title: Getting ORA-01882: timezone region not found with Oracle UCP, on aws ec2 instance?
body: <p>I am running a springboot application (which is running fine on local machine), and getting <code>ORA-01882: timezone region not found</code> error on ec2 instance. Its looks like a config problem but not sure how to fix it.</p>
  
  <p>Stack trace is below</p>
  
  <blockquote>
    <p>Caused by: java.sql.SQLException: Unable to start the Universal
    Connection Pool: oracle.ucp.UniversalConnectionPoolException: Cannot
    get Connection from Datasource: java.sql.SQLException: 
    ORA-00604: error occurred at recursive SQL level 1</p>
    
    <p>ORA-01882: timezone region not found</p>
  </blockquote>
  
  <p>I am using ojdbc8 version 12.2.0.1</p>