title: Forms [ORA-12560: TNS:protocol adapter error]
body: <p>I have oracle 11g database and using oracle forms and report 11g for created form by oracle.
  I installed all of below software successfully(32 bit):</p>
  
  <pre><code>1- oracle 11g
  2- JDK 1.6
  3- web logic 11.
  4- oracle forms and report.
  </code></pre>
  
  <p>but when I want to run a form it has the erro(ORA-12560: TNS:protocol adapter error).
  image show the forms:
  <img src="https://i.stack.imgur.com/QvXHA.jpg" alt="enter image description here"></p>
  
  <p>after run the form it does this error(before run form I started the weblogic server):
  <img src="https://i.stack.imgur.com/rJjII.jpg" alt="enter image description here"></p>