If you see OPP is Down with Actual Process is 0 And Target Process is 1 then do the following
1. Shutdown concurrent server via command adcmctl.sh under $COMMON_TOP/admin/scripts/<context_name>
3. To ensure concurrent manager down; check there is no FNDLIBR process running.
ps -ef | grep applmgr | grep FNDLIBR
4. Run adadmin to relink FNDSVC executable.
b. Choose option 2 (2. Maintain Applications Files menu)
c. Choose option 1 (1. Relink Applications programs )
d. Then type “FND” When prompted; ( Enter list of products to link (‘all’ for all products) [all] : FND )
e. Ensure adrelink is exiting with status 0
5. Start Concurrent Managers using adcmctl.sh