在做一个查询功能，因为没接触过，不知道怎么提交代码。我的代码报错：
09:55:27.323 [http-bio-8080-exec-9] ERROR 500.jsp - Cannot forward after response has been committed 09:55:27.3
09:55:27.323 [http-bio-8080-exec-9] ERROR 500.jsp - Cannot forward after response has been committed 09:55:27.3
