Hi,
My application is working fine in Jboss-2.4.3_Tomcat-3.2.3.
Now i have deployed same application in JBoss-2.4.4-Tomcat-4.0.1,when i make request to my login page i am getting following exception......


[INFO,Default] JBoss-2.4.4 Started in 0m:39s.367
[INFO,EmbeddedCatalinaServiceSX] jsp: init
[INFO,Default] =========================================
[INFO,Default] Session Created
[INFO,Default] =========================================
[INFO,Default] ***Console Out:null
[INFO,Default] ***Log directory not specified, not writing to log file
[INFO,Default] <Info3 message="Updating from model:ZAclLoginForm" category="com
.zeborg.web.formutil" source="FormUtil" timestamp="Thu Apr 25 17:05:29 IST 200
2" thread="HttpProcessor[8080][4]" />
[ERROR,Default] java.io.NotSerializableException: org.apache.jasper.runtime.Page
ContextImpl
[ERROR,Default] at java.io.ObjectOutputStream.writeObject0(ObjectOutputS
tream.java:1054)
[ERROR,Default] at java.io.ObjectOutputStream.defaultWriteFields(ObjectO
utputStream.java:1330)
[ERROR,Default] at java.io.ObjectOutputStream.writeSerialData(ObjectOutp
utStream.java:1302)
[ERROR,Default] at java.io.ObjectOutputStream.writeOrdinaryObject(Object
OutputStream.java:1245)
[ERROR,Default] at java.io.ObjectOutputStream.writeObject0(ObjectOutputS
tream.java:1052)
[ERROR,Default] at java.io.ObjectOutputStream.defaultWriteFields(ObjectO
utputStream.java:1330)
[ERROR,Default] at java.io.ObjectOutputStream.writeSerialData(ObjectOutp
utStream.java:1302)
[ERROR,Default] at java.io.ObjectOutputStream.writeOrdinaryObject(Object
OutputStream.java:1245)
[ERROR,Default] at java.io.ObjectOutputStream.writeObject0(ObjectOutputS
tream.java:1052)
[ERROR,Default] at java.io.ObjectOutputStream.writeArray(ObjectOutputStr
eam.java:1224)
[ERROR,Default] at java.io.ObjectOutputStream.writeObject0(ObjectOutputS
tream.java:1050)
[ERROR,Default] at java.io.ObjectOutputStream.writeObject(ObjectOutputSt
ream.java:278)
[ERROR,Default] at org.jboss.ejb.plugins.jrmp.interfaces.RemoteMethodInv
ocation.writeExternal(RemoteMethodInvocation.java:253)
[ERROR,Default] at java.io.ObjectOutputStream.writeExternalData(ObjectOu
tputStream.java:1265)
[ERROR,Default] at java.io.ObjectOutputStream.writeOrdinaryObject(Object
OutputStream.java:1243)
[ERROR,Default] at java.io.ObjectOutputStream.writeObject0(ObjectOutputS
tream.java:1052)
[ERROR,Default] at java.io.ObjectOutputStream.writeObject(ObjectOutputSt
ream.java:278)
[ERROR,Default] at java.rmi.MarshalledObject.(MarshalledObject.jav
a:92)
[ERROR,Default] at org.jboss.ejb.plugins.jrmp.server.JRMPContainerInvoke
r.invoke(JRMPContainerInvoker.java:491)
[ERROR,Default] at org.jboss.ejb.plugins.jrmp.interfaces.GenericProxy.in
vokeContainer(GenericProxy.java:335)
[ERROR,Default] at org.jboss.ejb.plugins.jrmp.interfaces.StatelessSessio
nProxy.invoke(StatelessSessionProxy.java:123)
[ERROR,Default] at $Proxy101.populateFromModel(Unknown Source)
[ERROR,Default] at com.zeborg.web.FormUtil.defaultProcess(FormUtil.java:
757)
[ERROR,Default] at com.zeborg.web.FormUtil.defaultProcess(FormUtil.java:
632)
[ERROR,Default] at com.zeborg.web.FormUtil.defaultProcess(FormUtil.java:
616)
[ERROR,Default] at com.zeborg.web.FormUtil.defaultProcess(FormUtil.java:
585)
[ERROR,Default] at org.apache.jsp.Login$jsp._jspService(Login$jsp.java:1
