title: Oracle REST Data Service apex_pu
body: <p>I tried to install Oracle REST Data Service and I got this error:
  (on <code>java -jar ords.war install</code>)</p>
  
  <pre><code>SEVERE: The pool named: apex_pu is not correctly configured, 
  error: ORA-01017: invalid username/password; logon denied
  
  oracle.dbtools.common.jdbc.ConnectionPoolException: 
  The pool named: apex_pu is not correctly configured, 
  error: ORA-01017: invalid username/password; logon denied
  
          at oracle.dbtools.common.jdbc.ConnectionPoolException.badConfiguration(ConnectionPoolException.java:88)
          at oracle.dbtools.common.config.db.DatabasePools.badConfiguration(DatabasePools.java:198)
  </code></pre>