[Aglets-developer] Remote messaging and .. even local messaging between throwing erros.....Any advises

[Anil K. <akr...@ya...>]

Hi Luca and others ,

OS : FedoraCore Linux 3

I am facing problem while sending messages between
agents.

First i tried sending the message to the remote agent.
Then i got the error as follows ...

com.ibm.aglet.NotHandledException:com.ibm.maf.NotHandled:null

Here i found that the function "
context.getAgletProxy(url,remoteID)  " is returning a
null.
I am not sure why is this ..?Any guess or ideas ..?
( I am able to dispatch and retract agents between
remote an local Tahithi servers)


Then i tried sending a message between two agents in
the same proxy and context .
But i got the following error :
com.ibm.aglet.NotHandledException: [Message : kind =
HELLO: arg = {}: priority = 5]

I used the sample aglets ( namely agletA and  agletB
which were given in the aglets user manual )so that it
will be easy to find out the problem.

I provided clear error messages.I am not finding any
thing from the error mesaages.


Error with remote
messaging..................................STARTS

  $$$$$$$$$$    The new agent has ID =7425fd41735d233a
***** Addr: atp://131.151.8.211 place:
No integrity check because no security domain is
authenticated.
 remoteProxy is :AgletProxyImpl : RemoteAgletRef :
null .. WeakRef[count=1]
Message is not sent .Exception is 
:com.ibm.aglet.NotHandledException:
com.ibm.maf.NotHandled:null

Error with remote
messaging.................................. ENDS 


Error with local messaging
..................................STARTS


  $$$$$$$$$$    The new agent has ID =3f9f1be5e4cd0e7e
 localProxy is :AgletProxyImpl : Aglet [active]
      ClassName [old.agletB]
      Identifier[3f9f1be5e4cd0e7e]
      Owner[CN=anilkumar, OU=erl, O=umr, L=rolla,
ST=mo, C=us]
      CodeBase[atp://r24intelsys:4434/]
CN=anilkumar, OU=erl, O=umr, L=rolla, ST=mo, C=us
 myID is :3f9f1be5e4cd0e7e
Message is not sent .Exception is 
:com.ibm.aglet.NotHandledException: [Message : kind =
HELLO: arg = {}: priority = 5]


Error with local messaging
..................................ENDS




As you are the project lead ..i am sure you will find
some identification for errors .Please lete me know
why messages are not being transferred.


Please see the following source files i am using in
both remote mesaging and local messaging cases and 
let me know what is wrong...?

Is my Message class object creation  wrong ..?


Thanks
Anil




///////////////////////  files used for remote
messaging/////////////////////////////////////////

package old;
import com.ibm.aglet.*;
import java.net.*;

public class agletA extends  Aglet {

    public void run()
    {
        try
        {
            //Get the aglet context
            AgletContext context =
this.getAgletContext();
            
            //Create the agletB instance.
            AgletProxy toMove =
context.createAglet(null, "old.agletB", null);
            
            //Save the new aglet ID
            AgletID remoteID = toMove.getAgletID();
            System.out.println("  $$$$$$$$$$    The
new agent has ID ="+remoteID);
            
            //Migrate the new agent
            String remoteContext =
"atp://131.151.8.211:4434";
            URL  url = new URL(remoteContext);
            toMove.dispatch(url);

            //Get the remote Proxy
            AgletProxy remoteProxy =
context.getAgletProxy(url,remoteID);
            
            try
            {
               System.out.println(" remoteProxy is
:"+remoteProxy);
                //Send message to the remote agent
                remoteProxy.sendMessage(new
Message("HELLO"));   
            }
            catch(Exception e)
            {
                System.out.println("Message is not
sent .Exception is  :"+e);
            }
        }
        catch(Exception e )
        {
            System.out.println("Exception is :"+e);
        }
    }
}


package old;
import com.ibm.aglet.*;
import java.net.*;

public class agletB extends  Aglet {

    public void run()
    {
        try
        {
            AgletID myID = this.getAgletID();
            System.out.println(" myID is :"+myID);
        }
        catch (Exception e)
        {
            System.out.println("Exception is :"+e);
        }
    }
  
    //handle the message.
    public boolean handleMessgae(Message msg)
    {
        if( msg.sameKind("HELLO"))
        {
            System.out.println("I am aglet . HELLO
message received from agletA. ");
            return true;
        }
        return false;
    }
}



Error with remote
messaging..................................

  $$$$$$$$$$    The new agent has ID =7425fd41735d233a
***** Addr: atp://131.151.8.211 place:
No integrity check because no security domain is
authenticated.
 remoteProxy is :AgletProxyImpl : RemoteAgletRef :
null .. WeakRef[count=1]
Message is not sent .Exception is 
:com.ibm.aglet.NotHandledException:
com.ibm.maf.NotHandled:null



///////////////////////  files used for LOCAL
messaging /////////////////////////////////////////



NOte : "agletB.java"   file is the same   as above.


package old;
import com.ibm.aglet.*;
import java.net.*;

public class agletA extends  Aglet {

    public void run()
    {
        try
        {
            //Get the aglet context
            AgletContext context =
this.getAgletContext();            
            
            //Create the agletB instance.
            AgletProxy toMove =
context.createAglet(null, "old.agletB", null);
            
            //Save the new aglet ID
            AgletID loacalID = toMove.getAgletID();

            System.out.println("  $$$$$$$$$$    The
new agent has ID ="+loacalID);

            //Get the Local Proxy            
            AgletProxy loacalProxy =
context.getAgletProxy(loacalID);
            try
            {
                System.out.println(" localProxy is
:"+loacalProxy);
                //Send message to the remote agent
                loacalProxy.sendMessage(new
Message("HELLO")); 
            }
            catch(Exception e)
            {
                System.out.println("Message is not
sent .Exception is  :"+e);
            }
        }
        catch(Exception e )
        {
            System.out.println("Exception is :"+e);
        }
    }
}

Error with local messaging .


  $$$$$$$$$$    The new agent has ID =3f9f1be5e4cd0e7e
 localProxy is :AgletProxyImpl : Aglet [active]
      ClassName [old.agletB]
      Identifier[3f9f1be5e4cd0e7e]
      Owner[CN=anilkumar, OU=erl, O=umr, L=rolla,
ST=mo, C=us]
      CodeBase[atp://r24intelsys:4434/]
CN=anilkumar, OU=erl, O=umr, L=rolla, ST=mo, C=us
 myID is :3f9f1be5e4cd0e7e
Message is not sent .Exception is 
:com.ibm.aglet.NotHandledException: [Message : kind =
HELLO: arg = {}: priority = 5]



Plase let me know what is wrong ...?

Thanks
Anil




		
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