Folks,
hopefully being not too much off-topic with this here: In a part of our
system, I use a remote DAO exposed by an xfire web service in order to
fetch User entities from a database backend. This indeed is "just" a
Spring-built DAO accessed via Spring-Remoting across XFire providing the
"common" DAO functionality. Here's the situation:
* Generally, this works fine (and at impressing speed, by the way -
great work guys!). A remote call "getUserById(String uid)" works well
all the time.
* There is a "getUserByEMail(String eMail)" method, as well, given the
e-mail is unique to each user. This one works well locally on the
"server" (while running unit-tests, for example), but it does not work
across remoting.
This behaviour seems to be particularly disturbing. Unit-tests work out
well, the requested information also is in the database, and the XFire
service is accessible from the remote host. For what I can see in my log
files, the information (e-mail address) is correctly transmitted, and
still it doesn't work - the SQL query that works locally does bail out
with an EmptyResultSetException while being invoked across XFire remoting?
I am aware that this so far is rather "fuzzy", but I do not have any
clue anymore how to track down this error. Can anyone provide me with
some pointers where to look? The xfire service runs inside a tomcat
5.5.20 container (atop Ubuntu Linux 6.06, JDK 1.6, Spring 2.0). What
other information would be relevant in order to get this solved?
TIA and bye,
Kristian
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