By using EMCA we can drop entire existing repository. $emca –deconfig dbcontrol db –repos drop STEP 8: Oracle WebLogic Server Patch Requirements. Ensure that you apply patch ID WDJ7 on Oracle WebLogic Server using the Oracle Smart Update utility. This patch fixes bugs 8990616, 9100465, and 9221722. For information on applying this patch, see
OEM, GRID manager implementations & troubleshooting.