The LTW problem in tomcat was indeed a classloader problem. When I located the aspects in the tomcat lib the problem was solved Thanks Andy,
Yaron On Sat, Aug 22, 2009 at 2:54 PM, <[email protected]> wrote: > Send aspectj-users mailing list submissions to > [email protected] > > To subscribe or unsubscribe via the World Wide Web, visit > https://dev.eclipse.org/mailman/listinfo/aspectj-users > or, via email, send a message with subject or body 'help' to > [email protected] > > You can reach the person managing the list at > [email protected] > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of aspectj-users digest..." > > > Today's Topics: > > 1. Re: Problem with load-time weaving (Andy Clement) > 2. Re: LTW Problem with Tomcat 6 (Andy Clement) > 3. Generic aspect inter-type declaration - possible or > limitation of aspectj? (Andreas Holst) > 4. Re: Intertype declaration , parameterized generic HashSet > does not work (Andreas M?ller Holst) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Fri, 21 Aug 2009 09:12:17 -0700 > From: Andy Clement <[email protected]> > Subject: Re: [aspectj-users] Problem with load-time weaving > To: [email protected] > Message-ID: > <[email protected]> > Content-Type: text/plain; charset="iso-8859-1" > > Hi Nikolas, > > When setting up a project dependency like that. If you have an inpath > dependency then code on that path will be woven and put into the output > directory of the project expressing the dependency. If you have an > aspectpath dependency then that is merely acting as a place to source > aspects from, the code on that path is not woven and copied to the output > directory of the project expressing the dependency. Maybe that description > will help you understand what is wrong? > > On your specific description: > > > If I add my testapp project to the inpath (of the debugger project), > weaving doesn't work. > > That should work. The debugger aspect will weave into the code coming in > from the classpath *and put the woven code in the output folder of the > DEBUGGER project*. Maybe this latter clause is describing the problem - > the > woven code is now in the debugger project, it is not in the testapp > project. > > > If I add the debugger project to the aspectpath of testapp, the weaving > works. > > Here the debugger aspect is applied to the code in testapp, and the woven > code is in the output folder of the testapp project. > > So the difference is that if using the inpath, you need to 'run' the > debugger project as that is where the woven application will be. > > cheers, > Andy > > 2009/8/21 Nikolas Nehmer <[email protected]> > > > Hi, > > > > the main problem seems to be the inpath setting. If I add my testapp > > project to the inpath (of the debugger project), weaving doesn't work. If > I > > add the debugger project to the aspectpath of testapp, the weaving works. > > Shouldn't it work in both ways? Any suggestions? > > > > Best Nikolas > > > > Nikolas Nehmer schrieb: > > > > Hi, > >> > >> recently I changed my complete setting and you're right, currently no > >> aspects are woven at all during runtime. I'm using ajdt in eclispe > buildind > >> a load-time weaving configuration. Obviously it doesn't work :-( Of > course, > >> there is an aop-ajc.xml file present that includes the aspect I'm trying > to > >> weave. The small example illustrated on the AJDT demo page works > perfectly. > >> Currently I have no clue why the weaver doesn't work in my setting. > >> > >> Just to give you an impression, a short description of my setup. I'm > >> building a debugger application startin a test application in a debug vm > - > >> both sperated in 2 Eclipse projects. Basically, the test app running in > >> debugging mode should be aspectized (maybe this is the source of the > problem > >> as they are running in 2 different vms?). The aspect itself is part of > the > >> debugger project. > >> > >> Any suggestions? > >> > >> Best Nikolas > >> > >> Andrew Eisenberg schrieb: > >> > >>> A few questions: > >>> > >>> 1. Have you created a correct aop,xml and is it being used at runtime? > >>> 2. Is this aspect included in your aop.xml? > >>> 3. Are you running with the correct java agent? > >>> 4. Are any aspects being woven at runtime, or are you having a problem > >>> just with this aspect? > >>> > >>> Maybe answering these questions will help solve your problem. > >>> > >>> --a > >>> > >>> On Wed, Aug 19, 2009 at 9:08 AM, Nikolas > >>> Nehmer<[email protected]> wrote: > >>> > >>> > >>>> Hi there, > >>>> > >>>> currently I have a problem with AJDT's load-time weaving capability. > >>>> Unforntunately the following pointcut is not applied: > >>>> > >>>> pointcut mainMethodCall() : execution(static void main(String [])) && > >>>> !within(TestAspect) && !within(setup..