Automatic JVM Upgarde in WebLogic 12.2.1.0.0 Without Disturbing End Users

Environment Details:
=================




1) Current JVM Version is  "1.8.0_65" and Planning to Upgrade it to "1.8.0_92"




2) Lets Place JVM Binaries "1.8.0_92" in Parallel With Old JVM on All Nodes.








3) Connect to AdminServer Using WLST

connect('weblogic','welcome1','t3://192.168.142.131:7001')



4) Execute Below WLST command for Upgrading JVM


progress=rolloutJavaHome('prod_domain','/oracle/jvm/jdk1.8.0_92')
progress.getStatus()

Note: Remember While Upgrading AdminServer Node Admin Console Will Not Be Available.After Upgrading JVM on Admin Node you will be able to access Admin Console(Everything Is Automatic Process)




5)  AdminServer node JVM is Upgraded to  "1.8.0_92" And Started Upgrading Managed Server ms2.





6) Managed Server ms2 Node JVM Upgraded to "1.8.0_92" And Started Upgrading Managed Server ms1.




7) JVM Up gradation Completed On All Nodes.


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