THIS IS THE LOOK OF MY CURRENT ENVIRONMENT BEFORE THE UPGRADE.
ANOTHER LOOK OF MY ENVIRONMENT BEFORE UPGRADE.
- Admin server and server1 is running on host01
- server2 is running on host02
- Both servers are member of cluster1
- Nodemanager is configure for both machines to start/stop manage servers
- LET’S START THE UPGRADE PROCESS. I HAVE DOWNLOADED AND PLACED JAVA 8 AND WEBLOGIC BINARIES UNDER /u01/software folder. JAVA 8 IS REQUIRED FOR WEBLOGIC 12.2
- LET’S INSTALL JAVA 8 ON BOTH MACHINES. NEW JAVA IS INSTALLED MARK IN RED.
- NOW UPDATE THE NEW JAVA PATH WITH CORRECT VALUE:
4. NEXT INSTALL WEBLOGIC 12.2 BINARIES IN NEW MIDDLEWARE HOME. I HAVE CREATED NEW DIRECTORY STRUCTURE FOR MW_HOME AS FOLLOWING /u01/app/fmw12.2 PLEASE PICK DIRECTORY STRUCTURE AS PER YOUR ENVIRONMENT.
5. NOW START INSTALLING BINARIES IN NEW MW_HOME. MAKE SURE X WINDOWS IS CONFIGURE ON BOTH BOXES UNLESS YOU
KNOW HOW TO DO SILENT INSTALL. I HAVE X WINDOWS CONFIGURE SO THAT IS WHAT I WILL BE USING.
CLICK NEXT HERE
TAKE DEFAULT AND CLICK NEXT
GIVE NEW MW_HOME THAT WAS CREATED AND CLICK NEXT
LEAVE DEFAULT VALUE AND CLICK NEXT
I HAVE OLD VERSION OF LINUX SO INSTALLER IS WARNING ME THAT “ORACLE SOFTWARE IS CERTIFIED WITH CURRENT OS VERSION.” I WILL IGNORE AND CLICK NEXT
I WILL UNCHECK ” I WISH TO RECEIVE SECURITY UPDATE VIA MY ORACLE SUPPORT” AND CLICK NEXT AND THEN CLICK YES
CLICK INSTALL
INSTALLATION STARTED
BINARY INSTALLATION COMPLETED CLICK FINISH
NOW GO TO host01 where is your domain and admin server recited and initiate the upgrade process from new HOME that just got created. Run reconfigure.sh script from MW_HOME/oracle_common/common/bin as following and click next
click Next here
click Next here. Please note new Java version 8 that is shown being selecte
WE DON’T TO MODIFY ANYTHING. CLICK NEXT
NEXT PAGE WILL PROVIDE YOU SUMMARY OF COMPONENTS. CLICK on reconfigure
RECONFIGURATION WIZARD STARTED
UPGRADE ON host01 COMPLETED. CLICK NEXT
YOU WILL SEE “END Of Configuration screen.” CLICK FINISH
NOW THE CONFIGURATION CHANGES I HAVE MADE TO UPGRADE host02 HAVE WORKED FOR ME. SO HERE ARE THE STEPS
ON host02 MACHINE GO TO DOMAIN_HOME AND MAKE COPY OF EXISTING DOMAIN FOLDER. I HAVE MADE A COPY AND NAMED IT WITH OLD DOMAIN VERSION AS SHOW BELOW MARK IN RED “wlsadmin_12.1.2.0”
NOW MOVE THE ENTIRE DOMAIN FOLDER FROM host01 machine to host02 AS SHOW BELOW
ONCE THE WHOLE DIRECTORY GET COPIED ON host02 machine. GO TO DOMAIN_HOME/NODEMANAGER FOLDER AND edit the nodemanager.properties FILE AND CHANGE HOST NAME ENTRY FROM host01 to host02 AND SAVE THE CHANGES. 
SAVE CHANGES ONCE DONE MAKING IN nodemanager.properties FILE AND START THE SERVICES. ONCE SERVER COMES UP YOU SHOULD SEE NEW VERSION OF WEBLOGIC STATED IN ADMIN CONSOLE AS SHOW BELOW. 
UPGRADED COMPLETED.