Oracle Fusion Middleware, including WebLogic Server instance 12c, generate diagnostic log file which contains messages that record all types of events, including startup and shutdown information, errors, warning messages, access information on HTTP requests, and so on. Each log message includes specific information such as time, component ID, and user to assist you in checking and diagnosing problems that arise.
To check weblogic diagnostic logfile login to the particular weblogic server and identify DOMAIN_HOME for the particular doamain.
The Location for various Logfile is :
Domain Log: /DOMAIN_HOME/servers/AdminServer/logs/DMWDomain.log
Diagnostic Log for each server: /DOMAIN_HOME/server/server_name/logs/servername-diagnostic.log
WLS Log: /DOMAIN_HOME/server/server_name/logs/server_name.log
Out File: /DOMAIN_HOME/server/server_name/logs/.out
Example:
ORACLE_HOME=/u01/common/patches/app/orahow/oracle/middleware/Oracle_Home [oracle@orahow logs]$ cd /user_projects/domains/DMWDomain/servers/DMWServer1/logs [oracle@orahow logs]$ pwd /u01/common/patches/app/orahow/oracle/middleware/Oracle_Home/user_projects/domains/DMWDomain/servers/DMWServer1/logs [oracle@orahow logs]$ ls -lrt -rw-r-----+ 1 oracle oinstall 5257021 May 27 11:00 DMWServer1.log00015 -rw-r-----+ 1 oracle oinstall 10480277 May 27 11:03 DMWServer1-diagnostic-47.log -rw-r-----+ 1 oracle oinstall 10480372 May 27 11:07 DMWServer1-diagnostic-48.log -rw-r-----+ 1 oracle oinstall 5262625 May 27 11:09 DMWServer1.log00016 -rw-r-----+ 1 oracle oinstall 10484834 May 27 11:11 DMWServer1-diagnostic-49.log -rw-r-----+ 1 oracle oinstall 10485561 May 27 11:15 DMWServer1-diagnostic-50.log -rw-r-----+ 1 oracle oinstall 10485589 May 27 11:19 DMWServer1-diagnostic-51.log -rw-r-----+ 1 oracle oinstall 10485318 May 27 11:24 DMWServer1-diagnostic-52.log -rw-r-----+ 1 oracle oinstall 5078839 May 27 11:24 access.log -rw-r-----+ 1 oracle oinstall 1670768 May 27 11:26 DMWServer1-diagnostic.log -rw-r-----+ 1 oracle oinstall 3820602 May 27 11:26 DMWServer1.log