Insert Spinner Selected Value In Mysql Database Via Soap Webservices In Android

i have to develop the app is insert the database from spinner in mysql database via soap webserices in android application...

i have use below webservice code:

Code:
package com.xcart;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;

[Code]...

this is my android source code for spinner:

Code:

public class InsertionExample extends Activity{
private final String NAMESPACE = "[URL]...";
private final String URL =

[Code]....

my logcat window says following error:

Quote:

08-23 02:48:40.030: D/AndroidRuntime(4055): Shutting down VM
08-23 02:48:40.030: W/dalvikvm(4055): threadid=1: thread exiting with uncaught exception (group=0x4001d800)
08-23 02:48:40.060: E/AndroidRuntime(4055): FATAL EXCEPTION: main

[Code]...

what error is occurred here.give me solution...