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eclipse下开发struts+hibernate出现的问题!
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发表: 2005年10月09日 14:33
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下面是个action,我设置断点来跟踪程序,发现当执行action里面的execute()方法时,执行到HelloForm helloForm = (HelloForm) form;这句话后就出现了异常!我不知道原因，请指点,谢谢!异常为:
java.lang.NoClassDefFoundError: org/hibernate/criterion/Criterion
com.itfly.struts.action.HelloAction.execute(HelloAction.java:52)
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525)
javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
action为:
package com.itfly.struts.action;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.hibernate.Query;
import org.hibernate.Session;
import com.itfly.base.BaseUserDAO;
import com.itfly.dao.UserDAO;
import com.itfly.dao._RootDAO;
import com.itfly.struts.form.HelloForm;
public class HelloAction extends Action {
public ActionForward execute(
ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response) {
HelloForm helloForm = (HelloForm) form;
// TODO Auto-generated method stub
_RootDAO.initialize();
UserDAO userDAO = new UserDAO();
Session session = userDAO.getSession();
Query hql = session.createQuery("from User where Id=1");
List list = hql.list();
System.out.print(list.size());
request.setAttribute("list",list);
return mapping.findForward("success");
}
}
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Re: eclipse下开发struts+hibernate出现的问题!
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发表: 2005年10月11日 17:01
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> java.lang.NoClassDefFoundError:
> org/hibernate/criterion/Criterion
看例外,是类找不到,你查看一下你的classpath吧
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