[Springframework-developer] Re moving form session attribute.......

[Ramesh E. <ett...@ya...>]

Hi,

I had a problem with the session form. I wrote a controller which inherits
SimpleFormController and set the sessionForm to true.
When i sent the first request to the server, a session is created see the
log message below:
Setting form session attribute .....  <command class >
and when i resend the request with some change in parameters i got to see
the message 
Removing form session attribute ...... <command class>
I think because of this i am getting NullPointerExceptions.

I dont know why its giving the message like this.
can any body say why its being removed from the session.
and how to overcome it.
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