Error on upload .war file in weblogic
<p>I have already deployed my web apps into a WAR file. The next process, i want to upload my web apps to weblogic but i get error message. </p>

<blockquote>
  <p>An error occurred during activation of changes, please see the log for details.
  Error java.lang.NoClassDefFoundError: Could not initialize class oracle.adf.share.ADFContext
  Error Could not initialize class oracle.adf.share.ADFContext</p>
</blockquote>

<p>in the war file, i have already include all library jar files.
what caused error above? </p>

<p>for notes:
i am using oracle jdeveloper IDE 12c and weblogic server 12c</p>