JAVA UPGRADE STEPS :

NOTE: JDK 7 has reached Sustaining Support at the end of July 2022. However with Oracle EBS only JDK 7 is certified and supported untill the time of posting this blog

To Upgrade JDK : Via Oracle Java checker utility EJCPUC.sh to check recommendation of latest certified JAVA to deploy on your Target EBS Application Node

Download Latest certified java with EBS 12.2

Create Temporary Folder to upload Latest JDK on EBS App Server
mkdir -p /archive/Upg_Stuff/JDK_451/

ls -lrt
p37308812_170_451_Linux-x86-64.zip —-> 64 bit Java
p37308812_170_451_LINUX.zip —-> 32 bit Java

Extract both zip files one by one :
unzip p37308812_170_451_Linux-x86-64.zip
unzip p37308812_170_451_LINUX.zip

-rw-r–r–. 1 appluat dba 65789345 Dec 18 17:38 jdk-7u451-linux-x64.tar.gz
-rw-r–r–. 1 appluat dba 44697584 Dec 18 17:38 jdk-7u451-linux-x64.rpm
-rw-r–r–. 1 appluat dba 69117035 Dec 18 17:38 jdk-7u451-linux-i586.tar.gz
-rw-r–r–. 1 appluat dba 47324524 Dec 18 17:38 jdk-7u451-linux-i586.rpm

Remove rpm files or any other unwanted files that we do not plan to use :
rm -rf jdk-7u451-linux-x64.rpm
rm -rf jdk-7u451-linux-i586.rpm

[appluat@ebstest JDK_451]$ ls -lrt
-rw-r–r–. 1 appluat dba 65789345 Dec 18 17:38 jdk-7u451-linux-x64.tar.gz
-rw-r–r–. 1 appluat dba 69117035 Dec 18 17:38 jdk-7u451-linux-i586.tar.gz
-rw-r–r–. 1 appluat dba 110099293 Mar 25 09:48 p37308812_170_451_Linux-x86-64.zip
-rw-r–r–. 1 appluat dba 116029355 Mar 25 09:48 p37308812_170_451_LINUX.zip
[appluat@ebstest JDK_451]$

Extract further the extrcated tgz delivered by the zip files:
[appluat@ebstest JDK_451]$ tar -xzf jdk-7u451-linux-x64.tar.gz ( Extract 64 bit Java )

[appluat@ebstest JDK_451]$ ls -lrt
drwxr-xr-x. 7 appluat dba 4096 Dec 4 10:15 jdk1.7.0_451
-rw-r–r–. 1 appluat dba 65789345 Dec 18 17:38 jdk-7u451-linux-x64.tar.gz
-rw-r–r–. 1 appluat dba 69117035 Dec 18 17:38 jdk-7u451-linux-i586.tar.gz
-rw-r–r–. 1 appluat dba 110099293 Mar 25 09:48 p37308812_170_451_Linux-x86-64.zip
-rw-r–r–. 1 appluat dba 116029355 Mar 25 09:48 p37308812_170_451_LINUX.zip
[appluat@ebstest JDK_451]$
[appluat@ebstest JDK_451]$ mv jdk1.7.0_451 jdk64 ( Rename to required name of folder )
[appluat@ebstest JDK_451]$
[appluat@ebstest JDK_451]$ ls -lrt
total 442464
drwxr-xr-x. 7 appluat dba 4096 Dec 4 10:15 jdk64
-rw-r–r–. 1 appluat dba 65789345 Dec 18 17:38 jdk-7u451-linux-x64.tar.gz
-rw-r–r–. 1 appluat dba 69117035 Dec 18 17:38 jdk-7u451-linux-i586.tar.gz
-rw-r–r–. 1 appluat dba 110099293 Mar 25 09:48 p37308812_170_451_Linux-x86-64.zip
-rw-r–r–. 1 appluat dba 116029355 Mar 25 09:48 p37308812_170_451_LINUX.zip
[appluat@ebstest JDK_451]$

