RE: [aspectj-users] Scoping or Weaving problem (???)withLTWin anEARon a

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RE: [aspectj-users] Scoping or Weaving problem (???)withLTWin anEARon a WAR
From: jennie <jenniemai81@xxxxxxxxx>
Date: Fri, 27 Apr 2007 17:40:45 -0700 (PDT)
Delivered-to: aspectj-users@xxxxxxxxxxx
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Hi Matthew,

I had the same exact problem as Macon. I had an
abstract aspect and then defined a concrete-aspect in
the aop.xml, which resulted in IllegalAccessError and
NoAspectBoundException at runtime on WebLogic. I tried
putting the aop.xml at the CLASSPATH level, but that
didn't solve it either. 

Is defining a concrete aspect in code the only work
around right now? 

Thanks,
Jennie



--- Matthew Webster <matthew_webster@xxxxxxxxxx>
wrote:

> Macon,
> 
> >Thanks... this has resolved our issue.  We're now
> using LTW with a 
> concrete 
> >Aspect defined in code.
> Good.
> 
> If you have the time perhaps you could open a bug
> report detailing your 
> setup, the problem you encountered and the
> workaround. This might help 
> others in the future. It will also ensure we don't
> forget about the 
> problem.
> 
> Matthew Webster
> AOSD Project
> Java Technology Centre, MP146
> IBM United Kingdom Limited
> Hursley Park, Winchester,  SO21 2JN, England
> Telephone: +44 196 2816139 (external) 246139
> (internal)
> 
> 
> 
> "Macon Pegram" <mpdisposal@xxxxxxxxxxx> 
> Sent by: aspectj-users-bounces@xxxxxxxxxxx
> 27/03/2007 17:55
> Please respond to
> aspectj-users@xxxxxxxxxxx
> 
> 
> To
> aspectj-users@xxxxxxxxxxx
> cc
> 
> Subject
> RE: [aspectj-users] Scoping or Weaving problem
> (???)withLTWin anEARon   a 
> WAR
> 
> 
> 
> 
> 
> 
> Matt,
> 
> Thanks... this has resolved our issue.  We're now
> using LTW with a 
> concrete 
> Aspect defined in code.
> 
> Macon
> 
> 
> >From: Matthew Webster <matthew_webster@xxxxxxxxxx>
> >Reply-To: aspectj-users@xxxxxxxxxxx
> >To: aspectj-users@xxxxxxxxxxx
> >Subject: RE: [aspectj-users] Scoping or Weaving
> problem 
> >(???)withLTWin          anEARon a WAR
> >Date: Tue, 27 Mar 2007 13:03:58 +0100
> >
> >Macon,
> >
> > >I'm guessing it would go something like this:
> >Correct.
> >
> > >It's that third step "In aop.xml add a concrete
> definition that refers 
> to
> >
> > >the concrete aspect I created in code. " that I'm
> unsure whether I need
> >to
> > >do.
>
>http://www.eclipse.org/aspectj/doc/released/devguide/ltw-configuration.html#configuring-load-time-weaving-with-aopxml-files
> >
> >Matthew Webster
> >AOSD Project
> >Java Technology Centre, MP146
> >IBM United Kingdom Limited
> >Hursley Park, Winchester,  SO21 2JN, England
> >Telephone: +44 196 2816139 (external) 246139
> (internal)
> >
> >
> >
> >"Macon Pegram" <mpdisposal@xxxxxxxxxxx>
> >Sent by: aspectj-users-bounces@xxxxxxxxxxx
> >27/03/2007 11:55
> >Please respond to
> >aspectj-users@xxxxxxxxxxx
> >
> >
> >To
> >aspectj-users@xxxxxxxxxxx
> >cc
> >
> >Subject
> >RE: [aspectj-users] Scoping or Weaving problem
> (???) withLTWin  anEARon a
> >WAR
> >
> >
> >
> >
> >
> >
> >Ok... I get what you're suggesting (and I have
> actually run it with
> >-verbose
> >on, but not -debug in the past).
> >
> >You are correct... we are using an abstract aspect
> that is defined as a
> >concrete through the aop.xml.   I'm not precisely
> sure I understand how 
> to
> >
> >do LTW with the concrete aspect. If you'll indulge
> me for a minute, I'd
> >like
> >to try to explain how I think it should be done,
> and get some 
> confirmation
> >
> >of the approach.
