[snmp] SNMP v3 discovery bug in 5.1

Tim Panton thp at westhawk.co.uk
Fri Sep 14 11:03:35 BST 2007


On 13 Sep 2007, at 21:27, Josh Bers wrote:

> Birgit,
>
> Here is output (tail end) from our run of a program that isolates the
> problem of SNMP v3 not working correctly when an agent that is  
> unreachable,
> becomes reachable. We started with the network cable unplugged and  
> tried to
> fetch sysUpTime from 128.89.68.66 , every 5 seconds we kick off a  
> thread to
> fetch (authPriv enabled). Around request #35 we plug it back in
>
> (search for Thread 41 started at: 1189713664742)
>
> It seems that there is an issue with context being destroyed while  
> still
> sending/receiving PDU's from the remote agent.... not clear. Why  
> isn't the
> DiscoveryBean using the context pool mechanism and creating its own  
> context
> directly?
>
> ps. this was run using westhawk 5.1 from a windows XP box with java  
> 1.4.2
> talking to a linux box:

Hi,
I think this bug is fixed in the current CVS -
see :

http://westhawksnmp.cvs.sourceforge.net/westhawksnmp/westhawksnmp/src/ 
uk/co/westhawk/snmp/beans/UsmDiscoveryBean.java?r1=1.16&r2=1.17

Tim.


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