12CR1 Database JRE Upgrade version 6 to version 7 64bit

 Note: It’s a conditional but in Oracle- EBS R 12.2 using latest jdk 7 and and jre 7 thant`s why we are doing upgrade Database Tier level jre. Upgrade book is referring this Certified Document for Jre Upgrade. “Using the Latest JDK 7.0 Update with Oracle E-Business Suite Release 12.2 (Doc ID 1530033.1)”.

Review & Download certified version of JRE 7

Step-1  

Section 9: Upgrading to Latest JRE 7.0 on Database Tier Node

Step 9.1: Download Latest JRE 7.0 Update

Note: All Java SE Downloads on MOS (Doc ID 1439822.1) download jre from this note and patch below mention.

p15869354_170100_Linux-x86-64.zip

Unzip Patch/un-tar and Rename All JRE Directories in Database Tier Level

Step-2

Step 9.2: Replace JRE Home Used With Oracle E-Business Suite Release 12.2

$ cd $ORACLE_HOME/appsutil

$ cd bin/

$ ./java -version

java version "1.6.0_75"

Java(TM) SE Runtime Environment (build 1.6.0_75-b13)

Java HotSpot(TM) 64-Bit Server VM (build 20.75-b01, mixed mode)

$ cd $ORACLE_HOME/appsutil

$ mv jre/ jre_1.6_old

Note: Above step is enough as per oracle recommendation and documentation but we will perform some extra step for save side because jre is exist other than two locations.

$ cd /u02/oracle/db/tech_st/12.1.0/appsutil/jdk

$ mv jre/ jre_1.6_old

$ cd $ORACLE_HOME/jdk

$ mv jre/ jre_1.6_old

$ cd /u01/install/patches/dbs/jdk_jre/

$ unzip -o p15869354_170100_Linux-x86-64.zip

$ tar -xvf  jre-7u10-linux-x64.tar.gz

$ ls

jdk-7u10-linux-x64.rpm jdk-7u10-linux-x64.tar.gz  jre1.7.0_10  jre-7u10-linux-x64.rpm  jre-7u10-linux-x64.tar.gz  p15869354_170100_Linux-x86-64.zip  readme.txt

Copy JRE Directory in Database Tier Level  

Step-3

$ cp -rf jre1.7.0_10/ $ORACLE_HOME/appsutil

$ cd $ORACLE_HOME/appsutil

$ mv jre1.7.0_10/ jre

$ cd /u01/install/patches/dbs/jdk_jre/

$ cp -rf jre1.7.0_10 /u02/oracle/db/tech_st/12.1.0/appsutil/jdk

$ cd /u02/oracle/db/tech_st/12.1.0/appsutil/jdk

$ mv jre1.7.0_10/ jre

$ cd /u01/install/patches/dbs/jdk_jre/

$ cp -rf jre1.7.0_10/ $ORACLE_HOME/jdk

$ cd $ORACLE_HOME/jdk

$ ls

bin  COPYRIGHT  include  jre_1.6_old  jre1.7.0_10  lib  LICENSE  README.html  THIRDPARTYLICENSEREADME.txt

$ mv jre1.7.0_10 jre

JRE Version Verification

Step-4

Section 10: Verify JRE Installation on Database Tier Node

$ cd $ORACLE_HOME/appsutil

$ cd jre/bin/

$ ./java -version

java version "1.7.0_10"

Java(TM) SE Runtime Environment (build 1.7.0_10-b18)

Java HotSpot(TM) 64-Bit Server VM (build 23.6-b04, mixed mode)