try { 
       Class.forName("com.mysql.jdbc.Driver").newInstance(  ); 
       String ConnectionString="jdbc:mysql://" + hostname + "/" + database + "?user=" + 
              username + "&password=" + password; 
       System.out.println(ConnectionString); 
       Connection conn = DriverManager.getConnection(ConnectionString); 
       Statement stmt=conn.createStatement(  ); 
       stmt.execute("call error_test_proc(1)"); 
    } 
    catch(SQLException SQLEx) { 
      System.out.println("MySQL error: "+SQLEx.getErrorCode(  )+ 
              " SQLSTATE:" +SQLEx.getSQLState(  )); 
       System.out.println(SQLEx.getMessage(  )); 
    }