Hi Pavel,
At the AOSD.06 conference, I presented on
how we’re using AspectJ to monitor user input, handle UI macros and track
exceptions for diagnostic tools that are widely used at DaimlerChysler (there
are thousands of these tools in use). You can see other presentations about
industry use from this year at http://www.aosd.net/2006/archive/AOSD06%20-%20Industry%20Track%20Proceedings.pdf
Rob Harrop also presented some interesting examples of Spring users using
AspectJ at different stages of maturity, including production use. It’s also
worth noting that the popular Spring Framework is also distributing AspectJ
aspects in Spring 2.0. The AOSD.05 conference also contained some great
examples: http://www.aosd.net/2005/industry/index.php
I have also been working with the Glassbox
team to create troubleshooting and performance monitoring tools using AspectJ (and
JMX) that run in large-scale production Java EE environments.
You might notice that WebSphere 6.0
actually ships with aspectjrt.jar, so in fact many WebSphere users are using
AspectJ. Adrian and Andy wrote a paper in 2004 http://aspectprogrammer.org/modules/sections/index.php?op=viewarticle&artid=18
describing work that led to this. If you look back at the archives, this is a
FAQ and many users have in past posted testimonials to this very question, many
of them in a Java EE environment.
Ron
p.s. this is a question that should go to
aspectj-users, not aspectj-dev, so I’ve cc’d aspectj-users.
From:
aspectj-dev-bounces@xxxxxxxxxxx [mailto:aspectj-dev-bounces@xxxxxxxxxxx] On Behalf Of Pavel Tavoda
Sent: Tuesday, April 04, 2006
10:36 AM
To: aspectj-dev@xxxxxxxxxxx
Subject: Re: [aspectj-dev] AspectJ
1.5.1 is now available
Thank you and congratulation to whole team.
Some short questions:
Is somebody using AspectJ (any version) in production system (1000+ users)?
Is somebody using it inside J2EE server (more specific weblogic/websphere)?
Is somebody using AspectJ for wrapping around compiled JSPs (exception
handling)?
Is Eclipse CME (Concern Manipulation Environment) dead horse?
TNX
Pavel
On Tue, 2006-04-04 at 17:09 +0100, Adrian Colyer wrote:
We're
delighted to say that AspectJ 1.5.1 is now available from the download page:
http://www.eclipse.org/aspectj/downloads.php
This release is primarily a bug fix
and performance / memory usage release. Over 70 fixes and enhancements have
been incorporated since 1.5.0, you can see the list through this bugzilla
query:
https://bugs.eclipse.org/bugs/buglist.cgi?query_format=advanced&product=AspectJ&target_milestone=1.5.1&bug_status=RESOLVED&bug_status=VERIFIED&bug_status=CLOSED
AspectJ 1.5.1 has significantly
lower memory usage than AspectJ 1.5.0, especially when building inside of AJDT.
The improvements are also noticeable when batch building with Ant, or when
load-time weaving. Batch building a project with over 1000 source files with
both AspectJ 1.5.1 and AspectJ 1.5.0 shows a 16% reduction in peak memory
usage, and an 8% reduction in heap consumed by temporary objects. The AspectJ
1.5.1 compiler integrated into AJDT gives memory savings of at least 50%. The
greater savings in the AJDT environment are due to improvements in areas such
as structure model generation that are not exercised in a batch build.
An AJDT release incorporating
AspectJ 1.5.1 will be available shortly.
We're grateful to all the users
that submitted bug reports and patches for this release, and for helping
us to diagnose problems. In particular we'd like to thank Ron Bodkin and Helen
Hawkins for their contributions and patches that have been integrated in this
release.
We plan to continue working in the
1.5 stream on quality, performance, and memory usage improvements leading to a
1.5.2 release later this year. AspectJ 5 was a big step forward and we want to
consolidate and give you the best experience possible when using AspectJ and
the associated tools before we undertake any major new enhancements.
Thanks and stay in touch
-- The AspectJ Team.
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