R12 Rapidwiz Postinstall Steps Http, Login page, Virtual directory, JSP, Help Page Fails in Linux 5 64-bit

ISSUE:

R12 Rapidwiz Postinstall Steps Http, Login page, Virtual directory, JSP, Help Page Fails in Linux 5 64-bit

Rapidwiz log:

HTTP 
----- 
checking URL = http://<hostname>:<port> 

RW-50015: Error: - HTTP Listener is not responding. The service might not have started on the port yet. Please check the service and use the retry button. 

Help Page: 
---------- 
checking URL = http://<hostname>:<port>/OA_HTML/help 

RW-50015: Error: - Help Page is not responding. The service might not have started on the port yet. Please check the service and use the retry button. 

Virtual Directory: 
------------------ 
RW-50015: Error: - Http Server Virtual Directories is not responding. The service might not have started on the port yet. Please check the service and use the retry button. 

JSP: 
---- 
checking URL = http://<hostname>:<port>/OA_HTML/jtfTestCookie.jsp 

RW-50015: Error: - JSP is not responding. The service might not have started on the port yet. Please check the service and use the retry button. 

Login Page: 
----------- 

RW-50015: Error: - Login Page is not responding. The service might not have started on the port yet. Please check the service and use the retry button. 
RW-10001: Rapidinstall wizard has detected that your configuration has errors. You must resolve these issues before continuing. 

While checking opmn services not running, try start services its getting below error.

You are running adopmnctl.sh version 120.6

opmnctl: starting opmn and all managed processes...
getaddrinfo(localhost, NULL, 1) failed (Name or service not known): No such file or directory
getaddrinfo(localhost, NULL, 1) failed (Name or service not known): No such file or directory
getaddrinfo(localhost, NULL, 1) failed (Name or service not known): No such file or directory
opmnctl: opmn start failed.

adopmnctl.sh: exiting with status 0

adopmnctl.sh: check the logfile /d02/applmgr/PROD/inst/apps/PROD_apps/logs/appl/admin/log/adopmnctl.txt for more information ... 

CAUSE:

The hosts file does not contain the localhost entry or commented in /etc/hosts file.

127.0.0.1 localhost.localdomain


SOLUTION.


To implement the solution, please execute the following steps:

1. Modify /etc/hosts file like add localhost entry or uncomment

127.0.0.1 localhost.localdomain localhost

2. Start opmn services and go back to rapidwiz postinstall page click retry button

3. If Still Login page check fails , do below steps

4. Stop all applications

   cd $ADMIN_SCRIPTS_HOME
   
   sh adautocfg.sh
   
5. Start applications and go back to rapidwiz postinstall page click retry button

   All postinstall checks should complete successfully.