in Apps you want to find out why the concurrent program failed or to view the request log of the concurrent program.
To view the log goto:
on the App tier:
log in as applmgr:
and then under log --> log files
under out --> any out files if there are.
drwxr-xr-x 2 applmgr oinstall 3964928 May 31 14:53 log
drwxr-xr-x 2 applmgr oinstall 4251648 May 31 14:53 out