Everything is OK. You just encounter a timeout (no response
from the agent). Check the agent address and community.
Frank
Tetsuro Motoyama wrote:
> I am new to the snmp4j and trying to test if I can run the simple program.
>
> I took sample from SNMP class and created the following program that is
> not working. It compiles and runs with the outputs below.
> Can anyone help me?
>
> ===================================================================
> package Test;
> import java.io.IOException;
>
> import org.snmp4j.*;
> import org.snmp4j.event.ResponseEvent;
> import org.snmp4j.event.ResponseListener;
> import org.snmp4j.mp.MPv3;
> import org.snmp4j.mp.SnmpConstants;
> import org.snmp4j.security.SecurityModels;
> import org.snmp4j.security.SecurityProtocols;
> import org.snmp4j.security.USM;
> import org.snmp4j.smi.Address;
> import org.snmp4j.smi.GenericAddress;
> import org.snmp4j.smi.OID;
> import org.snmp4j.smi.OctetString;
> import org.snmp4j.smi.VariableBinding;
> import org.snmp4j.transport.DefaultUdpTransportMapping;
>
> public class TestClass {
>
> /**
> * @param args
> */
> @SuppressWarnings("deprecation")
> public static void main(String[] args) {
> Address targetAddress =
> GenericAddress.parse("udp:172.30.4.51/161");
> TransportMapping transport = null;
> try {
> transport = new DefaultUdpTransportMapping();
> } catch (IOException e) {
> // TODO Auto-generated catch block
> e.printStackTrace();
> }
> Snmp snmp = new Snmp(transport);
>
>
> // setting up target
> CommunityTarget target = new CommunityTarget();
> target.setCommunity(new OctetString("public"));
> target.setAddress(targetAddress);
> target.setRetries(2);
> target.setTimeout(100000);
> target.setVersion(SnmpConstants.version1);
> // creating PDU
> PDU pdu = new PDU();
> pdu.add(new VariableBinding(new OID(new int[]
> {1,3,6,1,2,1,1})));
> pdu.setType(PDU.GETNEXT);
> // sending request
>
>
> ResponseEvent response = null;
> try {
> //response = snmp.send(pdu, target);
> response = snmp.getNext(pdu, target);
> } catch (IOException e) {
> // TODO Auto-generated catch block
> e.printStackTrace();
> }
> Exception error = response.getError();
> PDU responsePDU = response.getResponse();
> // extract the address used by the agent to send the
> response:
> Address peerAddress = response.getPeerAddress();
>
> System.out.println("done: " + response);
> System.out.println("\nError is" + error);
> System.out.println("\n"+responsePDU);
> System.out.println("\n" + peerAddress);
> }
> }
> ====================================================
> Outputs are:
> ---------------------
> done: org.snmp4j.event.responseevent[source=org.snmp4j.s...@192b996]
>
> Error isnull
>
> null
>
> null
>
> _______________________________________________
> SNMP4J mailing list
> [email protected]
> http://lists.agentpp.org/mailman/listinfo/snmp4j
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