[appluat@ebstest JDK_451]$ tar -xzf jdk-7u451-linux-i586.tar.gz ( Extract 32 bit Java )
[appluat@ebstest JDK_451]$ ls -lrt
total 442464
drwxr-xr-x. 7 appluat dba 4096 Dec 4 10:15 jdk64
drwxr-xr-x. 7 appluat dba 4096 Dec 4 10:20 jdk1.7.0_451
-rw-r–r–. 1 appluat dba 65789345 Dec 18 17:38 jdk-7u451-linux-x64.tar.gz
-rw-r–r–. 1 appluat dba 44697584 Dec 18 17:38 jdk-7u451-linux-x64.rpm
-rw-r–r–. 1 appluat dba 69117035 Dec 18 17:38 jdk-7u451-linux-i586.tar.gz
-rw-r–r–. 1 appluat dba 47324524 Dec 18 17:38 jdk-7u451-linux-i586.rpm
-rw-r–r–. 1 appluat dba 110099293 Mar 25 09:48 p37308812_170_451_Linux-x86-64.zip
-rw-r–r–. 1 appluat dba 116029355 Mar 25 09:48 p37308812_170_451_LINUX.zip
[appluat@ebstest JDK_451]$
[appluat@ebstest JDK_451]$ mv jdk1.7.0_451 jdk32 ( Rename to required name of folder )
[appluat@ebstest JDK_451]$ ls -lrt
total 442460
drwxr-xr-x. 7 appluat dba 4096 Dec 4 10:15 jdk64
drwxr-xr-x. 7 appluat dba 4096 Dec 4 10:20 jdk32
-rw-r–r–. 1 appluat dba 65789345 Dec 18 17:38 jdk-7u451-linux-x64.tar.gz
-rw-r–r–. 1 appluat dba 44697584 Dec 18 17:38 jdk-7u451-linux-x64.rpm
-rw-r–r–. 1 appluat dba 69117035 Dec 18 17:38 jdk-7u451-linux-i586.tar.gz
-rw-r–r–. 1 appluat dba 47324524 Dec 18 17:38 jdk-7u451-linux-i586.rpm
-rw-r–r–. 1 appluat dba 110099293 Mar 25 09:48 p37308812_170_451_Linux-x86-64.zip
-rw-r–r–. 1 appluat dba 116029355 Mar 25 09:48 p37308812_170_451_LINUX.zip
[appluat@ebstest JDK_451]$

Navigate to COMMON_TOP/util
JDK 64 and 32 both should be here

cd /archive/8010_clone/ebiz/fs1/EBSapps/comn/util
rename the both the existing 32 and 64 bit JDK folders

mv jdk64 OFF_OLD_jdk64
mv jdk32 OFF_OLD_jdk32

cp -RH /archive/Upg_Stuff/JDK_451/jdk64 .
cp -RH /archive/Upg_Stuff/JDK_451/jdk32 .

Upgrade at FMW Webtier JDK 64
cd /archive/8010_clone/ebiz/fs1/FMW_Home/webtier
mv jdk OFF_OLD_jdk

cp -RH /archive/Upg_Stuff/JDK_451/jdk64 .
mv jdk64 jdk

Upgrade at FORMS 10.1.2 JDK ( Must be 32 bit only )

cd /archive/8010_clone/ebiz/fs1/EBSapps/10.1.2
mv jdk OFF_OLD_jdk

cp -RH /archive/Upg_Stuff/JDK_451/jdk32 .
mv jdk32 jdk

RELINK FORMS

cd $ORACLE_HOME/forms/lib
make -f ins_forms.mk sharedlib install

RELINK REPORTS
cd $ORACLE_HOME/reports/lib
make -f ins_reports.mk install

Run Autoconfig on Apps Tier
Make sure it is successfull

Verify 64 Bit Java Successfully deployed :
[appluat@ebstest JDK_451]$ $AFJVAPRG -version
java version “1.7.0_451”
Java(TM) SE Runtime Environment (build 1.7.0_451-b06)
Java HotSpot(TM) 64-Bit Server VM (build 24.451-b06, mixed mode)
[appluat@ebstest JDK_451]$

Verify 32 Bit Java Successfully deployed :
[appluat@ebstest JDK_451]$ cd $ORACLE_HOME
[appluat@ebstest 10.1.2]$ pwd
/archive/8010_clone/ebiz/fs1/EBSapps/10.1.2
[appluat@ebstest 10.1.2]$ cd jdk/bin
[appluat@ebstest bin]$ ./java -version
java version “1.7.0_451”
Java(TM) SE Runtime Environment (build 1.7.0_451-b06)
Java HotSpot(TM) Server VM (build 24.451-b06, mixed mode)
[appluat@ebstest bin]$
[appluat@ebstest bin]$

Make sure You are able to Launch Java Applet successfully after this Java Upgrade

Via Oracle Java checked utility EJCPUC.sh check status of latest certified JAVA Upgraded on EBS Application Node