If the processes do not match for Output Post Processor

CONCURRENT_QUEUE_NAME RUNNING_PROCESSES TARGET_PROCESSES MAX_PROCESSES MIN_PROCESSES
-------------------- ----------------- ---------------- ------------- -------------
FNDCPOPP 6 3 3 3

Check Internal Manager log

Starting FNDCPOPP Concurrent Manager : 14-APR-2015 17:26:18
Starting FNDCPOPP Concurrent Manager : 14-APR-2015 17:26:18
Starting FNDCPOPP Concurrent Manager : 14-APR-2015 17:26:18
Process monitor session started : 15-APR-2015 14:05:45
Internal Concurrent Manager found node APPROD to be down. Adding it to the list of unavailable nodes.
Internal Concurrent Manager found node DBPROD to be down. Adding it to the list of unavailable nodes.
CONC-SM TNS FAIL
Call to PingProcess failed for XDPCTRLS
CONC-SM TNS FAIL
Call to PingProcess failed for XDPQORDS

Call to PingProcess failed for FNDOPP
CONC-SM TNS FAIL
Call to PingProcess failed for FNDOPP
CONC-SM TNS FAIL
Call to PingProcess failed for FNDOPP

Starting FNDCPOPP Concurrent Manager : 15-APR-2015 14:08:11
Starting FNDCPOPP Concurrent Manager : 15-APR-2015 14:08:11
Starting FNDCPOPP Concurrent Manager : 15-APR-2015 14:08:12

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Navigate to:
System Administrator > Concurrent > Program > Define > Query the program name
Copy the executable name

Navigate to:
System Administrator > Concurrent > Program > Executable
Query the copied executable name
Executable File Name is the name of the RDF

SELECT APPLICATION_NAME,'$'||BASEPATH||'/'||'reports/US' Reports_Path,EXECUTION_FILE_NAME FROM APPS.FND_EXECUTABLES_VL A, APPS.FND_APPLICATION_VL B WHERE EXECUTION_METHOD_CODE='P' AND A.APPLICATION_ID=B.APPLICATION_ID AND EXECUTION_FILE_NAME like '%&RDF_NAME%';

Enter value for rdf_name: GLXCAR

APPLICATION_NAME: General Ledger
REPORTS_PATH: $GL_TOP/reports/US
EXECUTION_FILE_NAME: GLXCAR

Applies To:-

Oracle Applications Framework - Version 12.0.0 to 12.1.3 [Release 12 to 12.1]
 

Solution:-

To implement this there are 2 actions required:
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There are reporting programs and data updating programs that need to run either periodically, or on an ad hoc basis. These programs, which run in the background while users continue to work on other tasks are run using the Concurrent Processing architecture. Concurrent Processing is an Oracle E-Business Suite feature that allows these non–interactive and potentially long-running functions to be executed efficiently alongside interactive operations on a specialized server, the Concurrent Processing Server.
Processes that run on the Concurrent Processing server are called Concurrent Requests.
When you submit such a request, either through HTML-based or Forms-based applications, a row is inserted into a database table specifying the program to be run. A Concurrent Manager then reads the applicable requests in the table, and starts the associated concurrent program.
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