Applying Patch 21364493: WLS PATCH SET UPDATE 12.1.2.0.7
- Download and unzip Patch 21364493 (p21364493_121200_Generic.zip) onto the server where patch is to be applied.
- Ensure all patch pre-requisites documented in patch README file are met before applying the patch
- Unzip the patch
unzip -d PATCH_TOP p21364493_121200_Generic.zip
where PATCH_TOP is the staging area on the server with appropriate permissions
- Set environment variables:
export ORACLE_HOME=<oracle_home_path>
export JAVA_HOME=<java_home_path>
Apply latest Opatch
- Check for the current Opatch version and apply latest OPatch Patch if required
$ opatch version
$ cd $ORACLE_HOME
$ mv OPatch OPatch_<ddmmyy>
$ unzip /sid/PATCH_TOP/p6880880_131000_Generic.zip
$ export PATH=$ORACLE_HOME/OPatch:$PATH
$ opatch version
- Validate OUI inventory
$ opatch lsinventory -jdk $JAVA_HOME
Apply WLS PSU 12.1.2.0.7 Patch 21364493 for WLS 12.1.2
$ cd /sid/PATCH_TOP/21364493
$ opatch apply -jdk $JAVA_HOME
- Verify if patch was applied
$ opatch lsinventory -jdk $JAVA_HOME
- Start mid-tier services and perform post patching health checks
Patch rollback
Post 21364493: WLS PATCH SET UPDATE 12.1.2.0.7 patching, if any issues are encountered and a rollback is required, follow below steps
- Stop mid-tier services
- cd <PATCH_TOP>/21364493
- Run OPatch to deinstall the patch.
$ opatch rollback -id 21364493 -jdk $JAVA_HOME
- Start services
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