Marius Kotsbak wrote:

> I remember from using jboss 2.4.x, that manual changes in the DB would 
> take some time to be reflected from CMP-beans (no new data even in a new 
> transaction after the change), probably because jboss was caching the 
> data, and not writing it to the DB at the same time the set-method was 
> called. 


No, it was because JBoss 2.4 used commit option A by default and in 
JBoss 3.0 we switched to B.  If you want to know about commit options 
read the EJB spec.

> With jboss 3.x, I don't see this behavior. What has happened, 
> what is the difference? Is there no write-cache now? Does it save one 
> and one property of the beans?


What?  Writes are delayed until the end of the transaction, if that is 
what you mean, but that is not really a cache.


> There should be a doc of the CMP-engine to answer these FAQs, at least a 
> updated description of the settings in the DTD (the comments there 
> doesn't explain it very well)


I am literally writing this chapter right now in another window.

-dain




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