上的HtmlUnit Web服务器：法<init>（）V没有找到

我已经成功地在这个问题上here中也没有问题的测试Java项目运行代码正常，但是当我下面完全相同的过程在导入我的HtmlUnit网络服务器，我不断收到org.apache.http.protocol.BasicHttpContext: method <init>()V not found错误。上的HtmlUnit Web服务器：法<init>（）V没有找到

代码我尝试运行：

package com.testing; 

import java.io.IOException; 
import java.net.MalformedURLException; 

import com.gargoylesoftware.htmlunit.FailingHttpStatusCodeException; 
import com.gargoylesoftware.htmlunit.WebClient; 

public class testingUnit { 

    public static void main(final String[] args) { 
     final WebClient webClient = new WebClient(); 
     webClient.setTimeout(1000); 
     try { 
      System.out.println("Querying"); 
      webClient.getPage("https://bulksms.vsms.net/register/"); 
      System.out.println("Success"); 
     } catch (final FailingHttpStatusCodeException e) { 
      System.out.println("One"); 
      e.printStackTrace(); 
     } catch (final MalformedURLException e) { 
      System.out.println("Two"); 
      e.printStackTrace(); 
     } catch (final IOException e) { 
      System.out.println("Three"); 
      e.printStackTrace(); 
     } catch (final Exception e) { 
      System.out.println("Four"); 
      e.printStackTrace(); 
     } 
     System.out.println("Finished"); 
    } 

}

控制台：

Querying 
Exception in thread "main" java.lang.NoSuchMethodError: org.apache.http.protocol.BasicHttpContext: method <init>()V not found 
    at org.apache.http.impl.client.AbstractHttpClient.createHttpContext(AbstractHttpClient.java:273) 
    at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:797) 
    at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:776) 
    at com.gargoylesoftware.htmlunit.HttpWebConnection.getResponse(HttpWebConnection.java:152) 
    at com.gargoylesoftware.htmlunit.WebClient.loadWebResponseFromWebConnection(WebClient.java:1439) 
    at com.gargoylesoftware.htmlunit.WebClient.loadWebResponse(WebClient.java:1358) 
    at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:307) 
    at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:373) 
    at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:358) 
    at com.testing.testingUnit.main(testingUnit.java:16)

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