> >
> >I'm guessing it would go something like this:
> >- Jump into Eclipse and extend the abstract aspect
> as a concrete with a
> >well
> >defined pointcut.
> >- In aop.xml remove the abstract-concrete
> definition that it currently
> >has.
> >- In aop.xml add a concrete definition that refers
> to the concrete aspect
> >I
> >created in code.
> >- While I'm there sprinkle in the -debug/-verbose
> options
> >- Fire up the app and see what happens.
> >
> >It's that third step "In aop.xml add a concrete
> definition that refers to
> >the concrete aspect I created in code. " that I'm
> unsure whether I need 
> to
> >
> >do.
> >
> >Thanks for your time and advice on this matter!
> >
> >Macon
> >
> > >From: Matthew Webster
> <matthew_webster@xxxxxxxxxx>
> > >Reply-To: aspectj-users@xxxxxxxxxxx
> > >To: aspectj-users@xxxxxxxxxxx
> > >Subject: RE: [aspectj-users] Scoping or Weaving
> problem (???)
> > >withLTWin               anEARon a WAR
> > >Date: Tue, 27 Mar 2007 09:25:39 +0100
> > >
> > >Macon,
> > >
> > > >Are you suggesting trying "static" weaving?
> > >No. I surmised from you posts that you have
> defined an abstract aspect
> > >somewhere in your EAR and defined a concrete
> sub-aspect in an aop.xml
> >also
> > >somewhere in your EAR e.g.
> > >
> > ><aspectj>
> > >     <aspects>
> > >         <concrete-aspect name="
> > >com.XXX.YYY.governor.aspects.ConcreteGovernor"
> > >            
>
extends="com.XXX.YYY.governor.aspects.AbstractGovernor
> ">
> > >                 <pointcut name="..."
> expression="..."/>
> > >         </concrete-aspect>
> > >     </aspects>
> > ></aspectj>
> > >
> > >Is this correct? If so my suggestion was to
> replace the aop.xml
> >definition
> > >(which results in an aspect and hence a class
> being generated at 
> runtime)
> > >with a concrete aspect defined using code. You
> can still use LTW which
> > >given the complex structure of your application
> seems like the best
> > >approach.
> > >
> > >If possible you might like to define a
> META-INF/aop.xml in the
> >problematic
> > >WAR file that just turns on some extra debug
> information:
> > >
> > ><aspectj>
> > >         <weaver options="-debug -verbose"/>
> > ></aspectj>
> > >
> > >Matthew Webster
> > >AOSD Project
> > >Java Technology Centre, MP146
> > >IBM United Kingdom Limited
> > >Hursley Park, Winchester,  SO21 2JN, England
> > >Telephone: +44 196 2816139 (external) 246139
> (internal)
> > >
> > >
> > >
> > >"Macon Pegram" <mpdisposal@xxxxxxxxxxx>
> > >Sent by: aspectj-users-bounces@xxxxxxxxxxx
> > >26/03/2007 18:10
> > >Please respond to
> > >aspectj-users@xxxxxxxxxxx
> > >
> > >
> > >To
> > >aspectj-users@xxxxxxxxxxx
> > >cc
> > >
> > >Subject
> > >RE: [aspectj-users] Scoping or Weaving problem
> (???) with LTWin anEARon 
> a
> > >WAR
> > >
> > >
> > >
> > >
> > >
> > >
> > >Matthew,
> > >
> > >Are you suggesting trying "static" weaving?  Ron
> Difrango recommended a
> > >similar approach in some side conversations we've
> had.  I'm working on
> > >putting together a test build script right now
> that explodes our EAR 
> and
> > >does the static weaving.  I've created code based
> concrete aspects
> > >(extending the abstract Aspect and providing
> pointcuts).
> > >
> > >I've kind of bought in to the need to do static
> instead of load time
> > >weaving
> > >for my particular application, but I'd still like
> to understand the
> > >obstacle
> > >I've run into.    I've done a little classloader
> research and found the
> > >following:
> > >
> > >Files in .WAR are loaded by a classloader 1 level
> deeper than those 
> that
> > >are
> > >at the EAR level (which I expected).
