星晴coral

运行hibernate程序出现如下错误：Exception in thread "main" java.lang.NoClassDefFoundError: com/opensymphony/oscache/base/Configat org.hibernate.cache.OSCacheProvider.(OSCacheProvider.java:33)at sun.reflect.

pageEncoding与charset区别pageEncoding是设置的JSP页面源代码的字符编码格式，如果该项的值是utf-8，则JSP源代码里不能写汉字了，如果你用的是eclipse等工具的话，保存时他会提示有一个错误，改成gbk就没事了，就是这个道理charset是请求服务器以后返回过来的内容的字符编码(当浏览器得到此文件时以什么方式解码)，即使pageEncoding设置了gb

错误：在myeclipse中【file】->【import】->已有项目  出现：WebRoot中jsp文件里面红色叉错误修改方式：点击项目名称，鼠标右键->【myeclipse】->【Include From Validation】即可注：该修改方式指针对一部分该类型错误有效

此代码是：利用hibernate反向工程生成domain和domain的映射文件基于主键的1-1映射log4j:WARN No appenders could be found for logger (org.hibernate.cfg.Environment).log4j:WARN Please initialize the log4j system properly.%%%%

public int postAmount(){ int postAmount = 0; session = HibernateSessionFactory.getSession(); String hql = "select count(*) from Post"; query = session.createQuery(hql); postAmount = (Integer

在Hibernate配置文件hibernate.cfg.xml中没有添加映射文件的位置举例：可以添加以下信息mapping resource="cn/itcast/hibernate/domain/User.hbm.xml"/>

两个类Person、IdCardPerson：主键id private Integer id; private String name; private IdCard idCard;IdCard：主键id 外键id （此处的id即为Person里面的id） private Integer id; private Person person; private Date u

log4j:WARN No appenders could be found for logger (org.hibernate.cfg.Environment).log4j:WARN Please initialize the log4j system properly.%%%% Error Creating SessionFactory %%%%org.hibernate.Mapp

log4j:WARN No appenders could be found for logger (org.hibernate.cfg.Environment).log4j:WARN Please initialize the log4j system properly.%%%% Error Creating SessionFactory %%%%org.hibernate.Inva

log4j:WARN No appenders could be found for logger (org.hibernate.cfg.Environment).log4j:WARN Please initialize the log4j system properly.%%%% Error Creating SessionFactory %%%%org.hibernate.Mapp

异常：org.apache.jasper.JasperException: The absolute uri: http://java.sun.com/jsp/jstl/core cannot be resolved in either web.xml or the jar files deployed with this applicationat org.apache.ja