Amazon Anmeldeinformationen Methode nicht gefunden

So mein Nächstes problem mit diesem code. Es seemse nicht finden, eine Methode, und meine Augen sind ungeübt ist. Jede Hilfe, die zur Verfügung auf dieser?

package packeging;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Calendar;
import java.util.Date;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.amazonaws.HttpMethod;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3Client;
import com.amazonaws.auth.BasicAWSCredentials;
import org.apache.http.*;
/**
 * Servlet implementation class Hashtastic
 */
@WebServlet("/Hashtastic")
public class Hashtastic extends HttpServlet {
    private static final long serialVersionUID = 1L;
    private final static String BUCKET_NAME = "idlatestingbucket";//http://s3.amazonaws.com/THESISDB/techy.jpg
    private final static String FILE_NAME = "TestPicture/wallpaper-264411.png";
    private final static String ACCESS_KEY = "Fakepass";
    private final static String SECRET_KEY = "Fakekey";
    /**
     * Default constructor. 
     */
    public Hashtastic() {
        //TODO Auto-generated constructor stub
    }

    /**
     * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        //TODO Auto-generated method stub
         PrintWriter out = response.getWriter();
          Calendar cal = Calendar.getInstance();
         cal.add(Calendar.SECOND, 1000);
         Date expDate = cal.getTime();
         out.println(expDate+"\n");

         BasicAWSCredentials cre = new BasicAWSCredentials(ACCESS_KEY, SECRET_KEY);
        AmazonS3 s3 = new AmazonS3Client(cre);
        String url = s3.generatePresignedUrl(BUCKET_NAME, FILE_NAME, expDate, HttpMethod.GET).toString();
        out.println(url);
         out.close();
    }

    /**
     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        //TODO Auto-generated method stub
    }

}

Bin ich immer der 500 error. Es sagt, dass es fehlt, ist eine Methode. Ich habe das Glas in meiner lib und plugins für eclipse.

description The server encountered an internal error () that prevented it from fulfilling this request.

exception 

javax.servlet.ServletException: Servlet execution threw an exception


root cause 

java.lang.NoSuchMethodError: org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager: method <init>()V not found
    com.amazonaws.http.ConnectionManagerFactory.createThreadSafeClientConnManager(ConnectionManagerFactory.java:26)
    com.amazonaws.http.HttpClientFactory.createHttpClient(HttpClientFactory.java:83)
    com.amazonaws.http.AmazonHttpClient.<init>(AmazonHttpClient.java:116)
    com.amazonaws.AmazonWebServiceClient.<init>(AmazonWebServiceClient.java:60)
    com.amazonaws.services.s3.AmazonS3Client.<init>(AmazonS3Client.java:291)
    com.amazonaws.services.s3.AmazonS3Client.<init>(AmazonS3Client.java:273)
    packeging.Hashtastic.doGet(Hashtastic.java:48)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:722)


note The full stack trace of the root cause is available in the Apache Tomcat/7.0.27 logs.

Hilfe?