title: Select Event Handler is empty at jdeveloper
body: <p>I'm trying to follow up with tutorial for adf contextual events from here :</p>
  <pre><code>http://rohanwalia.blogspot.com/2013/07/contextual-events-basic-step-by-step.html
  </code></pre>
  <p>and where I reach this step to select the handler</p>
  <pre><code>Select the Method handler binding in the Handler field of the Subscriber window as shown below.
  </code></pre>
  <p>the select handler window is shown empty as below:
  <a href="https://i.stack.imgur.com/ROlBW.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/ROlBW.png" alt="enter image description here" /></a></p>
  <p>I'm using jdeveloper Oracle IDE 12.2.1.4.42.190911.2248</p>