Exception in thread "main" java.lang.NullPointerException

[java]  at mypack.BusinessService51.findMonkeysByTeam(BusinessService51.java:24)  //错误出现场的第一位置

      tx = session.beginTransaction();//此处应该是开始了

     // //int count;      // //List monkeys = new List[count];       Query query = new Query;       Query query = session.createQuery("from Monkey as m where m.team.id="+team.getId());      List monkeys = query.list();      System.out.println("query.list()");       // List monkeys=session.createQuery("from Monkey as m where m.team.id="+team.getId())       //                   .list();

修改的过程如上