> > >
> > >Here's the dump (Each * represents the number of
> classloader layers 
> that
> > >would need to be traversed to reach it):
> > >
> > >EAR Level class
> > >---------------------
> > >*
>
weblogic.utils.classloaders.GenericClassLoader@25b8af2(
> finder:
> >
>
>weblogic.utils.classloaders.CodeGenClassFinder@25b8b65,
> annotation:
> > >simpleportal@, parent:
> >
>
>weblogic.utils.classloaders.GenericClassLoader@1b4d2ad(
> finder:
> >
>
>weblogic.utils.classloaders.CodeGenClassFinder@1b4d320,
> annotation:
> > >ApplicationClassLoader@, parent:
> >
>
>weblogic.utils.classloaders.GenericClassLoader@17cce51(
> finder:
> >
>
>weblogic.utils.classloaders.CodeGenClassFinder@17cd88e,
> annotation: 
> null,
> > >parent:
> sun.misc.Launcher$AppClassLoader@1d05a1)))
> > >
> > >**
>
weblogic.utils.classloaders.GenericClassLoader@1b4d2ad(
> finder:
> >
>
>weblogic.utils.classloaders.CodeGenClassFinder@1b4d320,
> annotation:
> > >ApplicationClassLoader@, parent:
> >
>
>weblogic.utils.classloaders.GenericClassLoader@17cce51(
> finder:
> >
>
>weblogic.utils.classloaders.CodeGenClassFinder@17cd88e,
> annotation: 
> null,
> > >parent: sun.misc.Launcher$AppClassLoader@1d05a1))
> > >
> > >***
>
weblogic.utils.classloaders.GenericClassLoader@17cce51(
> finder:
> >
>
>weblogic.utils.classloaders.CodeGenClassFinder@17cd88e,
> annotation: 
> null,
> > >parent: sun.misc.Launcher$AppClassLoader@1d05a1)
> > >
> > >**** sun.misc.Launcher$AppClassLoader@1d05a1
> > >
> > >***** sun.misc.Launcher$ExtClassLoader@1ce2ad
> > >
> > >WAR Level class
> > >-------------------
> > >*
>
weblogic.utils.classloaders.GenericClassLoader@266e282(
> finder:
> >
>
>weblogic.utils.classloaders.CodeGenClassFinder@266e309,
> annotation:
> > >simpleportal@1_0, parent:
> >
>
>weblogic.utils.classloaders.GenericClassLoader@25b8af2(
>  finder:
> >
>
>weblogic.utils.classloaders.CodeGenClassFinder@25b8b65,
> annotation:
> > >simpleportal@, parent:
> >
>
>weblogic.utils.classloaders.GenericClassLoader@1b4d2ad(
> finder:
> >
>
>weblogic.utils.classloaders.CodeGenClassFinder@1b4d320,
> annotation:
> > >ApplicationClassLoader@, parent:
> >
>
>weblogic.utils.classloaders.GenericClassLoader@17cce51(
> finder:
> >
>
>weblogic.utils.classloaders.CodeGenClassFinder@17cd88e,
> annotation: 
> null,
> > >parent:
> sun.misc.Launcher$AppClassLoader@1d05a1))))
> > >
> > >**
>
weblogic.utils.classloaders.GenericClassLoader@25b8af2(
> finder:
> >
>
>weblogic.utils.classloaders.CodeGenClassFinder@25b8b65,
> annotation:
> > >simpleportal@, parent:
> >
>
>weblogic.utils.classloaders.GenericClassLoader@1b4d2ad(
> finder:
> >
>
>weblogic.utils.classloaders.CodeGenClassFinder@1b4d320,
> annotation:
> > >ApplicationClassLoader@, parent:
> >
>
>weblogic.utils.classloaders.GenericClassLoader@17cce51(
> finder:
> >
>
>weblogic.utils.classloaders.CodeGenClassFinder@17cd88e,
> annotation: 
> null,
> > >parent:
> sun.misc.Launcher$AppClassLoader@1d05a1)))
> > >
> > >***
>
weblogic.utils.classloaders.GenericClassLoader@1b4d2ad(
> finder:
> >
>
>weblogic.utils.classloaders.CodeGenClassFinder@1b4d320,
> annotation:
> > >ApplicationClassLoader@, parent:
> >
>
>weblogic.utils.classloaders.GenericClassLoader@17cce51(
> finder:
> >
>
>weblogic.utils.classloaders.CodeGenClassFinder@17cd88e,
> annotation: 
> null,
> > >parent: sun.misc.Launcher$AppClassLoader@1d05a1))
> > >
> > >****
>
weblogic.utils.classloaders.GenericClassLoader@17cce51(
> finder:
> >
>
>weblogic.utils.classloaders.CodeGenClassFinder@17cd88e,
> annotation: 
> null,
> > >parent: sun.misc.Launcher$AppClassLoader@1d05a1)
> > >
> > >***** sun.misc.Launcher$AppClassLoader@1d05a1
> > >
> > >****** sun.misc.Launcher$ExtClassLoader@1ce2ad
> > >
> > >Any thoughts on an explanation?
