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EJB server

 
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<quote>
"Conceptually, an EJB server may have many containers, each of which may contain one or more types of Enterprise beans"
</quote>
Pg 43 (chpt 2) Monson-Haefel book


My question is : if one container can contain more than one type of enterprise beans, then what is the advantage of having more than one container per EJB server ?
 
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One reason, In case one of the containers crash, the rest of the containers can keep running. WebSphere has each container in its own JVM for this reason.
 
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