Folks
I'm using SNMP4j 1.11.3 and get occasional socket exceptions from certain
devices, but not all.
Current DefaultUdpTransportMapping.ListenThread.run() behaviour is to stop
listening if any SocketException is caught (line 394).
This kills the listener thread for every device, not just the offending device.
I have a badly behaved/config'ed device that is provoking an exception:
Socket for transport mapping
org.snmp4j.transport.DefaultUdpTransportMapping$ListenThread@1264c84 error:
socket closed
java.net.SocketException: socket closed
at java.net.PlainDatagramSocketImpl.receive0(Native Method)
at
java.net.PlainDatagramSocketImpl.receive(PlainDatagramSocketImpl.java:136)
at java.net.DatagramSocket.receive(DatagramSocket.java:712)
at
org.snmp4j.transport.DefaultUdpTransportMapping$ListenThread.run(Unknown Source)
at java.lang.Thread.run(Thread.java:619)
This effectively kills the ListenThread for all my polled devices - by removing
the "stop = true;" line above, my application becomes resilient (although
obviously I have some config problems).
Thanks
Gary
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