title: The import org.apache.commons cannot be resolved in eclipse juno
body: <p>I am having a problem while compiling my project in Eclipse. It is showing the error <strong>The import org.apache.commons cannot be resolved</strong>.</p>
  <p><img src="https://i.stack.imgur.com/lOK8E.jpg" alt="enter image description here" /></p>
  <p>Please tell me what does this error means and how to solve it.</p>