[Jboss-dev-forums] [Design of AOP on JBoss (Aspects/JBoss)] - Re: Problem with aop 1.3

[robert.schwegler <nu...@jb...>]

It took me many many hours and finally here is the right hint! I'm using JDK5, aop1.3 and 4.0.3RC1.

Now as I'm using AspectManagerServiceJDK50, I see much more information in the log, but I'm looking for an example with the JBoss Server. Are there any tricks with the class-loader? I wrote an XMBean and deployed it in a sar-directory:

package xmbeanprimer;
  | import xmbeanprimer.Traceable;
  | import xmbeanprimer.Billable;
  | public class Greeter {
  |     private int greetingsSent = 0;
  |     @Billable
  |     public String hello() {
  |         this.setGreetingsSent(this.greetingsSent+1);
  |         return "Hello World (" + this.greetingsSent + ")!";
  |     }
  |     public int getGreetingsSent() {
  |         return this.greetingsSent;
  |     }
  |     public void setGreetingsSent(int c) {
  |         this.greetingsSent = c;
  |     }
  | }

 I wrote an aspect and put it in a jar called: adp.aop with an advice:
...
  |     @Bind (pointcut="execution(java.lang.String xmbeanprimer.Greeter->@Billable(
  | ))")
  |     public Object methodAdvice(MethodInvocation invocation) throws Throwable {
  | ...

My BillingAdvice got deployed:
22:47:52,119 INFO  [STDOUT] [debug] Looking for aspects in: adp.BillingAdvice
  | 22:47:52,139 INFO  [STDOUT] [debug] Found @Aspect in: adp.BillingAdvice
  | 22:47:52,249 INFO  [STDOUT] [trying to transform] $Proxy54
  | 22:47:52,249 INFO  [STDOUT] [debug] There are no caller pointcuts!
  | 22:47:52,259 INFO  [STDOUT] [debug] was $Proxy54 converted: false
  | 22:47:52,419 INFO  [STDOUT] [trying to transform] $Proxy55
  | 22:47:52,419 INFO  [STDOUT] [debug] There are no caller pointcuts!
  | 22:47:52,429 INFO  [STDOUT] [debug] was $Proxy55 converted: false
  | 22:47:52,549 INFO  [AspectDeployer] Deployed AOP: file:/D:/bin/jboss/jboss-4.0.3RC1/server/default/deploy/adp.aop

But my Advice is not found:
22:47:54,913 INFO  [STDOUT] method matched binding execution(* *->@xmbeanprimer.Billable(..)) public java.lang.String xmbeanprimer.Greeter.hello()
  | 22:47:54,913 INFO  [STDOUT] [debug] added advisor: xmbeanprimer.Greeter from binding: jar:file:/D:/bin/jboss/jboss-4.0.3RC1/server/default/tmp/deploy/tmp51167adp.aop!/META-INF/jboss-aop.xml0
  | 22:47:54,993 ERROR [MainDeployer] Could not create deployment: file:/D:/bin/jboss/jboss-4.0.3RC1/server/default/deploy/greeter01.sar/
  | org.jboss.deployment.DeploymentException: java.lang.ClassNotFoundException: No ClassLoaders found for: adp.BillableInterceptor; - nested throwable: (java.lang.RuntimeException: java.lang.ClassNotFoundException: No ClassLoaders found for: adp.BillableInterceptor)

Thanks for any hints how to package it cleanly. My target is to do runtime weaving! I checked the examples but all of them compile all the files in one directory. Have I overseen an example?

Regards
Robert Schwegler, Amadeus

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