title: Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/codec/DecoderException
body: <p>I try Querying Solr via Solrj</p>
  
  <p>Here is my code </p>
  
  <pre><code>public class ReadFromSolr {
  
  public static void main(String[] args) throws MalformedURLException, SolrServerException 
  {
       String url = "http://localhost:8983/solr";
        try{
       SolrServer server = new CommonsHttpSolrServer(url);
       ModifiableSolrParams params = new ModifiableSolrParams();
         params.set("qt", "/select");
          params.set("q", "name");
  
              QueryResponse response = server.query(params);
  
              System.out.println("response = " + response);
  
        }
  
           catch (MalformedURLException ex) {
              ex.printStackTrace();
          } 
        catch (SolrServerException ex) {
              ex.printStackTrace();
          } 
  
  
  }
  </code></pre>
  
  <p>}</p>
  
  <p>and it gives me an exception </p>
  
  <p>PS. I've got the following jars in my peoject:  </p>
  
  <p><strong>**apache - commons-logging,<br>
   *<em>httpclient -4.2 ,<br>
  httpcore 4.2.1, 
  slf4j - api 1.6.2,<br>
   apache - solr - solrj -1.4.0</em>***</strong></p>
  
  <pre><code> Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/codec/DecoderException
          at org.apache.commons.httpclient.HttpMethodBase.&lt;init&gt;(HttpMethodBase.java:220)
          at org.apache.commons.httpclient.methods.GetMethod.&lt;init&gt;(GetMethod.java:89)
          at org.apache.solr.client.solrj.impl.CommonsHttpSolrServer.request(CommonsHttpSolrServer.java:288)
          at org.apache.solr.client.solrj.impl.CommonsHttpSolrServer.request(CommonsHttpSolrServer.java:243)
          at org.apache.solr.client.solrj.request.QueryRequest.process(QueryRequest.java:89)
          at org.apache.solr.client.solrj.SolrServer.query(SolrServer.java:118)
          at com.gismo.ReadFromSolr.main(ReadFromSolr.java:27)
      Caused by: java.lang.ClassNotFoundException: org.apache.commons.codec.DecoderException
          at java.net.URLClassLoader$1.run(Unknown Source)
          at java.net.URLClassLoader$1.run(Unknown Source)
          at java.security.AccessController.doPrivileged(Native Method)
          at java.net.URLClassLoader.findClass(Unknown Source)
          at java.lang.ClassLoader.loadClass(Unknown Source)
          at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
          at java.lang.ClassLoader.loadClass(Unknown Source)
  </code></pre>