AutoPatch error: ORA-03114: not connected to ORACLE

Error :

AutoPatch error:
adptaskGetTaskStatusID: Error while selecting from table AD_TASK_STATUS

AutoPatch error:
ORA-03114: not connected to ORACLE


AutoPatch error:
adptaskPostpatchTiming: Error calling adptaskGetTaskStatusID()


AutoPatch error:
adpmrp: Error calling adptaskPostpatchTiming for task Relink executables.


You should check the file
/r12uat1app/PROJ4/apps/apps_st/appl/admin/PROJ4/log/adpatch.log

for errors.

Solution :

Check the Database and listener is up and running (or) passwords may be wrong for apps/system while applying patch