*); > >>>> > >>>> For compile-time weaving the same aspect works out. Any ideas? > >>>> > >>>> Best Nikolas > >>>> _______________________________________________ > >>>> aspectj-users mailing list > >>>> [email protected] > >>>> https://dev.eclipse.org/mailman/listinfo/aspectj-users > >>>> > >>>> > >>>> > >>> _______________________________________________ > >>> aspectj-users mailing list > >>> [email protected] > >>> https://dev.eclipse.org/mailman/listinfo/aspectj-users > >>> > >>> > >> > >> > >> > > > > -- > > Dipl.-Inf. Nikolas Nehmer, > > Dept. of Computer Science. University of Kaiserslautern P.O. Box 3049, > > 67653 Kaiserslautern, Germany. > > room 36/308, phone: +49 (0) 631 - 205 2644, fax: +49 (0) 631 - 205 3299 > > mail: [email protected] > > > > _______________________________________________ > > aspectj-users mailing list > > [email protected] > > https://dev.eclipse.org/mailman/listinfo/aspectj-users > > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > https://dev.eclipse.org/mailman/private/aspectj-users/attachments/20090821/7e449b69/attachment.html > > ------------------------------ > > Message: 2 > Date: Fri, 21 Aug 2009 14:32:34 -0700 > From: Andy Clement <[email protected]> > Subject: Re: [aspectj-users] LTW Problem with Tomcat 6 > To: [email protected] > Message-ID: > <[email protected]> > Content-Type: text/plain; charset="iso-8859-1" > > Hey, > > I'm surprised you haven't had a reply on this as I know users do have this > kind of configuration running. > > I'd be expecting the ServletException to be loaded by a classloader higher > up the hierarchy than that used to load and run the application. I presume > you are just weaving the application and nothing unusual like javax.* > types? > > Andy > > 2009/8/19 yaron <[email protected]> > > > Hi, > > > > I posted a note yesterday about LTW with Tomcat > > > > The problem only happens with JSPs that are not precompiled > > > > ava.lang.ClassNotFoundException: javax.servlet.ServletException > > at java.net.URLClassLoader$1.run(URLClassLoader.java:200) > > at java.security.AccessController.doPrivileged(Native Method) > > at java.net.URLClassLoader.findClass(URLClassLoader.java:188) > > at java.lang.ClassLoader.loadClass(ClassLoader.java:307) > > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) > > at java.lang.ClassLoader.loadClass(ClassLoader.java:252) > > at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320) > > at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:212) > > at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) > > > > maybe this information can shed more light about the class loader problem > > thanks > > Yaron > > > > _______________________________________________ > > aspectj-users mailing list > > [email protected] > > https://dev.eclipse.org/mailman/listinfo/aspectj-users > > > > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > https://dev.eclipse.org/mailman/private/aspectj-users/attachments/20090821/131b181f/attachment.html > > ------------------------------ > > Message: 3 > Date: Sat, 22 Aug 2009 03:10:29 +0200 > From: Andreas Holst <[email protected]> > Subject: [aspectj-users] Generic aspect inter-type declaration - > possible or limitation of aspectj? > To: [email protected] > Message-ID: > <[email protected]> > Content-Type: text/plain; charset=ISO-8859-1 > > Hi everybody (...hi doctor Nick :) > > Im trying to make an aspect which will introduce some members into a class. > > I have the classes Person and Course. > public > > class Course {} > public class Person {} > > My idea is to introduce a HashSet of type Person into the class Course. > I can succesfully achieve this with the following aspect: > > public aspect BoundAspect { > public HashSet<Person> Course.genericHash = new HashSet<Person>(); > public void Course.newMethod(Person per) > {genericHash.add(per);} > } > > Now. I want to make this a tiny bit more general. Instead of only > being able to introduce a HashSet of type Person as well as a method > that works on type