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.

Issue: Getting below error when installing R12.2.0 applications

checking URL = http://ebsapps.apps.com:8000

   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

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   checking URL = http://ebsapps.apps.com:8000/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

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   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

Cause:

Oracle http server is not starting up due to missing library.

Solution:

shutdown applications and make below softlink. Then start the applications.

[root@ebsapps ~]# ln -s /usr/lib/libgdbm.so.2.0.0 /usr/lib/libdb.so.2

Start the applications and click on "Retry" button.

Thanks for your patience to view this blog....