exception setting property value with CGLIB 错误解决

最新推荐文章于 2021-08-17 16:07:01 发布

转载最新推荐文章于 2021-08-17 16:07:01 发布 · 4.7k 阅读

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#hibernate #Hibernate

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本文介绍了一个关于Hibernate映射Long类型字段为空时出现的异常情况，并提供了两种解决方案：确保字段非空或者将字段类型更改为Long的包装类型。

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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 isorg.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 isorg.hibernate.MappingException: Could not determine type for: Long, for columns: [org.hibernate.mapping.Column(DEPTID)]

２javax.servlet.ServletException: exception setting property value with CGLIB (sethibernate.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 (sethibernate.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)

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

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" />