JAVA For WebLogic

 JAVA For WebLogic:

Major Providers of JAVA:

Sun JDK Sun java for Weblogic 12c & Tomcat

IBM JDK IBM Java for Websphere

JRockit JDK Oracle java for weblogic 8x 9x 10x 11x

Open JDK Redhat java for JBOSS

JROCKIT as our JAVA. Version 1.6

Sun JDK as our JAVA. Version 1.7

JAVA Installation: CLI

Go to the location.

cd /opt/software/java 

Extract the tar file of the JDK 1.7.0_51

$ tar -xvf java_1.7_64.tar

JAVA Installation:

$ tar -xvf java_1.7_64.tar

$ mv /opt/software/java/java /opt/

Uninstallation of Java /opt/java: 

$ rm -rf /opt/java

Post installation of JAVA:

Checking the version of JAVA:

$ /opt/java/bin/java -version

java version "1.7.0_51"

Java(TM) SE Runtime Environment (build 1.7.0_51-b13)

Java HotSpot(TM) Client VM (build 24.51-b03, mixed mode)

Setting up Environment Variable for JAVA:

$ set PATH=/opt/java/bin/:$PATH

$ export PATH=/opt/java/bin/:$PATH

$ java -version

java version "1.7.0_51"

Java(TM) SE Runtime Environment (build 1.7.0_51-b13)

Java HotSpot(TM) 64-Bit Server VM (build 24.51-b03, mixed mode)

TO make a permanent entry, * Add only highlighted. Do the set & export in the following file! 

# /etc/bashrc

# System wide functions and aliases

# Environment stuff goes in /etc/profile

Vi /etc/bashrc (Root User)

 

# Environment stuff goes in /etc/profile

# By default, we want this to get set.

# Even for non-interactive, non-login shells.

if [ $UID -gt 99 ] && [ "`id -gn`" = "`id -un`" ]; then

 umask 002

else

 umask 022

fi

set PATH=/opt/java/bin/:$PATH

export PATH=/opt/java/bin/:$PATH

# are we an interactive shell?

if [ "$PS1" ]; then

 case $TERM in

 xterm*)

 if [ -e /etc/sysconfig/bash-prompt-xterm ]; then

 PROMPT_COMMAND=/e

 

 Note: Restart your system / server.

Thank You!

Vijayarathinam