Step 1:
1. Open ODSM
2. Click Advanced tab
3. Click/Expand Global Plugin
4. Click on the button to Create Plug-in
5. For Name put for ex. myDumpTr
6. For Class choose DumpTransactions
7. Click on the button Create Parameter
8. For Name write loglevel
9. For Value write FINEST
10.Cick Ok
Step 2:
1. Open Oracle Enterprise Manager, access http://<host>:<port>/em login with user name Weblogic (or whatever other user that you choose for admin)
2. Expand -> Farm_<name>Domain -> Identity and Access right click ovd1 ->choose Logs -> Log Configuration
3. Click Log Levels tab
For Logger Name -- com.octetstring.accesslog choose TRACE:32 (FINEST)
For Logger Name -- com.octetstring.vde choose TRACE:32 (FINEST)
4. Click Apply
5. Click Close in Confirmation dialog box
Stop OVD:
$ORACLE_INSTANCE/bin/opmnctl stopproc ias-component=ovd1
Start OVD:
$ORACLE_INSTANCE/bin/opmnctl startproc ias-component=ovd1
Check logs in $ORACLE_INSTANCE/diagnostics/logs/OVD/ovd1/ location