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From: Andreas Joseph Krogh <andreak@officenet.no>
Organization: OfficeNet AS
To: dev@struts.apache.org
Subject: Properties not getting @Injected in custom-converter
Date: Tue, 20 Apr 2010 21:35:07 +0200
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Message-Id: <201004202135.07975.andreak@officenet.no>

Hi.

Environment:

$ uname -a
Linux prod2 2.6.20-17-server #2 SMP Thu Jul 10 00:12:43 UTC 2008 i686 GNU/L=
inux

$ java -version
java version "1.6.0_19"
Java(TM) SE Runtime Environment (build 1.6.0_19-b04)
Java HotSpot(TM) Client VM (build 16.2-b04, mixed mode, sharing)

apache-tomcat-6.0.26

I'm using Struts-2.1.8.1 and have a custom converter for java.util.List reg=
istered in xwork-conversion.properties:

java.util.List=3Dno.officenet.origo.frontend.converter.ListConverter


This converter extends XWorkBasicConverter and on our production-server we =
experience that all properties being injected by the setters having the @In=
ject annotation are null, resulting in lots of NPEs at runtime. We don't kn=
ow if the setters are called with a <null> argument or if they're not calle=
d at all. The strange thing is that it works if we turn on debugging (./cat=
alina jpda start). It also works on all our development-machines (Intel cor=
e2 duo), laptops, while the production-server is a dual Xeon machine. I hav=
e no clue why this is happening and the logs show nothing. There is very mi=
nimal logging in ContainerImpl and related xwork-classes.

Anybody have a suggestion on where to go from here?

=2D-=20
Andreas Joseph Krogh <andreak@officenet.no>
Senior Software Developer / CTO
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