WebLogic Server 12.1.3 PSU Jan 2018 Patch 27057030 (or Newer) Conflicts with Previous PSU Oct 2017 Patch 26519417
(Doc ID 2357015.1)
Last updated on MARCH 28, 2021
Applies to:Oracle WebLogic Server - Version 22.214.171.124.0 to 126.96.36.199.0 [Release 12c]
Information in this document applies to any platform.
OPatch is the utility used to apply and rollback one-off patches and Patch Set Updates (PSU) to Oracle WebLogic Server (WLS) 12c.
Problem: Applied PSU <Patch 26519417> for October 2017. Now attempting to apply PSU <Patch 27057030> for January 2018 (or newer) and receiving a conflict message from OPatch.
Since PSUs are intended to be cumulative, OPatch is incorrectly reporting a conflict:
INFO: Install area Control created with access level 0
Applying interim patch '27057030' to OH '/opt/Oracle/Middleware_12_1.3'
Patch [ 27057030 ] conflict with patch(es) [ 26519417 ] in the Oracle Home.
To resolve patch conflicts please contact Oracle Support Services.
If you continue, patch(es) [ 26519417 ] will be rolled back and the new Patch [ 27057030 ] will be installed.
The EXPECTED message is a superset, not a conflict:
Interim patch 27057030 is a superset of the patch(es) [ 26519417 ] in the Oracle Home
OPatch will roll back the subset patches and apply the given patch.
All checks passed.
Rolling back interim patch '26519417' from OH '<MIDDLEWARE_HOME>'
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