ORA-06512: at "APPS.FND_CP_GSM_IPC"

 Unable to Start “Output Post Processor” Concurrent Manager

After starting concurrent manager I noticed "Output Post Processor" did not start. I tried to start "Output Post Processor" using "Administrator Concurrent Manager" screen but it failed with given error in manager log file

OPP Manager Log

Unable to initialize state monitor.

oracle.apps.fnd.cp.gsm.GenCartCommException: ORA-01422: exact fetch returns more than requested number of rows

ORA-06512: at "APPS.FND_CP_GSM_IPC", line 539

ORA-06512: at line 1

at oracle.apps.fnd.cp.gsm.GenCartComm.initService(GenCartComm.java:233)

at oracle.apps.fnd.cp.gsm.GenCartComm.<init>(GenCartComm.java:80)

at oracle.apps.fnd.cp.gsf.GSMStateMonitor.init(GSMStateMonitor.java:74)

.0002730 secs]

[GC 3338K->1928K(4992K), 0.0002350 secs]

Solution:

Checked and found "Service Manager" was down.

Started "Service Manager" and then started "Output Post Processor".