gistfile1.txt

...
String DB_URL = System.getenv("url");
        if (DB_URL == null ) {
          System.out.println("Environment variable url must be set");
          System.exit(1);
        }
 PoolDataSource pds = PoolDataSourceFactory.getPoolDataSource();
 pds.setConnectionFactoryClassName("oracle.jdbc.replay.OracleDataSourceImpl");
 pds.setURL(DB_URL); pds.setUser(DB_USER);pds.setPassword(DB_PASSWORD);
 pds.setConnectionPoolName("JDBC_UCP_POOL");
 Connection conn = pds.getConnection();