title: How to add third party libraries to Talend project?
body: <p>How to add third party libraries (jar files) to a Talend project ?</p>
  
  <p>One more question is, Each Talend <code>component</code> uses <code>LogFactory</code>, but in my case it is throwing </p>
  
  <pre><code>java.lang.NoClassDefFoundError: org.apache.commons.logging.LogFactory
      at ...
  </code></pre>
  
  <p>with <code>tSetGlobalVar</code> component, how can I make use of existing logging library to get rid of this exception? </p>