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Oracle Apps Log Files Locations in R12

Autoconfig log file:

$ORACLE_HOME/appsutil/log/$CONTEXT_NAME/adconfig.log $ORACLE_HOME/appsutil/log/$CONTEXT_NAME/NetServiceHandler.log

Startup/Shutdown Log files:


Apache, OC4J and OPMN:


Patch log:

Workflow Mailer log:

Concurrent log:

OAM (Oracle Application Manager) log:

Clone log:

Preclone log files in source instance

$INST_TOP/apps/$CONTEXT_NAME/admin/log/ (StageAppsTier_MMDDHHMM.log)


Clone log files in target instance:

Apps :


– Alert Log File:

Concurrent OUT Directory:
APPL_TOP – this is the top level directory for the Applications
  • $APPLCSF – the top level directory where the concurrent manager stores the log and out files of concurrent requests
  • $APPLCSF/$APPLLOG – concurrent request log files( As describe above)
  • $APPLCSF/$APPLOUT – concurrent request out files( As describe above)
  • $APPLTMP – Applications temporary files
  • $APPLPTMP – PL/SQL temporary files   or /usr/tmp (default tmp directory)
Startup and shutdown messages:
–Startup/Shutdown error message related to tech stack (10.1.2, 10.1.3 forms/reports/web)
$INST_TOP/logs/ora/ (10.1.2 & 10.1.3)
$INST_TOP/logs/ora/10.1.3/opmn/ (OC4J~…, oa*, opmn.log)$INST_TOP/apps/$CONTEXT_NAME/logs/ora/10.1.2/network/ (listener log)
$INST_TOP/logs/appl/conc/log (CM log files)
Other log files in R12

1) Database Tier
1.1) Relink Log files :

1.2) Alert Log Files :

1.3) Network Logs :

1.4) OUI Logs :
OUI Inventory Logs :

2) Application Tier


Tech Stack Patch 10.1.3 (Web/HTTP Server)

Patching related log files in R12 :
Application Tier– adpatch log – $APPL_TOP/admin//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 – $ORACLE_HOME/.patch_storage
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