OPMN startup issues : OBIEE 11g

When you see below error message while starting up opmn services 

ONS server initiated

 [opmn] [TRACE:1] [522] [pm-internal] PM state directory exists: /u01/app/middleware/instances/instance1/config/OPMN/opmn/states

 [opmn] [NOTIFICATION:1] [675] [pm-internal] OPMN server ready. Request handling enabled

[opmn] [ERROR:1] [] [libopmncustom] Process Ping Failed: 

1) Delete states directory in 

     /u01/app/middleware/instances/instance1/config/OPMN/opmn/

2) ' no address matched properties for the request' error message 

 Process Ping Failed: coreapplication_obisch1~OracleBISchedulerComponent~coreapplication_obisch1~1 (467413041:1854) [No addresses matched the properties for the request]

 [opmn] [ERROR:1] [] [libopmncustom] Process Ping Failed: 

Open opmn.xml (ORACLE_HOME/opmn/conf/opmn.xml) and look the ports which are already using kill the pid's and start opmn services 

ps -ef|grep 'opmn -d'|grep -v 'grep'

kill -9 <pid>

3)  Unknown error 1074200016
RPC response timeout
time out while waiting for a managed process to stop

Take a backup of the  

/u01/app/middleware/instances/instance1/config/OPMN/opmn/opmn/conf/opmn.xml file.

-  Edit the opmn.xml

and increase timeout start/ stop parameter in seconds

<start timeout="1200" retry="2"/>

<stop timeout="240"/>

<restart timeout="920" retry="2"/>

Oracle recommends that you shutdown OPMN before shutting down your computer. Use the opmnctl stopall command to stop OPMN and OPMN-managed processes.

On the Microsoft Windows operating system, you can use the Windows services control panel to stop OPMN and OPMN-managed processes.