28)
[ERROR,Default] at org.apache.jasper.runtime.HttpJspBase.service(HttpJsp
Base.java:107)
[ERROR,Default] at javax.servlet.http.HttpServlet.service(HttpServlet.ja
va:853)
[ERROR,Default] at org.apache.jasper.servlet.JspServlet$JspServletWrappe
r.service(JspServlet.java:202)
[ERROR,Default] at org.apache.jasper.servlet.JspServlet.serviceJspFile(J
spServlet.java:382)
[ERROR,Default] at org.apache.jasper.servlet.JspServlet.service(JspServl
et.java:474)
[ERROR,Default] at javax.servlet.http.HttpServlet.service(HttpServlet.ja
va:853)
[ERROR,Default] at org.apache.catalina.core.ApplicationFilterChain.inter
nalDoFilter(ApplicationFilterChain.java:247)
[ERROR,Default] at org.apache.catalina.core.ApplicationFilterChain.doFil
ter(ApplicationFilterChain.java:193)
[ERROR,Default] at org.apache.catalina.core.StandardWrapperValve.invoke(
StandardWrapperValve.java:243)
[ERROR,Default] at org.apache.catalina.core.StandardPipeline.invokeNext(
StandardPipeline.java:566)
[ERROR,Default] at org.apache.catalina.core.StandardPipeline.invoke(Stan
dardPipeline.java:472)
[ERROR,Default] at org.apache.catalina.core.ContainerBase.invoke(Contain
erBase.java:943)
[ERROR,Default] at org.apache.catalina.core.StandardContextValve.invoke(
StandardContextValve.java:201)
[ERROR,Default] at org.apache.catalina.core.StandardPipeline.invokeNext(
StandardPipeline.java:566)
[ERROR,Default] at org.apache.catalina.valves.CertificatesValve.invoke(C
ertificatesValve.java:246)
[ERROR,Default] at org.apache.catalina.core.StandardPipeline.invokeNext(
StandardPipeline.java:564)
[ERROR,Default] at org.apache.catalina.core.StandardPipeline.invoke(Stan
dardPipeline.java:472)
[ERROR,Default] at org.apache.catalina.core.ContainerBase.invoke(Contain
erBase.java:943)
[ERROR,Default] at org.apache.catalina.core.StandardContext.invoke(Stand
ardContext.java:2344)
[ERROR,Default] at org.apache.catalina.core.StandardHostValve.invoke(Sta
ndardHostValve.java:164)
[ERROR,Default] at org.apache.catalina.core.StandardPipeline.invokeNext(
StandardPipeline.java:566)
[ERROR,Default] at org.apache.catalina.valves.ErrorDispatcherValve.invok
e(ErrorDispatcherValve.java:170)
[ERROR,Default] at org.apache.catalina.core.StandardPipeline.invokeNext(
StandardPipeline.java:564)
[ERROR,Default] at org.apache.catalina.valves.ErrorReportValve.invoke(Er
rorReportValve.java:170)
[ERROR,Default] at org.apache.catalina.core.StandardPipeline.invokeNext(
StandardPipeline.java:564)
[ERROR,Default] at org.apache.catalina.core.StandardPipeline.invoke(Stan
dardPipeline.java:472)
[ERROR,Default] at org.apache.catalina.core.ContainerBase.invoke(Contain
erBase.java:943)
[ERROR,Default] at org.apache.catalina.core.StandardEngineValve.invoke(S
tandardEngineValve.java:163)
[ERROR,Default] at org.apache.catalina.core.StandardPipeline.invokeNext(
StandardPipeline.java:566)
[ERROR,Default] at org.apache.catalina.core.StandardPipeline.invoke(Stan
dardPipeline.java:472)
[ERROR,Default] at org.apache.catalina.core.ContainerBase.invoke(Contain
erBase.java:943)
[ERROR,Default] at org.apache.catalina.connector.http.HttpProcessor.proc
ess(HttpProcessor.java:1011)
[ERROR,Default] at org.apache.catalina.connector.http.HttpProcessor.run(
HttpProcessor.java:1106)
[ERROR,Default] at java.lang.Thread.run(Thread.java:536)





please help me...
Thanks
Nagurva