Re: [aspectj-users] AspectJ and RMI problem

["Wes" <wes@xxxxxxxxxxxxxx>]

There is no "this" in a static context (main).  

Wes

> ------------Original Message------------
> From: Giacomo82 <giacomoghezzi@xxxxxxxxxxxxx>
> To: aspectj-users@xxxxxxxxxxx
> Date: Tue, Oct-24-2006 2:13 AM
> Subject: [aspectj-users] AspectJ and RMI problem
>
> 
> Hi, I just started using AspectJ three weeks ago and now I came across 
> a
> little problem (I'm guessing it's really really easy but I just can't 
> see
> the error I'm making).
> I'm starting to use AspectJ to do some logging of RMI applications. In
> particular I created the classic Hello World example in RMI. But I 
> quickly
> came across a problem when creating my Aspect.
> 
> To understand the problem I'll post the RMI server and the aspect I 
> wrote: 
> 
> here is the Server:
> 
> package server;
> import java.rmi.Naming;
> import java.rmi.RMISecurityManager;
> import java.rmi.RemoteException;
> import java.rmi.server.UnicastRemoteObject;
> 
> public class ServerEngine extends UnicastRemoteObject implements 
> Compute {
> 
> 	public ServerEngine() throws RemoteException {
> 		super();
> 	}
> 
> 	public String executeTask_1() {
> 		return "Hello!";
> 	}
> 	
> 	public static void main(String[] args) {
> 		if (System.getSecurityManager() == null) {
> 			System.setSecurityManager(new RMISecurityManager());
> 		}
> 		try {
> 			ServerEngine engine = new ServerEngine();
> 			Naming.rebind("Hello", engine);
> 	        System.out.println("ServerEngine bound");
> 	    } 
> 		catch (Exception e) {
> 			System.err.println("ServerEngine exception: " + e.getMessage());
> 	        e.printStackTrace();
> 	    }
> 	}
> 
> }
> 
> And here is the aspect:
> 
> package myRMIAspect;
> import java.rmi.registry.*;
> import java.rmi.Naming;
> 
> public aspect MyRMIAspect {
> 	
> 	//Tracks the call to rebind
> 	pointcut rebindMethod ():
> 		call (* Naming.rebind(..));
> 
> 	before(Object caller): rebindMethod() && this(caller) { 
> 		//Do some actions that I need fo my application
> 		}	
> }
> 
> The problem is that I keep having the same warning for that aspect that
> says: advice in [Name of .aj file] has not been applied[Hi, I just 
> started
> using AspectJ three weeks ago and now I came across a little problem 
> (I'm
> guessing it's really really easy but I just can't see the error I'm 
> making).
> I'm starting to use AspectJ to do some logging of RMI applications. In
> particular I created the classic Hello World example in RMI. But I 
> quickly
> came across a problem when creating my Aspect.
> To understand the problem I'll post the RMI server and the aspect I 
> wrote: 
> 
> here is the Server:
> 
> package server;
> import java.rmi.Naming;
> import java.rmi.RMISecurityManager;
> import java.rmi.RemoteException;
> import java.rmi.server.UnicastRemoteObject;
> 
> public class ServerEngine extends UnicastRemoteObject implements 
> Compute {
> 
> 	public ServerEngine() throws RemoteException {
> 		super();
> 	}
> 
> 	public String executeTask_1() {
> 		return "Hello!";
> 	}
> 	
> 	public static void main(String[] args) {
> 		if (System.getSecurityManager() == null) {
> 			System.setSecurityManager(new RMISecurityManager());
> 		}
> 		try {
> 			ServerEngine engine = new ServerEngine();
> 			Naming.rebind("Hello", engine);
> 	        System.out.println("ServerEngine bound");
> 	    } 
> 		catch (Exception e) {
> 			System.err.println("ServerEngine exception: " + e.getMessage());
> 	        e.printStackTrace();
> 	    }
> 	}
> 
> }
> 
> And here is the aspect:
> 
> package myRMIAspect;
> import java.rmi.registry.*;
> import java.rmi.Naming;
> 
> public aspect MyRMIAspect {
> 	
> 	//Tracks the call to rebind
> 	pointcut rebindMethod ():
> 		call (* Naming.rebind(..));
> 
> 	before(Object caller): rebindMethod() && this(caller) { 
> 		//Do some actions that I need fo my application
> 		}	
> }
> 
> The problem is that I keep having the same warning for that 
> before(Object
> caller)....etc aspect that says: advice in [Name of .aj file] has not 
> been
> applied[Xlint:adviceDidNotMatch]
> Obviously the problem is with the use of the this() pointcut 
> designator,
> because if I don't use it, there are no warnings. But I really need it 
> since
> I have to know the caller of the rmi method "rebind()" for the work I'm
> doing.
> I really don't know what the problem is, since used almost the same 
> advice
> many times in another application that wasn't using RMI (a 
> client-server
> application using only sockets)
> 
> Can somebody please help me?? 
> Thanks!
> Giacomo
> -- 
> View this message in context: 
> http://www.nabble.com/AspectJ-and-RMI-problem-tf2497194.html#a6961010
> Sent from the AspectJ - users mailing list archive at Nabble.com.
> 
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