Thanks for the quick reply. I now understand the issue. So in the gwt
client side code we are using the getThreadLocalRequest().getSession()
to put objects in HttpSession. But i guess those objects are gwt
serializable but not java.io.serializable. Any ideas on how to resolve
this ?

On Aug 5, 10:06 am, Jason Morris <[email protected]> wrote:
> This complaint is coming from WebSphere, not GWT.
>
> By implementing IsSerializable you've said "this object may be serialized by 
> GWT", but you haven't
> implemented normal "java.io.Serializable" to make it serializable by 
> WebSphere.
>
> Whensessionreplicationis turned on, any object in thesessionis pushed to all 
> other WebSphere
> servers via normal Java serialization as part of each HTTP request / response 
> cycle.
>
> In short, you need to implement java.io.Serializable on these objects.
>
> Hope that helps.
> //Jason
>
> kss wrote:
> > We are getting  java.io.NotSerializableException in one of our gwt jsr
> > 286 api portlets in WebSphere Portal 6.1. This exception has started
> > to surface in the logs since we enabledsessionreplicationon our
> > WebSphere Portal server. The object which its complaining about has
> > isSerializable interface implemented. When we dont havesession
> >replicationenabled; the issue dosent occur.
>
> > Has anyone seen this exception in websphere environment for gwt
> > portlets or have any ideas ?
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