Could not Deserialize access, error

amy

Hi all,

When I try to access the DAO from my struts action class an error is reported as shown below. I have service layer, DAO Layer(Spring) and orm(Hibernate).(RequestProcessor.java:538) - Unhandled Exception thrown: class org..orm.hibernate3.HibernateSystem  Exception
[8/14/06 10:58:10:859 IST]  b55474c SystemOut     O DEBUG [Servlet.Engine.Transports : 1] (fromSessionContextIntegrationFilter.java:285) - SecurityContextHolder set to new context, as request processing completed
[8/14/06 10:58:10:984 IST]  b55474c WebGroup      E SRVE0026E: [Servlet Error]-[could not deserialize; nested exception is org.hibernate.type.SerializationException: could not deserialize]: org..orm.hibernate3.HibernateSystem  Exception: could not deserialize; nested exception is org.hibernate.type.SerializationException: could not deserialize
org.hibernate.type.SerializationException: could not deserialize
at org.hibernate.util.SerializationHelper.deserialize  (SerializationHelper.java:211)
at org.hibernate.util.SerializationHelper.deserialize  (SerializationHelper.java:234)
at org.hibernate.type.SerializableType.fromBytes(Seri  alizableType.java:78)
at org.hibernate.type.SerializableType.get(Serializab  leType.java:39)
at org.hibernate.type.NullableType.nullSafeGet(Nullab  leType.java:77)
at org.hibernate.type.NullableType.nullSafeGet(Nullab  leType.java:68)
at org.hibernate.type.AbstractType.hydrate(AbstractTy  pe.java:80)
at org.hibernate.persister.entity.BasicEntityPersiste  r.hydrate(BasicEntityPersister.java:1690)
at org.hibernate.loader.Loader.loadFromResultSet(Load  er.java:991)
at org.hibernate.loader.Loader.instanceNotYetLoaded(L  oader.java:942)
at org.hibernate.loader.Loader.getRow(Loader.java:855  )
at org.hibernate.loader.Loader.getRowFromResultSet(Lo  ader.java:305)
at org.hibernate.loader.Loader.doQuery(Loader.java:41  2)
at org.hibernate.loader.Loader.doQueryAndInitializeNo  nLazyCollections(Loader.java:218)
at org.hibernate.loader.Loader.loadEntity(Loader.java  :1345)
at org.hibernate.loader.entity.EntityLoader.load(Enti  tyLoader.java:116)
at org.hibernate.loader.entity.EntityLoader.load(Enti  tyLoader.java:101)
at org.hibernate.persister.entity.BasicEntityPersiste  r.load(BasicEntityPersister.java:2471)
at org.hibernate.event.def.DefaultLoadEventListener.l  oadFromDatasource(DefaultLoadEventListener.java:35  1)
at org.hibernate.event.def.DefaultLoadEventListener.d  oLoad(DefaultLoadEventListener.java:332)
at org.hibernate.event.def.DefaultLoadEventListener.l  oad(DefaultLoadEventListener.java:113)
at org.hibernate.event.def.DefaultLoadEventListener.p  roxyOrLoad(DefaultLoadEventListener.java:167)
at org.hibernate.event.def.DefaultLoadEventListener.o  nLoad(DefaultLoadEventListener.java:79)
at org.hibernate.impl.SessionImpl.get(SessionImpl.jav  a:621)
at org.hibernate.impl.SessionImpl.get(SessionImpl.jav  a:614)
at org..orm.hibernate3.HibernateTempla  te$1.doInHibernate(HibernateTemplate.java:452)
at org..orm.hibernate3.HibernateTempla  te.execute(HibernateTemplate.java:366)
at org..orm.hibernate3.HibernateTempla  te.get(HibernateTemplate.java:446)
at org..orm.hibernate3.HibernateTempla  te.get(HibernateTemplate.java:440)
at com.deemsys.elearn.app.demographic.dao.impl.UserLo  ginDAO.getUserLogin(UserLoginDAO.java:36)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ  e Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Native  MethodAccessorImpl.java:85)
at sun.reflect.NativeMethodAccessorImpl.invoke(Native  MethodAccessorImpl.java:58)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(De  legatingMethodAccessorImpl.java(Compiled Code))
at java.lang.reflect.Method.invoke(Method.java(Compil  ed Code))
at org..aop.support.AopUtils.invokeJoi  npointUsingReflection(AopUtils.java:287)
at org..aop.framework.ReflectiveMethod  Invocation.invokeJoinpoint(ReflectiveMethodInvocat  ion.java:181)
at org..aop.framework.ReflectiveMethod  Invocation.proceed(ReflectiveMethodInvocation.java  :148)
at net.sf.acegisecurity.intercept.method.aopalliance.  MethodSecurityInterceptor.invoke(MethodSecurityInt  erceptor.java:80)
at org..aop.framework.ReflectiveMethod  Invocation.proceed(ReflectiveMethodInvocation.java  :170)
at org..aop.interceptor.PerformanceMon  itorInterceptor.invokeUnderTrace(PerformanceMonito  rInterceptor.java:60)
at org..aop.interceptor.AbstractTraceI  nterceptor.invoke(AbstractTraceInterceptor.java:11  1)
at org..aop.framework.ReflectiveMethod  Invocation.proceed(ReflectiveMethodInvocation.java  :170)
at org..aop.interceptor.SimpleTraceInt  erceptor.invokeUnderTrace(SimpleTraceInterceptor.j  ava:59)
at org..aop.interceptor.AbstractTraceI  nterceptor.invoke(AbstractTraceInterceptor.java:11  1)
at org..aop.interceptor.DebugIntercept  or.invoke(DebugInterceptor.java:61)
at org..aop.framework.ReflectiveMethod  Invocation.proceed(ReflectiveMethodInvocation.java  :170)
at org..aop.framework.JdkDynamicAopPro  xy.invoke(JdkDynamicAopProxy.java:176)
at $Proxy7.getUserLogin(Unknown Source)
at com.deemsys.elearn.app.demographic.service.impl.De  mographicService.getUserLogin(DemographicService.j  ava:94)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ  e Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Native  MethodAccessorImpl.java:85)
at sun.reflect.NativeMethodAccessorImpl.invoke(Native  MethodAccessorImpl.java:58)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(De  legatingMethodAccessorImpl.java(Compiled Code))
at java.lang.reflect.Method.invoke(Method.java(Compil  ed Code))
at org..aop.support.AopUtils.invokeJoi  npointUsingReflection(AopUtils.java:287)
at org..aop.framework.ReflectiveMethod  Invocation.invokeJoinpoint(ReflectiveMethodInvocat  ion.java:181)
at org..aop.framework.ReflectiveMethod  Invocation.proceed(ReflectiveMethodInvocation.java  :148)
at net.sf.acegisecurity.intercept.method.aopalliance.  MethodSecurityInterceptor.invoke(MethodSecurityInt  erceptor.java:80)
at org..aop.framework.ReflectiveMethod  Invocation.proceed(ReflectiveMethodInvocation.java  :170)
at org..transaction.interceptor.Transa  ctionInterceptor.invoke(TransactionInterceptor.jav  a:96)
at org..aop.framework.ReflectiveMethod  Invocation.proceed(ReflectiveMethodInvocation.java  :170)