In this DocumentSymptomsChangesCauseSolutionReferences

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Applies to: Oracle Applications Technology Stack - Version: 11.5.9Oracle Applications Manager - Version: 11.5.9This problem can occur on any platform.SymptomsWhile logging into the application throughhttp://host.domain:port/oa_servlets/AppsLogin, the error "HTTP 404 - File not found" appears on the page.ChangesCustomer cloned on to IBM HACMP cluster server. There are two ip addresses configured, service and physical. Both were showing up in the cluster.CauseThe issue is caused by the following setup:Incorrect virtual hostname configuration at IBM HACMP cluster

nslookup output did not return correct value.

.SolutionTo implement the solution, please execute the following steps:

1. Correct virtual ip and hostname configuration at IBM HACMP cluster.Make sure nslookup gives the output as follows:e.g. nslookup ebs11i.oracle.comServer: util1.oracle.com Address: 15.61.268.18

Name: ebs11i.oracle.com Address: 15.61.208.104

2. Modify /etc/hosts file to have webhost as the first entry in the following format. e.g.15.61.208.104 ebs11i.oracle.com ebs11i

3. Run autoconfig and bounce your midtier services.ReferencesNOTE:390666.1 - How to determine if you are on the latest Autoconfig related patches.