Caused by: org.springframework.orm.hibernate3.HibernateSystemException:
IllegalArgumentException occurred while calling setter of
com.db.spgit.abstrack.model.User.rv; nested exception is
org.hibernate.PropertyAccessException: IllegalArgumentException
occurred while calling setter of com.db.spgit.abstrack.model.User.rv
       at org.springframework.orm.hibernate3.SessionFactoryUtils.convertHibernateAccessException(SessionFactoryUtils.java:676)
       at org.springframework.orm.hibernate3.HibernateAccessor.convertHibernateAccessException(HibernateAccessor.java:412)
       at org.springframework.orm.hibernate3.HibernateTemplate.doExecute(HibernateTemplate.java:424)
       at org.springframework.orm.hibernate3.HibernateTemplate.executeWithNativeSession(HibernateTemplate.java:374)
       at org.springframework.orm.hibernate3.HibernateTemplate.findByCriteria(HibernateTemplate.java:1055)
       at org.springframework.orm.hibernate3.HibernateTemplate.findByCriteria(HibernateTemplate.java:1048)
       at com.db.abstrack.dao.hibernate.AbstrackDaoHibernate.findByCriteria(AbstrackDaoHibernate.java:57)
       at com.db.abstrack.dao.hibernate.UserDaoHibernate.loadByName(UserDaoHibernate.java:63)
       at com.db.spgit.abstrack.manager.QuoteManager.populateUser(QuoteManager.java:330)
       at com.db.spgit.abstrack.manager.QuoteManager.populateOwnerUK(QuoteManager.java:307)
       at com.db.spgit.abstrack.manager.QuoteManager.populateGuids(QuoteManager.java:254)
       at com.db.spgit.abstrack.manager.QuoteManager.addQuoteReturnVwRfqUK(QuoteManager.java:429)
       at com.db.spgit.abstrack.manager.QuoteManager$$FastClassByCGLIB$$d817accb.invoke(<generated>)
       at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
       at org.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:700)
       at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)
       at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106)
       at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
       at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:635)
       at com.db.spgit.abstrack.manager.QuoteManager$$EnhancerByCGLIB$$cc8d0025.addQuoteReturnVwRfqUK(<generated>)
       at com.db.abstrack.ejb.RfqBean.addRfqDraftListUK(RfqBean.java:370)
       ... 59 more
    Caused by: org.hibernate.PropertyAccessException:
IllegalArgumentException occurred while calling setter of
com.db.spgit.abstrack.model.User.rv
       at org.hibernate.property.BasicPropertyAccessor$BasicSetter.set(BasicPropertyAccessor.java:104)
       at org.hibernate.tuple.entity.AbstractEntityTuplizer.setPropertyValues(AbstractEntityTuplizer.java:337)
       at org.hibernate.tuple.entity.PojoEntityTuplizer.setPropertyValues(PojoEntityTuplizer.java:200)
       at org.hibernate.persister.entity.AbstractEntityPersister.setPropertyValues(AbstractEntityPersister.java:3514)
       at org.hibernate.cache.entry.CacheEntry.assemble(CacheEntry.java:116)
       at org.hibernate.cache.entry.CacheEntry.assemble(CacheEntry.java:82)
       at org.hibernate.event.def.DefaultLoadEventListener.assembleCacheEntry(DefaultLoadEventListener.java:553)
       at org.hibernate.event.def.DefaultLoadEventListener.loadFromSecondLevelCache(DefaultLoadEventListener.java:508)
       at org.hibernate.event.def.DefaultLoadEventListener.doLoad(DefaultLoadEventListener.java:357)
       at org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:139)
       at org.hibernate.event.def.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:179)
       at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:103)
       at org.hibernate.impl.SessionImpl.fireLoad(SessionImpl.java:878)
       at org.hibernate.impl.SessionImpl.internalLoad(SessionImpl.java:846)
       at org.hibernate.type.EntityType.resolveIdentifier(EntityType.java:557)
       at org.hibernate.type.ManyToOneType.assemble(ManyToOneType.java:196)
       at org.hibernate.cache.StandardQueryCache.get(StandardQueryCache.java:130)
       at org.hibernate.loader.Loader.getResultFromQueryCache(Loader.java:2152)
       at org.hibernate.loader.Loader.listUsingQueryCache(Loader.java:2117)
       at org.hibernate.loader.Loader.list(Loader.java:2087)
       at org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:95)
       at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1569)
       at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:283)
       at org.springframework.orm.hibernate3.HibernateTemplate$36.doInHibernate(HibernateTemplate.java:1065)
       at org.springframework.orm.hibernate3.HibernateTemplate.doExecute(HibernateTemplate.java:419)
       ... 77 more
    Caused by: java.lang.IllegalArgumentException:
java.lang.ClassCastException at 6be0d6
       at sun.reflect.GeneratedMethodAccessor104.invoke(Unknown Source)
       at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
       at java.lang.reflect.Method.invoke(Method.java:597)
       at org.hibernate.property.BasicPropertyAccessor$BasicSetter.set(BasicPropertyAccessor.java:42)
       ... 101 more

@Entity
@Proxy(lazy=false)
@Cache(usage=CacheConcurrencyStrategy.TRANSACTIONAL)
@Table(name="TB_USER"
    ,schema="ABSOL_USER"
)
public class User  implements java.io.Serializable {
     private String id;
     private String userName;
     private Integer rv;

     public User() {
     }

     public User(String userName, Integer rv) {
        this.userName = userName;
        this.rv = rv;
     }

     @GenericGenerator(name="generator", strategy="guid")@Id @GeneratedValue(generator="generator")

     @Column(name="USER_ID", unique=true, nullable=false)
     public String getId() {
        return this.id;
     }

     public void setId(String id) {
         this.id = id;
     }

     @Column(name="USER_NAME", nullable=false, length=20)
     public String getUserName() {
         return this.userName;
     }

     public void setUserName(String userName) {
         this.userName = userName;
     }

     @Column(name="USER_RV", precision=22, scale=0)
     public Integer getRv() {
         return this.rv;
     }

     public void setRv(Integer rv) {
         this.rv = rv;
     }
}

CREATE TABLE "ABSOL_OWNER"."TB_USER"(
    "USER_ID" RAW(16) DEFAULT SYS_GUID(),
    "USER_NAME" VARCHAR2(20 CHAR) NOT NULL ENABLE,
    "USER_RV" NUMBER NOT NULL ENABLE,
    PRIMARY KEY ("USER_ID")
)