log4j:WARN No appenders could be found for logger (org.hibernate.cfg.Environment).
log4j:WARN Please initialize the log4j system properly.
Exception in thread "main" org.hibernate.TypeMismatchException: Provided id of the wrong type for class pojo.Books. Expected: class java.lang.Integer, got class java.lang.Long
at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:109)
at org.hibernate.impl.SessionImpl.fireLoad(SessionImpl.java:906)
at org.hibernate.impl.SessionImpl.get(SessionImpl.java:843)
at org.hibernate.impl.SessionImpl.get(SessionImpl.java:836)
at test.test.sessions(test.java:34)
at test.test.main(test.java:55)

创建数据库，id 为int

创建数据库的表：CREATE TABLE books(id INT PRIMARY KEY auto_increment,Bookname VARCHAR(50),Bookprice VARCHAR(40));

Books bookFirst = (Books)session.get(Books.class, new Long(1));

这是因为 数据库id为integer与long类型数据不匹配！

修改.hbm.xml
修改主键数据类型为long

Provided id of the wrong type for class pojo.Books. Expected: class java.lang.Integer, got class java.lang.Long的更多相关文章

  1. TypeMismatchException: Provided id of the wrong type for class zhongfucheng.user.entity.User.

    今天在使用SSH框架做项目的时候出现了这个错误,找了我非常非常多的时间!!!!!!! Struts Problem Report Struts has detected an unhandled ex ...

  2. org.hibernate.TypeMismatchException: Provided id of the wrong type for class cn.itcast.entity.User. Expected: class java.lang.String, got class java.lang.Integer at org.hibernate.event.internal.Defau

    出现org.hibernate.TypeMismatchException: Provided id of the wrong type for class cn.itcast.entity.User ...

  3. org.hibernate.TypeMismatchException: Provided id of the wrong type for class *** Expected ***

    今天上生产发现warn日志有异常,就查看了下: 2018-12-05 10:05:05.666 [pool-4-thread-1] ERROR org.springframework.batch.co ...

  4. Cannot convert 0 of type class java.lang.Integer to class java.lang.Boolean

    org.apache.catalina.core.ApplicationDispatcher invoke SEVERE: Servlet.service() for servlet jsp thre ...

  5. iOS Assigning to 'id<XXXDelegate>' from incompatible type 'BViewController *__strong'

    在使用代理的时候, BViewController *BVC = [[BViewController alloc]init]; self.delegate = BVC; 出现这样的警告Assignin ...

  6. JSP页面使用EL表达式出现的问题：javax.el.PropertyNotFoundException: Property 'ID' not found on type java.lang.Str

    问题描述: 1. 后台返回到JSP前台的的list,在jsp页面使用EL表达式遍历时出现如下问题:javax.el.PropertyNotFoundException: Property 'ID' n ...

  7. java 反射 报错：Attempt to get java.lang.Integer field "..." with illegal data type conversion to int

    类: Integer id; 反射时: Field f = User.class.getDeclaredField("id"); f.setAccessible(true); in ...

  8. org.springframework.dao.InvalidDataAccessApiUsageException: Parameter value [41] did not match expected type [java.lang.Integer (n/a)];

    题记:以前记录过一些自己遇到的BUG,这个行为,让我一看报错的提示信息就能定位到问题的所在,后来记得比较多了,好多是重复性的再加上比较忙就没有详细的记录了,今天的工作量比较小,就顺便记录一下,以便以后 ...

  9. no suitable HttpMessageConverter found for request type [java.lang.Integer]

    今天在使用Spring Template的时候遇到了这个异常: no suitable HttpMessageConverter found for request type [java.lang.I ...

随机推荐

  1. Wamp下安装Memcached

    最近的项目要用到memcache,所以要在本地安装,安装过程中很遇到一些问题,在这里记录下. 我使用的是wamp集成环境,各个版本如下: WampServer Version 2.2 Apache V ...

  2. git 变基(无卵用)

    在当前分支执行rebase即可,会将提交的记录变成一条直线 git rebase

  3. 报错：[__NSArrayI objectAtIndex:]: index 5 beyond bounds [0 .. 4]'

    报错内容:如下 分析: 遇到这种情况,说明超出了数组的范围 如要插入某组数据,但是这组数据只有10条:但是这里设置为20条.当第11个cell填充数据时就会报错, [__NSArrayI object ...

  4. [CGAL]带岛多边形三角化

    CGAL带岛多边形三角化,并输出(*.ply)格式的模型 模型输出的关键是节点和索引 #include <CGAL/Triangulation_vertex_base_with_id_2.h&g ...

  5. Android典型界面设计——FragmentTabHost+Fragment实现底部tab切换

    一.问题描述 在上次博文中,我们使用RadioGroup+ViewPage+Fragmen实现了顶部滑动导航(查看文章:http://www.cnblogs.com/jerehedu/p/460759 ...

  6. Using std::map with a custom class key

    From: https://www.walletfox.com/course/mapwithcustomclasskey.php If you have ever tried to use a cus ...

  7. CentOS 安装 Hadoop 手记

    Download & Install   download hadoop from http://hadoop.apache.org/releases.html#Download downlo ...

  8. 常用CTPN、CRNN文本检测识别框架

    一.SWT识别: yestinsong/Text-Detection( Text Detection System with MSER , SWT and Text Verification(fft ...

  9. 【翻译自mos文章】在10g中，当发生ORA-00020时，sqlplus登陆会报“connected to an idle instance”

    在10g中.当发生ORA-00020时,sqlplus登陆会报"connected to an idle instance" 来源于: Sqlplus Logon Reports ...

  10. 创建py模板

    创建模板之后,每次新建py文件,已初始定义的代码段将会自动出现在py文件中.