[SNMP4J] SNMP Agent NULL point exception for GET MESSAGE

[Muralidharan Narayanan]

Frank,
Here is the information.
java.lang.NullPointerException
	at org.snmp4j.agent.CommandProcessor.getViewName(CommandProcessor.java:545)
	at
org.snmp4j.agent.CommandProcessor.processRequest(CommandProcessor.java:325)
	at
org.snmp4j.agent.CommandProcessor.dispatchCommand(CommandProcessor.java:288)
	at org.snmp4j.agent.CommandProcessor$Command.run(CommandProcessor.java:503)
	at org.snmp4j.agent.CommandProcessor.processPdu(CommandProcessor.java:128)
	at
org.snmp4j.MessageDispatcherImpl.fireProcessPdu(MessageDispatcherImpl.java:5
87)
	at
org.snmp4j.MessageDispatcherImpl.dispatchMessage(MessageDispatcherImpl.java:
268)
	at
org.snmp4j.MessageDispatcherImpl.processMessage(MessageDispatcherImpl.java:3
28)
	at
org.snmp4j.MessageDispatcherImpl.processMessage(MessageDispatcherImpl.java:2
90)
	at
org.snmp4j.transport.AbstractTransportMapping.fireProcessMessage(AbstractTra
nsportMapping.java:83)
	at
org.snmp4j.transport.DefaultUdpTransportMapping$ListenThread.run(DefaultUdpT
ransportMapping.java:324)

Murali

> -----Original Message-----
> From: Frank Fock [mailto:fock at agentpp.com]
> Sent: Tuesday, October 09, 2007 12:41
> To: Muralidharan Narayanan
> Cc: snmp4j at agentpp.org
> Subject: Re: [SNMP4J] SNMP Agent NULL point exception for GET MESSAGE
>
>
> Hello Murali,
>
> Can you provide the line number where the exception
> occurs in MessageDispatcherImpl?
>
> Best regards,
> Frank
>
> Muralidharan Narayanan wrote:
> > Hello:
> > I have a "java.lang.NullPointerException" occurring when I
> issue a GET
> > variable command to my agent.
> >
> > I am using SNMPv2c. Agent (this is NOT the TestAgent but
> our implemented
> > version) was fully functional with library SNMP4J-1.7.6a and
> > SNMP4J-agent-1.0.1a. With these older libraries I was able
> to receive traps
> > and issue GET commands without any problem.
> > ------
> > Here is what I did. I updated the libraries to SNMP4J-1.8.2 and
> > SNMP4J-agent-1.1.4. I am able to receive traps at SNMP
> managers without any
> > problem. But now I get the below "ERROR
> > DefaultUDPTransportMapping_204.192.50.200/161
> > org.snmp4j.MessageDispatcherImpl -
> java.lang.NullPointerException" when I
> > issue a GET command.
> > Any ideas what I am missing.
> > -----
> > NOTE: updated libraries all worked fine when I test with
> sample TestAgent
> > provided
> >
> > Any help is appreciated. Thanks
> > Murali
> > --------------------------------------------------------
> > OUTPUT --------------------------------
> >
> > 2007-10-09 11:40:47,499 INFO main org.snmp4j.agent.DefaultMOServer -
> > Registered MO
> >
> DefaultMOTable[id=1.3.6.1.6.3.16.1.1.1,index=org.snmp4j.agent.
> mo.MOTableInde
> >
> x at 8ff4cf,columns=[org.snmp4j.agent.mo.MOColumn[columnID=1,synt
> ax=4]]] in
> > default context with scope
> >
> DefaultMOTable[id=1.3.6.1.6.3.16.1.1.1,index=org.snmp4j.agent.
> mo.MOTableInde
> >
> x at 8ff4cf,columns=[org.snmp4j.agent.mo.MOColumn[columnID=1,syntax=4]]]
> > ...
> > 2007-10-09 11:40:47,562 INFO main org.snmp4j.agent.DefaultMOServer -
> > Registered MO
> >
> DefaultMOTable[id=1.3.6.1.4.1.8716.2.10.1,index=com.triveni.st
> reamscope.snmp
> >
> Agent.StreamscopeMib$8 at 162e295,columns=[org.snmp4j.agent.mo.MO
> Column[columnI
> > D=1,syntax=66],
> >
> org.snmp4j.agent.mo.snmp.DisplayString[columnID=2,syntax=4,def
> ault=null,mode
> > =], org.snmp4j.agent.mo.MOColumn[columnID=3,syntax=66]]] in
> default context
> > with scope
> >
> DefaultMOTable[id=1.3.6.1.4.1.8716.2.10.1,index=com.triveni.st
> reamscope.snmp
> >
> Agent.StreamscopeMib$8 at 162e295,columns=[org.snmp4j.agent.mo.MO
> Column[columnI
> > D=1,syntax=66],
> >
> org.snmp4j.agent.mo.snmp.DisplayString[columnID=2,syntax=4,def
> ault=null,mode
> > =], org.snmp4j.agent.mo.MOColumn[columnID=3,syntax=66]]]
> > 2007-10-09 11:40:47,609 INFO
> DefaultUDPTransportMapping_204.192.50.200/161
> > org.snmp4j.transport.DefaultUdpTransportMapping - UDP
> receive buffer size
> > for socket 204.192.50.200/161 is set to: 8192
> > 2007-10-09 11:40:50,499 INFO main
> > org.snmp4j.agent.mo.snmp.NotificationOriginatorImpl - Sent
> notification
> > TRAP[requestID=1888639608, errorStatus=Success(0), errorIndex=0,
> > VBS[1.3.6.1.2.1.1.3.0 = 0:00:03.28; 1.3.6.1.6.3.1.1.4.1.0 =
> > 1.3.6.1.4.1.8716.2.11.0.1; 1.3.6.1.4.1.8716.2.2.1 = Murali;
> > 1.3.6.1.4.1.8716.2.2.2 = ON; 1.3.6.1.4.1.8716.2.2.3 =
> 204.192.50.200;
> > 1.3.6.1.4.1.8716.2.2.4 = Tue Oct 09 10:32:59 EDT 2007;
> > 1.3.6.1.4.1.8716.2.2.5 = Tue Oct 09 10:32:59 EDT 2007;
> > 1.3.6.1.4.1.8716.2.2.6 = Mon Oct 08 17:01:42 EDT 2007]] to
> > CommunityTarget[address=204.192.50.200/162, version=1, timeout=2000,
> > retries=1, community=public]
> > 2007-10-09 11:41:05,203 ERROR
> DefaultUDPTransportMapping_204.192.50.200/161
> > org.snmp4j.MessageDispatcherImpl - java.lang.NullPointerException
> > _______________________________________________
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>
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