hibernate表配置异常信息
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唉 
  在这几天遇到的异常把我郁闷坏了,虽然几个异常提示不一样,但是最后的解决途径是一样的 
  下面是几个异常: 
1javax.servlet.ServletException: Error creating bean with name 'userServiceProxy' defined in class path resource [spring/applicationContext_user.xml]: Can't resolve reference to bean 'transactionManager' while setting property 'transactionManager'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'transactionManager' defined in class path resource [spring/applicationContext_user.xml]: Can't resolve reference to bean 'sessionFactory' while setting property 'sessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in class path resource [spring/applicationContext_user.xml]: Initialization of bean failed; nested exception is org.hibernate.MappingException: Could not determine type for: Long, for columns: [org.hibernate.mapping.Column(DEPTID)] 
2javax.servlet.ServletException: exception setting property value with CGLIB (set hibernate.cglib.use_reflection_optimizer=false for more info) setter of com.lyh.service.userservice.entity.LyhUser.setDeptid; nested exception is org.hibernate.PropertyAccessException: exception setting property value with CGLIB (set hibernate.cglib.use_reflection_optimizer=false for more info) setter of com.lyh.service.userservice.entity.LyhUser.setDeptid 
         org.apache.struts.action.RequestProcessor.processException(RequestProcessor.java:523) 
         org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421) 
         org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224) 
         org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194) 
         org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432) 
         javax.servlet.http.HttpServlet.service(HttpServlet.java:709) 
         javax.servlet.http.HttpServlet.service(HttpServlet.java:802) 
root cause 
3org.springframework.orm.hibernate3.HibernateSystemException: exception setting property value with CGLIB (set hibernate.cglib.use_reflection_optimizer=false for more info) setter of com.lyh.service.userservice.entity.LyhUser.setDeptid; nested exception is org.hibernate.PropertyAccessException: exception setting property value with CGLIB (set hibernate.cglib.use_reflection_optimizer=false for more info) setter of com.lyh.service.userservice.entity.LyhUser.setDeptid 
         org.springframework.orm.hibernate3.SessionFactoryUtils.convertHibernateAccessException(SessionFactoryUtils.java:661)
         org.springframework.orm.hibernate3.HibernateAccessor.convertHibernateAccessException(HibernateAccessor.java:413)
         org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:370) 
         org.springframework.orm.hibernate3.HibernateTemplate.find(HibernateTemplate.java:817) 
         org.springframework.orm.hibernate3.HibernateTemplate.find(HibernateTemplate.java:809) 
         com.lyh.service.userservice.dao.impl.UserDAOImpl.login(UserDAOImpl.java:41) 
         sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
         sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) 
         sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 
         java.lang.reflect.Method.invoke(Method.java:585) 
         org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:335) 
         org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:165) 
         $Proxy3.login(Unknown Source) 
         com.lyh.service.userservice.manage.impl.UserManageImpl.login(UserManageImpl.java:29) 
         sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
         sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) 
         sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 
         java.lang.reflect.Method.invoke(Method.java:585) 
         org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:335) 
         org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:165) 
         $Proxy2.login(Unknown Source) 
         com.lyh.service.userservice.impl.UserServiceImpl.login(UserServiceImpl.java:47) 
         sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
         sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) 
         sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 
         java.lang.reflect.Method.invoke(Method.java:585) 
         org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:335) 
         org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:165) 
         $Proxy1.login(Unknown Source) 
         com.lyh.web.action.UserAction.login(UserAction.java:59) 
         sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
         sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) 
         sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 
         java.lang.reflect.Method.invoke(Method.java:585) 
         org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:274) 
         org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:194) 
         org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:419) 
         org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224) 
         org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194) 
         org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432) 
         javax.servlet.http.HttpServlet.service(HttpServlet.java:709) 
         javax.servlet.http.HttpServlet.service(HttpServlet.java:802) 
不是很懂意思  , 最好的解决办法是什么 ?前面说的 
查询结果中包含null的值,对于一些数字或boolean包含null,定义该项时必须使用wrapper类型,而不能是primitive类型,例如使用Integer而不能是int,Boolean而不能是boolean否则会抛出exception 
不是很明白意思,如果不想对数据库进行修改那要么样做啊 ?我用的eclipse+myeclipse 
导致原因: 数字型字段值为空. 
解决方法: 
补充下,主要是数据库中的long ,int等原始数据类型为null,如果hibernate映射文件的字段类型为long,由于null不能赋值给原始类型,所以报错。解决方法1:让字段不为空,方法2:把映射文件的字段改为对象。如long 改为 Long ,int 改为Integer, 
double改为 Double 
例子:   
(原先) 
   <property name="cityid" type="long"  > 
            <column name="CITYID" precision="22" scale="0" /> 
        </property> 
改为: 
        <property name="cityid" type="java.lang.Long"  not-null="true"> 
            <column name="CITYID" precision="22" scale="0" /> 
        </property>
 
                     
                    
                 
                    
                 
                
            
         
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浙公网安备 33010602011771号