Re: [ajdt-dev] Problem when weaving aspects boxed in a jar file

[PESSEMIER Nicolas <Nicolas.Pessemier@xxxxxxx>]

You are right it was a version problem! My example is wrong, actually,
I did use a 
ant.file to make the jar and It was a different version of AspectJ. I
should have think 
of this before!

Thanks again,
Nicolas

> This problem occurs if the compiler sees an 'old' format version of
an
> aspect.  Are you *definetly* using the same version of AspectJ/AJDT
> when going through this sequence?
> 
> Normally it occurs because some aspect has been built with compiler
> version 'A' and then binary weaving is attempted (eg. using aspect
> path) with compiler version 'B' - because 'A' wrote out the pointcut
> attribute in an older style, compiler 'B' chokes on it when it sees
> it.  This is happening a lot lately because we are working on Java5
> language features which are causing us to constantly change the
format
> of the attributes - there is no guarantee that two dev builds of
> AspectJ5 will be compatible.  The only thing we are trying to
> guarantee right now is that the final version of AspectJ5 will be
able
> to understand AspectJ 1.2.1 built code.
> 
> Andy.
> ---
> Andy Clement
> AspectJ Dev.
> 
> 
> On 05/08/05, PESSEMIER Nicolas <Nicolas.Pessemier@xxxxxxx> wrote:
> > Hi everyone,
> > 
> > I'm encountering the following exception when I'm trying to use
> > AspectJ aspects
> > contained in a jar:
> > 
> > BCException thrown: malformed
org.aspectj.weaver.PointcutDeclaration
> > attribute
> > java.io.EOFException
> > 
> > I'll explain the problem with a simple 2 projects example.
> > In the first eclipse project I write a Trace.aj aspect (very
simple
> > around advice
> > code).
> > 
> > public aspect Trace {
> >     pointcut toBeTraced():
> >         execution( void *.*());
> > 
> >     void around():toBeTraced(){
> >         System.out.println("before method call
> > "+thisJoinPoint.getSignature());
> >         proceed();
> >         System.out.println("after method call
> > "+thisJoinPoint.getSignature());
> >     }
> > }
> > 
> > I compile this aspect with the reweavable option, and I make a jar
> > with this file:
> > trace.jar
> > Then, I have a second eclipse project with a Test.java class such
as
> > the following
> > one:
> > 
> > public class MyClass {
> > 
> >     public void run() {
> >         System.out.println(this.getClass().getName()+".run()
:-)");
> >     }
> >     public static void main(String[] args) {
> >         new MyClass().run();
> >     }
> > }
> > 
> > Then, I set the "AspectJ Aspect Path" with the trace.aj file (on
the
> > 2nd project
> > properties), and the exception is thrown.
> > 
> > Note that I do not have this problem if I'm using Eclipse 3.0 with
the
> > first version of
> > the ajdt plugin.
> > The problem arises when I'm using Eclipse 3.0 or Eclipse 3.1 with
the
> > ajdt plugin
> > version >1.2.
> > 
> > The problem is not an AspectJ problem because if I'm doing the
same
> > procedure
> > with an ant file, the weaving is working well.
> > 
> > any idea? maybe a bug in ajdt? I'm not sure.
> > 
> > Regards,
> > Nicolas
> > 
> > _______________________________________________
> > ajdt-dev mailing list
> > ajdt-dev@xxxxxxxxxxx
> > https://dev.eclipse.org/mailman/listinfo/ajdt-dev
> >
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