JDK is the environment to develop Java programs, and updating Java on Linux boxes is a requirement which often comes up. The following lists the steps required to update the JDK from version 1.6.0_22 to 1.7.0_21.
Step 1: Download the JDK rpm from the following link:
https://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html
Step 2: The current JDK version is:
[root@test software]# java -versionjava version “1.6.0_22”
OpenJDK Runtime Environment (IcedTea6 1.10.4) (rhel-1.41.1.10.4.el6-i386)
OpenJDK Client VM (build 20.0-b11, mixed mode)
Step 3: Run the following command to update the JDK:
rpm -Uvh jdk-7u21-linux-i586.rpm
[root@test software]# rpm -Uvh jdk-7u21-linux-i586.rpmPreparing… ########################################### [100%] 1:jdk ########################################### [100%] Unpacking JAR files…
rt.jar…
jsse.jar…
charsets.jar…
tools.jar…
localedata.jar…
plugin.jar…
javaws.jar…
deploy.jar…
Step 4: Check the version:
[root@test software]# java -versionjava version “1.6.0_22”
OpenJDK Runtime Environment (IcedTea6 1.10.4) (rhel-1.41.1.10.4.el6-i386)
OpenJDK Client VM (build 20.0-b11, mixed mode)
Step 5: So the version is still pointing to the old one. We have to use the alternatives here to update the version. The newly installed Java is at this location /usr/java/jdk1.7.0_21/ :
[root@test bin]# pwd/usr/java/jdk1.7.0_21/bin [root@test bin]# /usr/sbin/alternatives –install /usr/bin/java java /usr/java/jdk1.7.0_21/bin/java 17021
Step 5: Now it should point to the latest version:
[root@test bin]# java -versionjava version “1.7.0_21”
Java(TM) SE Runtime Environment (build 1.7.0_21-b11)
Java HotSpot(TM) Client VM (build 23.21-b01, mixed mode, sharing)
That’s it !!!
8 Comments. Leave new
Good post! Is the JDK not available in the yum repository?
Hi Jimmy, thanks for the comments. I tried downloading it first from yum repository of OEL, but it wasn’t there.
Good post – exactly what I was looking for.
Request, an update;
yum nor rpm works on my linux box, as the RHEL is not registered.
So the only alternatives I have is using a tar.gz ball.
So please can you update your article (to include upgrading jdk using a .tar.gz ball)
thank you.
/usr/sbin/alternatives –install /usr/bin/java java /usr/java/jdk1.7.0_21/bin/java 17021
I could not understand why we are passing 17021?
Really Good Post !! It helps me
hi am using Linux 4 Update 8
and i have installed jdk 1.7 on my previous version 1.4 but when i type
#java -version
showing
[root@gdqas java]# java -version
Error: dl failure on line 863
Error: failed /usr/java/jdk1.7.0_51/jre/lib/i386/server/libjvm.so, because /lib/tls/libc.so.6: version `GLIBC_2.4? not found (required by /usr/java/jdk1.7.0_51/jre/lib/i386/server/libjvm.so)
so i want to uninstall 1.7 and go for 1.6. how to uninstall 1.7 please guide me
Thanks
Hi Rathna,
Thanks for your comment. You can uninstall Java by following doc:
https://www.java.com/en/download/help/linux_uninstall.xml
HTH,
Fahd
HI,
i am using Red Hat Enterprise Linux Server release 6.10 and jdk version java version “1.8.0_144”
Need to update jdk to jdk1.8.0_291. i have installed rpm also but it is showing old version. Am getting below error-
[otm@fikylx70 java]$ /usr/sbin/alternatives –install /usr/java/jdk1.8.0_291-amd64/bin/java 180291
alternatives version 1.3.49.5 – Copyright (C) 2001 Red Hat, Inc.
This may be freely redistributed under the terms of the GNU Public License.
Please assist.
Regards
Taslim