hibernate出现这样的错误如何解决

Question

Hibernate: select user0_.id as id0_, user0_.username as username0_, user0_.password as password0_ from tb_user user0_ where user0_.username=? and user0_.password=?
Hibernate: select user0_.id as id0_, user0_.username as username0_, user0_.password as password0_ from tb_user user0_ where user0_.username=? and user0_.password=?
Hibernate: select user0_.id as id0_, user0_.username as username0_, user0_.password as password0_ from tb_user user0_ where user0_.username=? and user0_.password=?
Hibernate: select user0_.id as id0_, user0_.username as username0_, user0_.password as password0_ from tb_user user0_ where user0_.username=? and user0_.password=?
Hibernate: select productcat0_.id as id3_, productcat0_.name as name3_, productcat0_.level as level3_, productcat0_.pid as pid3_ from tb_productCategory productcat0_ where productcat0_.pid is null limit ?
Hibernate: select count(*) as col_0_0_ from tb_productCategory productcat0_ where productcat0_.pid is null
Hibernate: select count(id) from tb_productCategory where pid =?
Hibernate: select count(id) from tb_productCategory where pid =?
Hibernate: select count(id) from tb_productCategory where pid =?

Answer 1

http://blog.csdn.net/abeetle/article/details/1518188