[jboss-user] [EJB/JBoss] - Synchronization of Statefull Session Beans - problems with A

[chenkel]

Hi,

is it really guaranteed, also under very heavy load, that a client has exclusive access to a statefull session bean?

Or might it be a problem to use ArrayLists as local variables in a method of a stateless session bean?

I use a stateless session bean in the context of a container managed transaction. 
The bean itself does not require transactions. 
The bean methods just compute some functions.

Under very heavy load (ca. 30.000 transaction / hour), the bean sometimes produces non reproducable wrong function results (ca. 1 / hour).

The function results are stored in ArrayLists in the method. 
Might this be a problem?

Thanks,
Claudia


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