> > >
> > >Macon
> > >
> > > >From: Matthew Webster
> <matthew_webster@xxxxxxxxxx>
> > > >Reply-To: aspectj-users@xxxxxxxxxxx
> > > >To: aspectj-users@xxxxxxxxxxx
> > > >Subject: RE: [aspectj-users] Scoping or Weaving
> problem (???) with
> > > >LTWin           anEARon a WAR
> > > >Date: Mon, 26 Mar 2007 08:49:08 +0100
> > > >
> > > >Macon,
> > > >
> > > >This might be a problem with the
> <concrete-aspect> feature of 
> aop.xml.
> > > >Could you try defining your aspect using code
> instead?
> > > >
> > > >Matthew Webster
> > > >AOSD Project
> > > >Java Technology Centre, MP146
> > > >IBM United Kingdom Limited
> > > >Hursley Park, Winchester,  SO21 2JN, England
> > > >Telephone: +44 196 2816139 (external) 246139
> (internal)
> > > >
> > > >
> > > >
> > > >"Macon Pegram" <mpdisposal@xxxxxxxxxxx>
> > > >Sent by: aspectj-users-bounces@xxxxxxxxxxx
> > > >22/03/2007 18:02
> > > >Please respond to
> > > >aspectj-users@xxxxxxxxxxx
> > > >
> > > >
> > > >To
> > > >aspectj-users@xxxxxxxxxxx
> > > >cc
> > > >
> > > >Subject
> > > >RE: [aspectj-users] Scoping or Weaving problem
> (???) with LTW in
> >anEARon
> > >a
> > > >WAR
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >Ron,
> > > >
> > > >I realized shortly after posting the question
> that I had left some
> > >details
> > > >
> > > >out.
> > > >
> > > >The JAR containing the aspect is actually at
> the EAR level.  The
> > > >exceptions
> > > >from the original posting actually occurred
> with that configuration.
> > > >
> > > >I've tried putting it at both the EAR and the
> WAR level  and it 
> balked
> > > >about
> > > >having 2 copies of the Concrete aspect.   There
> is a possible (but
> >nasty)
> > > >solution where I could create 2 variations of
> the aspect jar with
> > > >different
> > > >concrete definitions in aop.xml.
> > > >
> > > >I have not tried putting it at the container
> level yet.  Again, an
> > > >approach
> > > >I'd prefer to avoid if possible, but I'm not
> completely adverse to 
> it.
> > > >
> > > >Right now I'm trying to get an understanding of
> why this is happening
> >and
> > > >that may illuminate the way to a solution.
> > > >
> > > >Macon
> > > >
> > >
>
>_________________________________________________________________
> > > >5.5%* 30 year fixed mortgage rate. Good credit
> refinance. Up to 5 
> free
> > > >quotes - *Terms
> > >
> > 
>
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> > > >
> > > >
> > > >_______________________________________________
> > > >aspectj-users mailing list
> > > >aspectj-users@xxxxxxxxxxx
> > >
>
>https://dev.eclipse.org/mailman/listinfo/aspectj-users
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >Unless stated otherwise above:
> > > >IBM United Kingdom Limited - Registered in
> England and Wales with
> >number
> > > >741598.
> > > >Registered office: PO Box 41, North Harbour,
> Portsmouth, Hampshire 
> PO6
> > >3AU
> > > >
> > > >
> > > >
> > > >
> > > >
> > >
> > >
> > > >_______________________________________________
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> > >
>
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> > >
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> >
>
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> > >
> > >Unless stated otherwise above:
> > >IBM United Kingdom Limited - Registered in
> England and Wales with 
> number
> > >741598.
> > >Registered office: PO Box 41, North Harbour,
> Portsmouth, Hampshire PO6
> >3AU
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> > >
> > >
> > >
> >
> >
> > >_______________________________________________
> > >aspectj-users mailing list
> > >aspectj-users@xxxxxxxxxxx
> >
>
>https://dev.eclipse.org/mailman/listinfo/aspectj-users
> >
>
>_________________________________________________________________
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