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

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

/ora/apps121/PROD/inst/apps/PROD_apps12/logs


HTTP

-----
   checking URL = http://apps12.ora.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

----------
   checking URL = http://apps12.ora.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

------------------
   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://apps12.ora.com:8000/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.
[root@apps12 logs]#

Checking Application status :-

=================================================================

At last steps of Installation during validating system configuration it failed on HTTP, loginpage, Help Directory and JSP.
When checked all services were up and running except web server.
checking status of OPMN managed processes…
Processes in Instance: PROD_ebs.ebs.ORACLE.com

———————————+——————–+———+———
ias-component                    | process-type       |     pid | status
———————————+——————–+———+———
OC4JGroup:default_group          | OC4J:oafm          |   13776 | Alive
OC4JGroup:default_group          | OC4J:forms         |   13703 | Alive
OC4JGroup:default_group          | OC4J:oacore       |   13617 | Alive
HTTP_Server                              | HTTP_Server       |   13560 | Down

Http_server is shown as Down.

===============================================================

 Due to missing library.  /usr/lib/libdb.so.2

if you got this type of error then you can take a new terminal and Down the all application services and follow below steps.

Solution:=

================================================================ 
* Shut DB services. (Database User oracle)

$ cd /ora/apps121/PROD/db/tech_st/11.1.0/appsutil/scripts/PROD_apps12

$./addlnctl.sh

$./addbctl.sh stop

Shut Application Services (Application user appsmgr)

/ora/apps121/PROD/inst/apps/PROD_apps12/admin/scripts

$ ./adstpall.sh apps/apps

* create the below link for library file 

  root  ]# ln -s   /usr/lib/libgdbm.so.2.0.0  /usr/lib/libdb.so.2

# vi  /etc/selinux/config

change the SELINUX=enforcing

* Startup all application services. And press the Retry button 
 

after  check the oacore status

./addlnctl.sh start PROD

./addbctl.sh start

./adstrtal.sh start




[root@apps12 scripts]#  ./adoacorectl.sh status

You are running adoacorectl.sh version 120.13

Checking status of OPMN managed OACORE OC4J instance ...

Processes in Instance: PROD_apps12.apps12.ora.com
---------------------------------+--------------------+---------+---------
ias-component                    | process-type       |     pid | status
---------------------------------+--------------------+---------+---------
OC4JGroup:default_group          | OC4J:oafm          |     715 | Alive
OC4JGroup:default_group          | OC4J:forms         |     644 | Alive
OC4JGroup:default_group          | OC4J:oacore        |     559 | Alive
HTTP_Server                              | HTTP_Server        |     502 | Alive


adoacorectl.sh: exiting with status 0

adoacorectl.sh: check the logfile /ora/apps121/PROD/inst/apps/PROD_apps12/logs/appl/admin/log/adoacorectl.txt for more information ...

[root@apps12 scripts]#