Person, I want a solution that can be > parameterized. I have tried the follwoing - notice that the aspect > must now be abstract, hence I have added the aspect ConcreteAspect > which extends AbstractGenericAspect > > public abstract aspect AbstracGenericAspect<TO> { > public HashSet<TO> Course.genericHash = new HashSet<TO>(); > public void Course.newMethod(TO to) > {genericHash.add(to);} // here I receive the error: The method > add(TO) in the type HashSet<TO> is not applicable for the arguments > (TO) > public > > aspect ConcreteAspect extends AbstracGenericAspect<Person> {} > !! Notice the error: /The method add(TO) in the type HashSet<TO> is > not applicable for the arguments (TO)/. This does not make sense to > me. Am I doing something wrong or is this a limitation of AspectJ? > > Have a nice weekend / Andreas > > > ------------------------------ > > Message: 4 > Date: Sat, 22 Aug 2009 13:53:41 +0200 > From: Andreas M?ller Holst <[email protected]> > Subject: Re: [aspectj-users] Intertype declaration , parameterized > generic HashSet does not work > To: "[email protected]" <[email protected]> > Message-ID: <[email protected]> > Content-Type: text/plain; charset="utf-8" > > Hi Andy > > Thank you for your reply. I have simplified and reprashed the > question, hoping for an answer. If not i'll register a bug. > > Thanks / Andreas > > > > On 11/08/2009, at 23.17, Andy Clement <[email protected]> wrote: > > > Hi, > > > > seems like a generics aspects bug, although maybe a limitation. > > That is a pretty sophisticated aspect and I'd need to spend some > > time with pen and paper working out if what you are trying to do is > > (a) possible (b) supported. I would raise an AspectJ bug for > > clarification of this. > > > > Andy > > > > 2009/8/9 Andreas Møller Holst <[email protected]> > > Hi > > > > Im new to AOP and AspectJ. Currently Im studying an aspect oriented > > library to support associations as cross cutting concerns. > > > > In this library I have an aspect /SimpleStaticRel/ that alters the > > type hirarchy and introduce new members to the formal type > > parameters /FROM/ and /TO/. > > Below I present a snippet of the original implementation which is > > relevant to my question. > > > > #1: > > > > If I declare /final private HashSet<TO> Fwd.fwd = new HashSet<TO> > > ();/ I get the follwoing compile error: The method add(TO) in the > > type HashSet<TO> is not applicable for the arguments (TO) > > forward.fwd.add(_t); > > #2: > > > > Here I have made a test which shows me that its possible to > > parameterize a HashSet with generic type /FROM/. This HashSet is a > > member of the aspect and is not introduced as a member of FROM. > > Why is it ok to parameterize in this situation? > > > > ----------------------------- ----------------------------- > > ----------------------------- ----------------------------- > > ----------------------------- > > > > import java.util.*; > > > > public abstract aspect SimpleStaticRel <FROM,TO>{ > > > > public static interface Fwd {} > > > > //public static interface Bwd {} > > > > declare parents : FROM implements Fwd; > > > > // #1 > > final private HashSet<TO> Fwd.fwd = new HashSet<TO>(); > > //final private HashSet Fwd.fwd = new HashSet(); > > > > // #2 > > private HashSet<TO> myHash = new HashSet<TO>(); > > > > public boolean add(FROM _f, TO _t) { > > myHash.add(_t); > > return true; > > } > > > > public boolean andreasAdd(FROM _f, TO _t) { > > Fwd forward = (Fwd) _f; > > forward.fwd.add(_t); > > > > return true; > > } > > > > } > > > > Thank you / dres > > > > > > > > _______________________________________________ > > aspectj-users mailing list > > [email protected] > > https://dev.eclipse.org/mailman/listinfo/aspectj-users > > > > > > _______________________________________________ > > aspectj-users mailing list > > [email protected] > > https://dev.eclipse.org/mailman/listinfo/aspectj-users > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > https://dev.eclipse.org/mailman/private/aspectj-users/attachments/20090822/0af79b16/attachment.html > > ------------------------------ > > _______________________________________________ > aspectj-users mailing list > [email protected] > https://dev.eclipse.org/mailman/listinfo/aspectj-users > > > End of aspectj-users Digest, Vol 54, Issue 24 > ********************************************* >
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