Question

tomcat报错，不知道啥原因，求高手解答，我是菜鸟…………

严重: Servlet.service() for servlet default threw exception
java.lang.IllegalAccessError: tried to access field org.hibernate.cfg.Configuration.xmlHelper from class org.hibernate.cfg.AnnotationConfiguration
at org.hibernate.cfg.AnnotationConfiguration.addInputStream(AnnotationConfiguration.java:712)
at org.hibernate.cfg.Configuration.addResource(Configuration.java:482)
at org.hibernate.cfg.AnnotationConfiguration.parseMappingElement(AnnotationConfiguration.java:581)
at org.hibernate.cfg.Configuration.parseSessionFactory(Configuration.java:1433)
at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1414)
at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1390)
at org.hibernate.cfg.Configuration.configure(Configuration.java:1310)
at hibe.HibernateSessionFactory.<clinit>(HibernateSessionFactory.java:31)
at test.BaseHibernateDAO.getSession(BaseHibernateDAO.java:14)
at test.dao.MetadataDAO.findAll(MetadataDAO.java:151)
at test.bo.MetadataBOImpl.findAll(MetadataBOImpl.java:27)
at test.action.TestAction.findAllMetadata(TestAction.java:69)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:404)
at com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:267)

DAO的源码：public List findAll() {
log.debug("finding all Metadata instances");
try {
String queryString = "from Metadata";
Query queryObject = getSession().createQuery(queryString);
return queryObject.list();
} catch (RuntimeException re) {
log.error("find all failed", re);
throw re;
}
}
BO层的源码：
public List<Metadata> findAll() {
// TODO Auto-generated method stub
return medao.findAll();
}
ACTION的源码：
public List findAllMetadata(){
try {
list = metabo.findAll();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return list;
}

Answer 1

hibernate3.jar jar包不对，看看有没有包，或者版本不对

Answer 2

你那个getsession方法是从哪儿的。可能你的那里面的问题。

Answer 3

你写出来还是是菜鸟？