Originally posted by JigaR Parekh:
Why Session Bean that are involved in transactions can not be passivated?
QUOTE from
http://www.phptr.com/articles/article.asp?p=26148&rl=1 Furthermore, if the bean is in the middle of a method call or involved in a transaction, the container cannot passivate it. (A transaction defines the boundaries of uninterruptible database operations...
and Passivation is interrupting the current operation and preserving Bean state to resume later.