JSP Dynpage and Bean

Hi there,
I have developed a portal application using JSP Dynpage which calls R/3 BAPI but I have a strange issue here.
This application calls BAPI and displays it using HTMLB table control.
When returned values from R/3 are small, it is OK. The problem is when large amount of data comes from R/3, data is correctly displayed but Bean seems to be cleared after displaying it. Therefore if one clicks any button on the applicaiton, NullPointerException occurs due to null bean.
Bean scope is "Application".
Do you have any experience like this? Any input is appreciated!
Regards,
Kazuya

At the moment there is a lot of ambigious information about this, and I've asked for some weblog tying it all together (see Bean scope storage confussion)
You problem is that beans in the application scope can be deleted at anytime if the SAP J2EE needs memory. Try the session scope (or search the forums, lots of people have had the same problem before)

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hi
check this out
/message/413811#413811 [original link is broken]
/message/864533#864533 [original link is broken]
/people/community.user/blog/2006/11/02/jspdynpage-with-client-side-eventing-and-database
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I only see some design requirements.
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