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Título
"Could not start trap listener on port 162...Permission denied" reported by V5.8.5 GenericSNMPTrapAgent running from Linux FglAM -
Descripción
Devices were discovered but the GenericSNMPTrapAgent is not receiving traps.The SNMPTrapAgent is running from a Linux FglAM (Foglight Agent Manager).The GenericSNMPTrapAgent log reports the following ERROR:2016-02-25 21:52:40.700 ECHO <fb8be857-fbcf-4747-973d-295a8570e581/GenericSNMPTrapAgent/5.8.5/GenericSNMPTrapAgent/GenericSNMPTrapAgent-agent> ERROR [FglAM:RestoreAgent[16]-4] com.quest.monitoring.snmptrap.agent.GenericSNMPTrapAgent - Could not start trap listener on port 162com.quest.monitoring.snmp.trap.SnmpTrapListenerCannotStartException: Unable to create trap listener. There may be another trap listener (snmp simulator?) already running. No traps will be received....Caused by: java.net.BindException: Permission denied -
Causa
The FglAM is running as the "foglight" user on a Linux host. Non-root users cannot bind to ports below 1024 on Linux hosts by default. Since the FglAM is running as a non-root user it cannot bind to the port 162. -
Resolución
Modify the snmpTrapPort property of the GenericSNMPTrapAgent to use a port value above 1024 if the FglAM will be run as a non-root user.Run the FglAM as the root user if using port 162 is desired.