Too much load on servers possible cause of JBO-26000?

Hi,
I'm currently trying to find out what the problem is with our Portal pages (yes, pages with an 's'.. meaning all of 'em). When trying to access the pages, it either returns 'OA Portal Framework Timeout' and, most recently, a 'JBO-26000' generic exception in one of the portlets. (and to add to the problem, none of the other portlets return anything.. not even an error message)
Since JBOs are messages generated by Oracle ADF Business Components, I was wondering if any of the JDevelopers can confirm the idea that too much load on the servers might actually cause the JBO exception.
Thanks a bunch!
Regards,
_lilim                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               

I'm not quite sure about this, but one possible thing that high load causes is a lot of application module recycling. There are all sorts of ways this can cause problems, e.g.:
- VOs without key attributes that are set to passivate
- VOs that aren't set to passivate transient attributes combined with an app that expects the values to be there after AM recycling
-storing important information in fields (as opposed to BC attributes), which don't get passivated

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