If you are running with commit-option 'A', then the lock will occur in 
jboss.

Bill

James Cook wrote:

> They only "lock" if the container implements there transaction isolation (not to
> be confused with the database's) in a pessimistic manner. It used to be that
> only WebLogic took this route, and I don't believe the jBoss folks are doing
> this.
> 
> In the optimistic scheme, a bean with identical pks are instantiated to handle
> each concurrent client request.
> 
> jim
> 
> ----- Original Message -----
> From: "Bill Burke" <[EMAIL PROTECTED]>
> To: "JBoss-User" <[EMAIL PROTECTED]>
> Sent: Friday, March 09, 2001 11:43 AM
> Subject: [jBoss-User] "readonly" entity beans and transactions/deadlock
> 
> 
>> I'm running JBoss Final-2.0 on Linux, with Oracle and Container Managed
>> Persistence with JAWS.
>> 
>> We have a bunch of global EntityBeans that are "readonly".  By this I
>> mean they are never created or modified.
>> 
>> EntityBeans are locked if they become a part of a transaction, right?  I
>> want to avoid locking these global "readonly" EntityBeans.  Can I do
>> this by declaring their transaction-attributes to be NotSupported?
>> 
>> Thanks in advance,
>> 
>> Bill
>> 
>> 
>> 
>> 
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> 




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