Below list of  log file locations could be helpful for your issue:

Before start please notice PROD is my SID

- Start/Stop script log files

$COMMON_TOP/admin/log/SID_HOTSNAME/

You can find below txt in this path:
adadmat.txt adalnctl.txt adcmctl.txt adfmcctl.txt adupdbid.txt
adadmprf.txt adapcctl.txt addisctl.txt adfmsctl.txt adupdlobs.txt

For to can check adstrtal.sh, adstpall.sh  scripts log file, you can use same path.

For those sh, The log file creation sytax is:
dd=`date ‘+%m%d%H%M’`
LOGFILE=/xx/SIDcomn/admin/log/VIS_linuxblade/”$dd”.log;

When you run adstpall.sh it will end like below:

All enabled services on this node are stopped.
Check logfile /xxx/SIDcomn/admin/log/SID_HOSTNAME/08051007.log for details

- Apache, Jserv, JVM log files

$IAS_ORACLE_HOME/Apache/Apache/logs/ssl_engine_log
$IAS_ORACLE_HOME/Apache/Apache/logs/ssl_request_log
$IAS_ORACLE_HOME/Apache/Apache/logs/access_log
$IAS_ORACLE_HOME/Apache/Apache/logs/error_log
$IAS_ORACLE_HOME/Apache/JServ/logs

- Concurrent log file:

$APPL_TOP/admin/PROD/log or $APPLLOG/$APPLCSF

- Patch log file:

$APPL_TOP/admin/PROD/log

- Worker Log:

$APPL_TOP/admin/PROD/log

- Autoconfig log:

Appl:

$APPL_TOP/admin/SID_Hostname/log//DDMMTime/adconfig.log

Db:

$ORACLE_HOME/appsutil/log/SID_Hostname/DDMMTime/adconfig.log

- Error log:

Appl:

$APPL_TOP/admin/PROD/log

Db taraf?nda:

$ORACLE_HOME/appsutil/log/SID_Hostname

- Alert Log File:
$ORACLE_HOME/admin/$CONTEXT_NAME/bdump/alert_$SID.log

- Trace file:

$ORACLE_HOME/admin/SID_Hostname/udump

Reference:

Oracle® Application Server Quick Administration Guide 10g Release 2 (10.1.2)

Oracle Applications System Administrator’s Guide

source:http://heliosguneserol.wordpress.com/2010/04/13/log-file-location-for-oracle-e-business-suite-r11/