JDK UPGRADE for weblogic 12.1.1.0.12

JDK UPGRADE for weblogic 12.1.1.0.12 :

1. Stop complete weblogic domain including Admin and managed server.
2. Take backup of below mentioned files before any change.


$ORACLE_HOME/oracle_common/common/bin/commEnv.sh
$ORACLE_HOME/wlserver/.product.properties
$ORACLE_HOME/utils/uninstall.sh
$DOMAIN_HOME/bin/setDomainEnv.sh
$DOMAIN_HOME/nodemanager/nodemanager.properties


3.Download jdk1.7.0_101(jdk-7u101-linux-x64.tar) from oracle support.


4.Replace path from /u9000/app/oracle/product/jdk1.7.0_25 to new path /u9000/app/oracle/product/jdk1.7.0_101 in below files.


$ORACLE_HOME/oracle_common/common/bin/commEnv.sh
$ORACLE_HOME/wlserver/.product.properties
$ORACLE_HOME/utils/uninstall.sh
$DOMAIN_HOME/bin/setDomainEnv.sh
$DOMAIN_HOME/nodemanager/nodemanager.properties


5.Restart all weblogic services and verify new jdk path by command "ps -ef|grep java"

while restarting if you get any issue with SSL, then we need to copy cacerts file from old jdk to new jdk and restart the all servcies.

ROLLBACK STEPS:
#
1.Stop all weblogic services.
2.Restore backup of JDK directory.
3.Restore the below files which has been backed up before upgrade.
$ORACLE_HOME/oracle_common/common/bin/commEnv.sh
$ORACLE_HOME/wlserver/.product.properties
$ORACLE_HOME/utils/uninstall.sh
$DOMAIN_HOME/bin/setDomainEnv.sh
$DOMAIN_HOME/nodemanager/nodemanager.properties
4.Restart all services.
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Upgrade Oracle Forms and Reports JDK to match with Weblogic Server JDK#

1. Shutdown all the Service on the Server
2. Move the Existing Oracle Forms and Reports JDK to a different name
mv /u9000/app/oracle/product/fmw/Oracle_FRHome1/jdk /u9000/app/oracle/product/jdk1.7.0_25/old_java
3. Copy the Weblogic JDK to the Oracle Forms and Reports Home
cp -rp /u9000/app/oracle/product/jdk1.7.0_25 /u9000/app/oracle/product/fmw/Oracle_FRHome1
mv /u9000/app/oracle/product/fmw/Oracle_FRHome1/jdk1.7.0_25 /u9000/app/oracle/product/fmw/Oracle_FRHome1/jdk
4. Restart the Services on the Server