[SNMP4J] Problems closing snmp

Frank Fock fock at agentpp.com
Tue Oct 13 21:29:24 CEST 2009


Please update your SNMP4J version to 1.10.1 to solve the
problem.

Best regards,
Frank

Yoryos Valotassios wrote:
> I'm using snmp v1.9.1f. What I do is instantiate an Snmp object and
> use it for requests to different targets. Every time I want to send a
> new request I use a ResponseListener in order to get the response as
> soon as it's ready following the code snippet found at the
> documentation of the Snmp class.
> 
> What I've seen (from the logs as I couldn't reproduce the problem on a
> development machine) is that some times the snmp object just hangs. As
> I see from the logs the onResponse method of the listener will be
> called with an event but the given peerAddress is alway null. When the
> problem starts I can't get a "good" response from any possible target.
> I am pretty sure that there isn't any connectivity problems as one of
> the targets I'm using is the machine running the application.
> 
> The application is osgi based, so I tried to just restart the bundle
> that handles the snmp stuff (witch contains the snmp4j library). What
> I noticed is that the osgi enviroment was waiting for the snmp.close()
> method to finish for some minutes before I terminated the virtual
> machine and restarted it.
> 
> The problem does not have any kind of frequency and the only solution
> right now is a jvm restart. It can happen in 3 days or in 3 hours.
> 
> --
> Valotassios Yoryos
> GLOMAN S.A.
> 2 Papada str,
> Athens, GR 115 25
> 
> T: +30 210 6985700
> E: valotas at gloman.gr
> _______________________________________________
> SNMP4J mailing list
> SNMP4J at agentpp.org
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