title: JsonMappingException: Can not instantiate value of type no single-long-arg constructor/factory method
body: <p>hi am getting error trying to parse a json response into java on zk framework </p>
  
  <p>here is the jason reply</p>
  
  <pre><code>{"currentTime":1355390722038,"text":"OK","data":{"limitExceeded":false,"references":{"stops":[],"situations":[],"trips":[],"routes":[],"agencies":[{"id":"AG1","privateService":false,"phone":"","timezone":"Asia/Kuala_Lumpur","disclaimer":"","name":"Panorama","lang":"en","url":"http://www.allcompanyonline.com/company/33/8/26/62438/PM-Cultural--Tourism-Sdn-Bhd.html"}]},"list":[{"lonSpan":0.1766824722290039,"lon":102.2011971473685,"agencyId":"AG1","lat":2.2659808772471948,"latSpan":0.15555363245723042}]},"code":200,"version":2}
  </code></pre>
  
  <p>i keep getting this error</p>
  
  <pre><code>com.fasterxml.jackson.databind.JsonMappingException: Can not instantiate value of type [simple type, class com.panorama.tripplan.pojo.Agency_coverage] from Long integral number; no single-long-arg constructor/factory method
  </code></pre>
  
  <p>here is the pojo for the root variables </p>
  
  <pre><code>@JsonRootName(value = "currentTime")
  public class Agency_coverage{
  private Number code;
  private Number currentTime;
  private Data data;
  private String text;
  private Number version;
  
  public Agency_coverage(){}
  
  public Number getCode(){
      return this.code;
  }
  public void setCode(Number code){
      this.code = code;
  }
  public Number getCurrentTime(){
      return this.currentTime;
  }
  public void setCurrentTime(Number currentTime){
      this.currentTime = currentTime;
  }
  public Data getData(){
      return this.data;
  }
  public void setData(Data data){
      this.data = data;
  }
  public String getText(){
      return this.text;
  }
  public void setText(String text){
      this.text = text;
  }
  public Number getVersion(){
      return this.version;
  }
  public void setVersion(Number version){
      this.version = version;
  }
  </code></pre>
  
  <p>here is the code where i attempt to call the api and parse the response</p>
  
  <pre><code>java.net.URLConnection connection = new URL(url + "?" + query+ "&amp;" + queryLat+ "&amp;" + queryLon).openConnection();
         connection.setRequestProperty("Accept-Charset", charset);
         if ( connection instanceof HttpURLConnection)
         {
           //Jackson 2.X configuration settings
              mapper.configure(DeserializationFeature.UNWRAP_ROOT_VALUE, true);
  
              mapper.configure(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY, true);
              mapper.configure(DeserializationFeature.ACCEPT_EMPTY_STRING_AS_NULL_OBJECT, true);
              mapper.configure(DeserializationFeature.USE_JAVA_ARRAY_FOR_JSON_ARRAY, true);
              mapper.configure(DeserializationFeature.READ_ENUMS_USING_TO_STRING, true);
              mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
  
              //Tell Jackson to expect the JSON in PascalCase, instead of camelCase
              mapper.setPropertyNamingStrategy(new PropertyNamingStrategy.PascalCaseStrategy());
  
            HttpURLConnection httpConnection =(HttpURLConnection) connection;  
          //Make the HTTP request, and deserialize the JSON response into the object
  
            Agency_coverage agencyData= new Agency_coverage();
            agencyData = mapper.readValue(agenturl, Agency_coverage.class);
  
  
            //System.out.println(agencyData.getData().getList().get(0).);
            System.out.println(agencyData.getCurrentTime());
            System.out.println(httpConnection.getResponseCode());
  
         }
  </code></pre>
  
  <p>please help if you can understand this problem, i am a bit new to java development and am giving it my all</p>