How To Apply/Install Patch Using Opatch Utility

How To Apply Patch To WebLogic 12C Home Using Opatch Utility?

From WebLogic 12.1.2 bsu utility was deprecated and opatch utility is used for patching.

Summary

1. Shut Down All Weblogic Services Before Applying Patch
2. Check Compatibility Of Opatch Utility Version and OUI
3. Export ORACLE_HOME and PATH
4. Determining What is Installed On Your System
5. Ensuring Patch Application Prerequisites are Met Using -report
6. Applying a Patch
7. Verify The Applied Patch Using lsinventory

1.Shut Down All Weblogic Services Before Applying Patch

   a) Stop Admin And Managed servers using Weblogic Admin Console

   b) Shut Down Nodemanager using stopNodeManager.sh OR Kill command

     cd /oracle/Middleware/user_projects/domains/prod_domain/bin
     ./stopNodeManager.sh

2. Check Compatibility Of Opatch Utility Version and OUI

     a) Checking opatch version

        cd /oracle/Middleware/OPatch
        ./opatch version

   b) Checking OUI Version

      cd /oracle/Middleware/oui
      cat oraparam.ini |grep -i oui_version

   Conclusion: Opatch and OUI versions are same so both are compatible to each other

   Note: To Apply Patch Using opatch Utility, the condition is OPatch version >=  OUI Version

3.Export ORACLE_HOME and PATH

    cd $DOMAIN_HOME/bin
     . ./setDomainEnv.sh
    ORACLE_HOME=/oracle/Middleware
    export ORACLE_HOME
    export PATH=$ORACLE_HOME/OPatch:$PATH

4.Determining What is Installed On Your System

     opatch lsinventory

    Conclusion: Currently no patches applied to the ORACLE_HOME

5.Ensuring Patch Application Prerequisites are Met Using -report

    -report option will not apply patch but it will check pre-requisites

     opatch apply -report /oracle/setup/patch/19637454

6.Applying a Patch

    opatch apply /oracle/setup/patch/19637454

7.Verify The Applied Patch Using lsinventory

    opatch lsinventory

 
    Conclusion: Patch 19637454 Was Installed Successfully

COMPLETED.............