Log Files Location In Oracle Apps

The various log files and its location:

Database Tier Logs
Alert Log File location:$ORACLE_HOME/admin/$CONTEXT_NAME/bdump/alert_$SID.log

Trace file location:$ORACLE_HOME/admin/SID_Hostname/udump

Network Logs :$ORACLE_HOME/network/admin/$SID.log

OUI Inventory Logs :$ORACLE_HOME/admin/oui/$CONTEXT_NAME/oraInventory/logs

Application Tier Logs

For Oracle Apps 11i

Start/Stop script log files location:$COMMON_TOP/admin/log/CONTEXT_NAME/

OPMN log file location$ORACLE_HOME/opmn/logs/ipm.log

Apache, Jserv, JVM log files locations:$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
$LOG_HOME/ora/10.1.3/Apache

Concurrent log file location:$APPL_TOP/admin/PROD/log or $APPLLOG/$APPLCSF

Patch log file location:$APPL_TOP/admin/PROD/log

Developer (Developer/Forms & Reports 10.1.2) Patch
$ORACLE_HOME/.patch_storage

Web Server (Apache) patch
$IAS_ORACLE_HOME/.patch_storage

Database Tier opatch log
$RDBMS_ORACLE_HOME/.patch_storage

Worker Log file location:$APPL_TOP/admin/PROD/log

AutoConfig log files location:Application Tier:$APPL_TOP/admin/SID_Hostname/log//DDMMTime/adconfig.log

Database Tier:$ORACLE_HOME/appsutil/log/SID_Hostname/DDMMTime/adconfig.log

Error log file location:Application Tier:$APPL_TOP/admin/SID/log

Database Tier :$ORACLE_HOME/appsutil/log/SID_Hostname

Oracle Apps R12

Log file location

$LOG_HOME =$INST_TOP/logs
Concurrent Reqeust related logs$LOG_HOME/appl/conc - > location for concurrent requests log and out files
$LOG_HOME/appl/admin - > location for mid tier startup scripts log files

Apache Logs
$LOG_HOME/ora/10.1.3/Apache - > Location for Apache Error and Access log files
$LOG_HOME/ora/10.1.3/j2ee - > location for j2ee related log files
$LOG_HOME/ora/10.1.3/opmn - > location for opmn related log files

Forms & Reports related logs
$LOG_HOME/ora/10.1.2/forms
$LOG_HOME/ora/10.1.2/reports

Startup/Shutdown Log files location:$INST_TOP/apps/$CONTEXT_NAME/logs/appl/admin/log

Patch log files location:$APPL_TOP/admin/$SID/log/

Clone and AutoConfig log files location
in Oracle E-Business Suite Release 12

Logs for the adpreclone.pl:
On the database tier:
RDBMS $ORACLE_HOME/appsutil/log/< context >/StageDBTier_< timestamp >.log

On the application tier:
$INST_TOP/admin/log/StageAppsTier_< timestamp >.log

Logs for the admkappsutil.pl

On the application tier: $INST_TOP/admin/log/MakeAppsUtil_< timestamp >.log

Logs for the adcfgclone.pl are located:

On the database tier:
RDBMS $ORACLE_HOME/appsutil/log/< context >/ApplyDBTier_< timestamp >.log

On the application tier: $INST_TOP/admin/log/ApplyAppsTier_< timestamp >.log
.
Logs for the adconfig are located:

On the database tier: RDBMS $ORACLE_HOME/appsutil/log/< context >/< timestamp >/adconfig.log
RDBMS $ORACLE_HOME/appsutil/log/< context >/< timestamp >/NetServiceHandler.log

On the application tier: $INST_TOP/admin/log/< timestamp >/adconfig.log
$INST_TOP/admin/log/< timestamp >/NetServiceHandler.log