Hello,

I have a question regarding design in EJB.

Should I use a singleton in my MDB or in stateless session beans.  I have a 
servlet that calls a stateless session bean that calls a message driven bean.  
In the message driven bean constructor I call a singleton to set the mdb class 
variable.  This singleton class reads the configuration file and initializes 
some framework classes.  

Is this ok to do initialization of classes from a configuration files and thus 
have singletons?  In this configuration file I basically have something like a 
map between the xml message tab and the request class for that message and well 
as the action processor

Thanks,

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