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OracleAS AS Guard "Discover Toplogy" Fails With ASG_DUF-3030: Error, cannot resolve host name (Doc ID 452506.1)

Last updated on AUGUST 20, 2020

Applies to:

Oracle Fusion Middleware High Availability - Version 10.1.2.0.2 to 10.1.2.3.0 [Release AS10gR2]
Information in this document applies to any platform.
Oracle Fusion Middleware HA - FMW HA - Version: 10.1.2.0.2 to 10.1.2.3.0
"Checked for relevance on 17th-April-2009"


Symptoms

The AS Guard 'discover topology' command


fails with the following error stack

Getting the list of instances from OID
ASG_DUF-4950: An error occurred on host "dev-infra" with IP "<PASSWORD>" and port "7891"
ASG_DUF-3030: Error, cannot resolve host name
<INSTANCE.DOMAIN>.<HOSTNAME.DOMAIN>
ASG_IAS-15776: Error discovering the topology from OID


The error in the duf_server.log

... WST NOTIFICATION:1 Duf/LOCAL <HOSTNAME>: oracle.duf.DufException
at oracle.duf.DufNode.loadIPAddr(DufNode.java:256)
at oracle.duf.DufNode.getIPAddr(DufNode.java:195)
at oracle.duf.dufias.DufIasWorker$Simple.getInstanceInfoFromOID(DufIasWorker.java:645)
at oracle.duf.dufias.DufIasWorker$Simple.discoverTopology(DufIasWorker.java:285)

 

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References

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