Install and Deinstall Oracle Patches use Opatch command.

Opatch (Apply Oracle Patches )

Install and Deinstall Oracle Patches use Opatch command.
(After complete this demo you will able to Apply oracle Patches on Middleware home or Jdeveloper Home)

Download patches
1-      Download your patch from Oracle Support .

             Login to Oracle Support > Patches and Updates

·         Go to search tab and write your patch number or search criteria.

·         Download your patch .

2-      Create a new folder in OS root to locate your patch , and unzip  patch file  into this folder

                                          C:\OraclePatches

             
               ------------------------------------------------------------

Pre Installation

3-      Set System environment variable ORACLE_HOME

-          Weblogic set variable to  your middleware directory (For Weblogic )

          Oracle_Home =  [MW_HOME]\ oracle_common  

-          Jdeveloper set variable to you Jdeveloper Home

        Oracle_Home =   [Jdeveloper_HOME]\jdeveloper

4-      Stop All managed servers and Admin Server before apply patch. I prefer to backup your MW_HOME directory.

                If you apply patch in Jdeveloper ,  please shutdown Integrated Weblogic  and close Jdeveloper IDE.

5-      Open cmd Command and set your current directory to directory where your patch is located .

                   
                                     cd  C:\OraclePatches\21768703\oui

6-      Use Opatch Apply command to apply current patch .

(may you will face a conflict when applying the patch ,because patch already applied before )

                       C:\OraclePatches\21768703\oui>opatch apply –Jdk [JDK path]

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  Post Installation

7-      For Jdeveloper: Open Jdeveloper and clean project and rebuild, then start Integrated Weblogic and run and test your application after patch and check problem is resolved .

8-       For standalone Weblogic server : start Admin Server , then start node manager , then start Managed Server . and check your Problem is resolved .
      
          ------------------------------------------------------------


List Patches installed in your Oracle_Home

   
             to list all patches installed in your Oeracle_Home 

                  Open cmd command and write command

   
                                 /> Opatch lsinventory

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Deinstall patch  

1-      Stop All managed servers and Admin Server before apply patch . If you apply patch in Jdeveloper ,  please shutdown Integrated Weblogic  and close Jdeveloper IDE.

2-      Open cmd Command and set your current directory to directory where your patch is located .

cd  C:\OraclePatches\21768703\oui

3-      Use Opatch rollback  command to deinstall current patch .

C:\OraclePatches\21768703\oui>opatch rollback –Jdk [JDK path]

4-      Clean you all files in tmp folder in OS User Directory

Jdeveloper  :

  [JDEV_USER_DIR]\DefaultDomain\servers\DefaultServer\tmp\*

Middleware:

  [MW_HOME]/user_projects/domains/[DOMAIN_NAME]/servers/[SERVER NAME]/tmp/*

               ------------------------------------------------------------

Post DeInstallation

1-      For Jdeveloper: Open Jdeveloper and clean project and rebuild, then start Integrated Weblogic and run and test your application after patch and check problem is resolved .

2-       For standalone Weblogic server : start Admin Server , then start node manager , then start Managed Server . and check your Problem is resolved .