My Oracle Support Banner

datapatch reports error "ORA-04021: timeout occurred while waiting to lock object SYS.DBMS_AQ" after appying PSU/RU (Doc ID 2603604.1)

Last updated on MAY 01, 2020

Applies to:

Oracle Database - Enterprise Edition - Version 12.2.0.1 and later
Information in this document applies to any platform.

Symptoms

While running datapatch with Apr19 RU 190416 applied,it runs for a longer than usual time (over 30 mins) then eventually ORA-04021 errors.

Workaround is to put the DB and all containers in restricted mode, reapply failed patches with Datapatch and restart DB.

CREATE OR REPLACE PACKAGE BODY dbms_aq wrapped
*
ERROR at line 1:
ORA-04021: timeout occurred while waiting to lock object SYS.DBMS_AQ

alter package SYS.DBMS_UTILITY compile body reuse settings
*
ERROR at line 1:
ORA-04021: timeout occurred while waiting to lock object SYS.DBMS_UTILITY

 

Changes

 

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Symptoms
Changes
Cause
Solution
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.