[SNMP4J] SENDING TRAPS

[Frank Fock]

Hi,

Call snmp.listen() before you send the request,
otherwise you are not listening for a response
and won't get any.

Best regards,
Frank

snmp girl wrote:
> Hello,
> 
> I am using the snmp4j api for my programme to use it in order to send traps
> from my program, but something is wrong in my code , and I didn't arrive to
> know it
> this is my code
> 
> 
> import org.snmp4j.*;
> import org.snmp4j.event.*;
> import org.snmp4j.smi.*;
> import org.snmp4j.transport.*;
> import java.io.*;
> import org.snmp4j.CommunityTarget;
> import org.snmp4j.util.*;
> 
> public class Test
> {
>     public static void main(String[] args)throws IOException {
>         // TODO code application logic here
>         CommunityTarget target = new CommunityTarget();
>         Address targetaddress = new UdpAddress("172.17.200.19/161");
>         target.setAddress(targetaddress);
>         target.setCommunity(new OctetString("public"));
>         target.setTimeout (1000);
>         target.setVersion(0);
>         target.setRetries(1);
> 
>        PDU pdu = new PDU();
>        pdu.setType(PDU.V1TRAP);
> 
> 
> 
>        pdu.add(new VariableBinding(new OID(".1.3.6.1.2.1.25.3.3.1.2")));
>        TransportMapping transport = new DefaultUdpTransportMapping();
>        transport.listen();
>        try
>        {
> 
>            Snmp snmp = new Snmp(transport);
> 
>            ResponseEvent respEv = snmp.send(pdu, target);
> 
>            PDU response = respEv.getResponse();
> 
> 
> 
>        }
> 
>        catch (Exception e)
>        {
>            System.out.println("Errror in snmp");
>        }
>       }
> }
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