Java APIs

Hello,

I wanna make a Login on a web page, but get this error code.

import java.io.IOException;

import org.apache.commons.httpclient.Header;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.cookie.CookiePolicy;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.methods.PostMethod;

public class Test{

	private static final String LOGIN_PAGE = "...";

	public static void main(String[] args) throws HttpException, IOException {

		HttpClient client = new HttpClient();
		GetMethod getMethod= new GetMethod(LOGIN_PAGE);

		vLoginPage.getParams().setCookiePolicy(
				CookiePolicy.BROWSER_COMPATIBILITY);
		client.executeMethod(getMethod);

		vLoginPage.setFollowRedirects(false);

		PostMethod postMethod1 = new PostMethod(
				"...");
		postMethod1.addParameter("username", "...");
		postMethod1.addParameter("passwd", "..");
		postMethod1.addParameter("target","..");

		client.executeMethod(postMethod1);

		System.out.println(postMethod1.getStatusCode());

		String redirectLocation = null;
		Header locationHeader = postMethod1.getResponseHeader("location");
		if (locationHeader != null) {
			redirectLocation = locationHeader.getValue();
			System.out.println(redirectLocation);
		} else {
			// The response is invalid and did not provide the new location for
			// the resource. Report an error or possibly handle the response
			// like a 404 Not Found error.
		}
		//

	}
}

Does anyone hava an idea how to solve this problem?