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Mallik Avula
Ranch Hand

Joined: Nov 30, 2006
Posts: 86
HI all
i am using nested tag in my page, and i am getting the page well. but when i submit, i am doing the validation and redisplaying the form if any errors there.
that time i am getting problem.
my jsp code:

exception is:

any body can help?

Thanks & Regards<br />Mallik Avula<br />SCJP1.4
Merrill Higginson
Ranch Hand

Joined: Feb 15, 2005
Posts: 4864
I suspect this problem is occurring because you have placed your ActionForm in request scope and have not provided "lazy initialization" capability for your indexed getters. Because you have a fairly complex structure of questions and options that would be hard to recreate, I would recommmend that you specify session scope for the ActionForm in this case.

This article will give you some more insights as to why this is happening.

Consultant, Sima Solutions
It is sorta covered in the JavaRanch Style Guide.
subject: BeanUtils.populate..