TACACS authentication with TIBCO LogLogic LMI is failing due to UnknownHost Exception
Article ID: KB0077031
Updated On:
| Products | Versions |
|---|---|
| TIBCO LogLogic Log Management Intelligence | 4.8 and higher |
Description
In LogLogic LMI's /loglogic/tomcat/logs/logapp.log you may see this message:
<Date> <time> [http-443-5] ERROR com.loglogic.logapp.filters.auth.TacacsAuthentication - UnknownHostException: Failed to construct TACACSClient object
This is typically caused by the /etc/hosts file not containing the appliance's current IP and hostname as displayed by the Network page in the GUI.
<Date> <time> [http-443-5] ERROR com.loglogic.logapp.filters.auth.TacacsAuthentication - UnknownHostException: Failed to construct TACACSClient object
This is typically caused by the /etc/hosts file not containing the appliance's current IP and hostname as displayed by the Network page in the GUI.
Issue/Introduction
This explains what causes an UnknownHost Exception when attempting authentication with a TACACS server from LogLogic LMI.
Resolution
1. Open the /etc/hosts file for editing.
-------------------Begin /etc/hosts file---------------------------
# default IPv4 entries
#
127.0.0.1 localhost localhost.localnet
# Input the IP address of the MX/LX/ST, press tab, then input the hostname you used in Administration -> System Settings -> Network page
XXX.XXX.XXX.XXX[tab]myHostname
# default IPv6 entries
#
::1 ipv6-localhost ipv6-loopback
fe00::0 ipv6-localnet
ff00::0 ipv6-mcastprefix
ff02::1 ipv6-allnodes
ff02::2 ipv6-allrouters
10.0.0.11 logapp
------------------------End /etc/hosts file-----------------------------------
2. Save and exit the file then reboot the appliance.
-------------------Begin /etc/hosts file---------------------------
# default IPv4 entries
#
127.0.0.1 localhost localhost.localnet
# Input the IP address of the MX/LX/ST, press tab, then input the hostname you used in Administration -> System Settings -> Network page
XXX.XXX.XXX.XXX[tab]myHostname
# default IPv6 entries
#
::1 ipv6-localhost ipv6-loopback
fe00::0 ipv6-localnet
ff00::0 ipv6-mcastprefix
ff02::1 ipv6-allnodes
ff02::2 ipv6-allrouters
10.0.0.11 logapp
------------------------End /etc/hosts file-----------------------------------
2. Save and exit the file then reboot the appliance.
Feedback
Yes
No
Powered by
