Question: how to apply ojvm patch?
Answer: STEP 2: Check supported OPatch utility version before applying this patch. ...  Goto ORACLE_HOME and backup the existing OPatch folder. ...  Unzip the opatch. ...  Check the version. ...  STEP 3: Check conflicts against oracle home. ...  STEP 4: Shutdown database and the listener. ...  STEP 5: Backup ORACLE_HOME and inventory.