[SNMP4J] problem in using TableUtils class...

Frank Fock fock at agentpp.com
Mon Jun 30 18:33:25 CEST 2008


Hi,

What is the status of the TableEvent object you get?
I guess it is an error state...

Best regards,
Frank

AMRUTH KUMAR JUTURU wrote:
> Hi all,
> 
>               I am trying to use TableUtils class to read the bgp routing
> table entries. But I have a problem....This is the code....
> 
> /*
>  * To change this template, choose Tools | Templates
>  * and open the template in the editor.
>  */
> 
> package snmp;
> 
> import java.io.IOException;
> import java.util.List;
> import java.util.Vector;
> import java.util.logging.Level;
> import java.util.logging.Logger;
> import org.snmp4j.CommunityTarget;
> import org.snmp4j.Snmp;
> import org.snmp4j.smi.OID;
> import org.snmp4j.smi.OctetString;
> import org.snmp4j.smi.VariableBinding;
> import org.snmp4j.transport.DefaultUdpTransportMapping;
> import org.snmp4j.util.TableEvent;
> import org.snmp4j.util.TableUtils;
> 
> /**
>  *
>  * @author crysm
>  */
> public class TableMain {
> 
>     public static void main(String args[])
>     {
>         try {
>             TableReader tr = new TableReader();
>             Snmp session = new Snmp(new DefaultUdpTransportMapping());
>             CommunityTarget target = new CommunityTarget();
>             target.setCommunity(new OctetString("public"));
>             TableUtils tu = new TableUtils(session,tr);
>             OID[] oidArray = new OID[14];
>             oidArray[0] =  new OID("1.3.6.1.2.1.15.6.1.1");
>             oidArray[1] =  new OID("1.3.6.1.2.1.15.6.1.2");
>             oidArray[2] =  new OID("1.3.6.1.2.1.15.6.1.3");
>             oidArray[3] =  new OID("1.3.6.1.2.1.15.6.1.4");
>             oidArray[4] =  new OID("1.3.6.1.2.1.15.6.1.5");
>             oidArray[5] =  new OID("1.3.6.1.2.1.15.6.1.6");
>             oidArray[6] =  new OID("1.3.6.1.2.1.15.6.1.7");
>             oidArray[7] =  new OID("1.3.6.1.2.1.15.6.1.8");
>             oidArray[8] =  new OID("1.3.6.1.2.1.15.6.1.9");
>             oidArray[9] =  new OID("1.3.6.1.2.1.15.6.1.10");
>             oidArray[10] =  new OID("1.3.6.1.2.1.15.6.1.11");
>             oidArray[11] =  new OID("1.3.6.1.2.1.15.6.1.12");
>             oidArray[12] =  new OID("1.3.6.1.2.1.15.6.1.13");
>             oidArray[13] =  new OID("1.3.6.1.2.1.15.6.1.14");
>             List list = tu.getTable(target, oidArray,null,null);
>             System.out.println("The size of the list is  :  "+ list.size());
>             System.out.println(list.get(0).getClass());
>            for(int i=0;i<list.size();i++)
>            {
>                TableEvent tableevent = (TableEvent)list.get(i);
>                VariableBinding[] vb = tableevent.getColumns();
>                if(vb==null)
>                     System.out.println("this is null....");
>     //           System.out.println("size of the vb is : "+vb.length);
>               /* for(int j=0;j<vb.length;j++)
>                {
>                    System.out.println(vb[j]);
>                }*/
>            }
> 
> 
>         } catch (IOException ex) {
>             Logger.getLogger(TableMain.class.getName()).log(Level.SEVERE,
> null, ex);
>         }
>     }
> 
> }
> 
> 
> 
> and the code for other class is..
> 
> /*
>  * To change this template, choose Tools | Templates
>  * and open the template in the editor.
>  */
> 
> package snmp;
> 
> import org.snmp4j.PDU;
> import org.snmp4j.Target;
> import org.snmp4j.util.PDUFactory;
> 
> /**
>  *
>  * @author crysm
>  */
> public class TableReader implements PDUFactory
> {
> 
>     public PDU createPDU(Target arg0) {
>       PDU pdu = new PDU();
>       return pdu;
>     }
> 
> }
> 
> 
> .... in the end...when I get the list of TableEvents with the help of
> getTable function of TableUtils class...the TableEvent.getColumns returns
> null.....Can you please help with this..Thanks in advance..
> 
> This is the output I am getting....
> 
> The size of the list is  :  1
> class org.snmp4j.util.TableEvent
> this is null....
> _______________________________________________
> SNMP4J mailing list
> SNMP4J at agentpp.org
> http://lists.agentpp.org/mailman/listinfo/snmp4j

-- 
AGENT++
http://www.agentpp.com
http://www.mibexplorer.com
http://www.mibdesigner.com



More information about the SNMP4J mailing list