public void cleanStart(){
  Connection conn=getConnection(true,true);
  if (conn == null)   throw new IllegalStateException("No Database");
  dropDatabase(conn);
  createUser(conn);
  createDatabase(conn);
  try {
    if (conn != null)     conn.close();
  }
 catch (  SQLException e2) {
    log.log(Level.SEVERE,"close connection",e2);
  }
  conn=null;
}

public void cleanStart ( ) { Connection conn = getConnection ( true , true ) ; if ( conn == null ) throw new IllegalStateException ( "No Database" ) ; dropDatabase ( conn ) ; createUser ( conn ) ; createDatabase ( conn ) ; try { if ( conn != null ) conn . close ( ) ; } catch ( SQLException e2 ) { log . log ( Level . SEVERE , "close connection" , e2 ) ; } conn = null ; }
clean start - drop & re - create db
