After creating the session databse
iam seeing some errors in the websphere logs
[10/20/10 14:16:00:702 EDT] 0000000e SessionContex E SESN0057E: BackedHashtableMR: a problem storing application data changes to the database. If a SQLException has occurred then refer to the appropriate database documentation for your environment. Also, ensure that you have properly configured a datasource for Session Manager.
[10/20/10 14:16:00:702 EDT] 0000000e SessionContex E Exception is: java.io.NotSerializableException:
can any one gave me the ideas what is happening
the backend session database is Oracle