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Re: [aspectj-dev] trouble with load-time weaving
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How did you configure the project(s) in this case?
I just tried it out with Boy/Girl/Kissable/Main in one project, and the Teacher aspect in a separate project that depends on it. Then I created a new "AspectJ Load-Time Weaving Application" to run Main, went to the LTW Aspectpath tab and added the project with the Teacher aspect to the aspectpath entries. This setup worked fine for me.
Btw., a more recent description of load-time weaving capabilities in AspectJ 5 can be found here:
http://www.aspectprogrammer.org/blogs/adrian/2006/02/a_practical_gui_2.html
.
Regards, Adrian.
On 23/03/06, Ducky Sherwood <ducky@xxxxxxxxxxx> wrote:
I'm having major trouble geting load-time weaving to work in Eclipse.
I lifted a simple example from
http://www.aspectprogrammer.org/blogs/adrian/2004/05/loadtime_weavin.html
Boy/Girl/Kissable/Main with aspect Teacher.
If I run with load time weaving, I get a bunch of errors, a subset of which I included at the end of this message.
The most puzzling thing is that it tells me that classes were already
woven and were not built in reweavable mode, but if I put -Xreweavable
into the <project> -> Properties -> AspectJ -> Non
standard compiler options field, I get a message that -Xreweavable is
turned on by default.
Any ideas on what I could be do to make the errors go away?
I am using Java 5 (compiler compliance level set to 5 in the workspace configuration).
I have
-javaagent:<my path to>/aspectjweaver.jar
set in the <run> -> Arguments -> VM arguments field.
I am running on Linux, kernel
2.6.11-kanotix-7
I am running Eclipse 3.1.2.
I have AspectJ 1.5. aspectjrt.jar is on my CLASSPATH.
A small subset of the error messages:
java.lang.ClassCircularityError: org/aspectj/weaver/UnresolvedType
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:620
...
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
error at Boy.java::0 class 'Boy' is already woven and has not been built in reweavable mode
abort trouble in:
public class Boy extends java.lang.Object implements Kissable:
public void <init>():
ALOAD_0 // Boy this (line 4)
INVOKESPECIAL java.lang.Object.<init> ()V
RETURN
end public void <init>()
public void kiss() org.aspectj.weaver.MethodDeclarationLineNumber: 5:58
:
GETSTATIC java.lang.System.out Ljava/io/PrintStream; (line
6)
LDC "wahay!"
INVOKEVIRTUAL java.io.PrintStream.println (Ljava/lang/String;)V
GOTO L0 (line 7)
L0: INVOKESTATIC Teacher.aspectOf ()LTeacher;
INVOKEVIRTUAL Teacher.ajc$afterReturning$Teacher$1$ac0a1a5a ()V
RETURN
end public void kiss()
end public class Boy
(end error message output)
--
Ducky Sherwood
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--
-- Adrian
adrian.colyer@xxxxxxxxx