"Failed to Load server configuration" Error in the EM Console After Changing Orclhostname in OID 11g to Another Existing Secondary VIP Hostname
(Doc ID 1340233.1)
Last updated on OCTOBER 16, 2019
Applies to:Enterprise Manager for Fusion Middleware - Version 220.127.116.11.0 to 18.104.22.168.0
Oracle Internet Directory - Version 11.1.1 and later
Information in this document applies to any platform.
This Note is Not intended for hostname changes at the OS level after FMW/IDM was installed. FMW/OID 11g change of hostname after installation is Not supported as per FMW Note and documentation:
How To Find Steps to Change Host Name, Domain Name, or IP Address of an Oracle Fusion Middleware 11g or 12c Host (Document 1127106.1)
Oracle® Fusion Middleware Administrator's Guide 11g Release 1 (22.214.171.124) E10105-19
Chapter 16 Changing Network Configurations
Section 16.1.1 Overview of Support for Changing Network Configuration of Components
Subsection 16.1.1 Overview of Support for Changing Network Configuration of Components
After creating a new OID instance (oid2) as per:
Document 1203271.1 - 11g - How To Create New OID Instance And Configure For SSL Server Auth (mode 2)
The server has a secondary or virtual IP address that resolves to a different hostname:
<IP_ADDRESS1> physical.<COUNTRY>.<COMPANY>.com physical
<IP_ADDRESS2> secondary.<COUNTRY>.<COMPANY>.com secondary
The default OID orclhostname was changed from "localhost" to "secondary.<COUNTRY>.<COMPANY>.com".
So these ports are now bound to that specific IP/hostname as can be seen with netstat, e.g.:
netstat -an|grep 3061
tcp 0 0 <IP_ADDRESS2>:3061 0.0.0.0:* LISTEN
netstat -an | grep 3132
tcp 0 0 <IP_ADDRESS2>:3132 0.0.0.0:* LISTEN
In Enterprise Manager Console (EM)
General Port usage screen: shows the correct values
Port Hostname Protocol
3132 secondary.<COUNTRY>.<COMPANY>.com LDAPS
3061 secondary.<COUNTRY>.<COMPANY>.com LDAP
Error on the EM OID Server Configuration Page for component oid2:
Note that it is still trying to connect to the original hostname, which is not listening on these ports.
Component oid2 was reregistered with:
opmnctl updatecomponentregistration -adminHost physical.<COUNTRY>.<COMPANY>.com -Host secondary.<COUNTRY>.<COMPANY>.com -adminPort 7001 -adminUsername weblogic -componentType OID -componentName oid2 -Port 3061 -Sport 3132
The topology.xml and targets.xml now have the correct values for "host" for the oid2 component, but EM is still trying to connect to the original hostname.
By default OID will listen on all network adapters.
OID has been reconfigured to bind to a specific IP address.
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