnectionConfiguration;

public class test {
    public static void main(String args[])
    {
    XMPPTCPConnectionConfiguration.Builder configBuilder = XMPPTCPConnectionConfiguration.builder();
    configBuilder.setUsernameAndPassword("username", "password");
    configBuilder.setResource("SomeResource");
    configBuilder.setServiceName("172.29.41.168");
    AbstractXMPPConnection connection = new XMPPTCPConnection(configBuilder.build());
    // Connect to the server
    try {
        connection.connect();
        connection.login();
    } catch (SmackException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (XMPPException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }   
    }
}