install Coherence 3.7.1 at OAM 11gr2PS1

Upgrade instructions to install Coherence 3.7.1.x on OAM 11gr2PS1:

1. Download recommended coherence patch from Oracle
2. Shutdown all the servers.
3. On the each Server including the admin server, do the following.
   1. Unzip the contents of the patch to tmp folder.
   2. Backup the jar that exists at the location  MW_HOME/oracle_common/modules/oracle.coherence/coherence.jar
   3. copy the jar tmp/coherence/lib/coherence.jar to the folder  MW_HOME/oracle_common/modules/oracle.coherence
   4. Backup the folder /config and all its nested contents.
4. Start the Admin Server
5. Log into weblogic console
6. Lock configuration
7. Select Deployments and locate the coherence library
8. Select the library and press the Delete button.
9. Release Configuration and apply changes.
10. Lock configuration
11. Select Deployments and press the Install button.
12. Select the coherence jar in the file path. Ensure that the library name is "coherence". Hit the next button till you finish deployments.
13. Save and release the configuration.
14. Stop And Start the Admin Server. Verify the the oam_admin deployment is started.

Steps to recovery on failure to install.

1. Stop all servers.
2. Restore the /config folder.
3. Restore the coherence.jar.
4. Restart.