|In the source for the beans cdejb for com.web_tomorrow.cd, I can see a
|number of alarming statements concerning JAWS in notes.txt:
it was written 6 month ago.
Can someone update the documentation before we get more "it's the end of the
world" messages from newbies?
marc
|(By the way, the deployment of this example is rather smooth and requires
|very little tweaking. You just have to adjust the classpath for the
|compilation and for executing the clientapps, which, in my case, made wrong
|assumptions about the location of ejb.jar and jboss-client.jar.)
|
|(1) " if you add a CMP field to a class after it has been deployed, you can
|expect
|problems. Merely restarting the server won't be enough: you may have to
|re-install it. If you are running a number of projects on the same server
|this
|is going to be very inconvient."
|
|(2) "Although hot deployment works well, if an error occurs during
|deployment it is
|possible that you will need to restart the jBoss server. This is
|particularly
|noticeable with `NoClassDefFound' errors; these arise if you package a Bean
|without the supporting classes it needs."
|
|(3) "jBoss CMP does field updating by recording the existing field values,
|deleting
|the row of the database, then writing the new row with the new values. This
|means that if you create an object and set its ten (say) attributes, this
|will
|translate into at least 21 whole-row operations!"
|
|(4) "The jBoss database is persistent, in that its data is retained even
|when the
|server is stopped. However, its persistence is managed in an odd way, by
|writing out a script of SQL commands that will re-build the database. This
|file
|cann become extremely large. It's not obvious that this is a good way to do
|this."
|
|Have these, rather serious issues, already been addressed, or are
|they still
|present in the 2.0-FINAL release?
|
|
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