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Change Default Java Version Linux


I actually have version 6.22 of java and would like to update to version 6.30. Log in as root: su- type in your password and the prompt will change from $: to #:2. How can I switch the default Java version on Linux?

Exception in thread "main" java.lang.UnsupportedClassVersionError: com/xmodulo/hmon/gui/NetConf : Unsupported major.minor version 51.0 When a Java program is compiled, the build environment sets Reply Link sasa June 18, 2009, 2:05 pmThx to Mustafa. Source

Thank you! three-letter codes for countries Writing a recommendation letter for a student I reported for academic dishonesty Is it possible to send all nuclear waste on Earth to the Sun? Once again you need to type the following command to activate the path settings immediately: # source /etc/profile OR # . /etc/profile Sysadmin because even developers need heroes!!! Configure alternatives to use the jdk you downloaded above in step 2 rather than the java shipped with Fedora by issuing: /usr/sbin/alternatives --config javaThis will present you with at least 2 click site

Change Default Java Version Linux

else try using "su" Try googling in case both don't work :D Reply Link Sreenivasa Reddy Mulinti March 23, 2014, 5:03 amHi Mustafa,Thank you for solution. Now you can verify the default Java version as follows. $ java -version Finally, if you defined JAVA_HOME environment variable somewhere, update the variable according to the newly set default Java Ask Ubuntu works best with JavaScript enabled current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list. Test if Java environment is successfully installed by typing in this in the shell: $ java -version java version "1.6.0_03" Java(TM) SE Runtime Environment (build 1.6.0_03-b05) Java HotSpot(TM) Server VM (build

Browse other questions tagged java linux java-home path-variables or ask your own question. i cannot start websphere because it returnd an error wid dese variables.. To get a list of your installed Java platforms, run the following command from the terminal: sudo update-alternatives --config java This will give you a list output similar to this: There How To Set Java_home In Redhat Linux Clicking the Continue button will display the download option (depending on whether the user chooses to register): jdk-6u-windows-.exe Create an environment variable called JAVA_HOME that points to the JDK installation

After seeing ur post, did what u explained here.Now working ya…….. Change Default Java Version Ubuntu Difference between "raise" and "lift" Drupal 8 Views get total row count in views-view-fields.html.twig "Draw a million dots:" How to respond to a ridiculous request from a senior colleague? If you do not have root access, simply install the Java SE Runtime Environment into your home directory, or a subdirectory that you have permission to write to. https://access.redhat.com/documentation/en-US/Red_Hat_JBoss_Portal/5.1/html/Installation_Guide/Pre_Requisites-Configuring_Your_Java_Environment.html run the file by issuing: ./jdk-6u11-linux-i586.rpm.bin This will show acceptance agreement, press untill you reach end they type "yes" and press and the installation will start.6.

Do as follows : Step-1 Open terminal and type sudo gedit .bashrc Step-2 It will ask you your password . There Is Only One Alternative In Link Group Java OTHER ADDED PART sudo update-alternatives --config java will return following output [email protected]:~$ sudo update-alternatives --config java There are 2 choices for the alternative java (providing /usr/bin/java). Selection Command ----------------------------------------------- *+ 1 /usr/lib/jvm/java-1.6.0-sun Enter to keep the current selection[+], or type selection number: You should verify that java, javac and java_sdk_1.6.0 all point to the same manufacturer and You can do this by issuing: updatedb;locate javac |grep binThis will list several options (at least two, the default one shipped with fedora, and the one you downloaded from Java Sun

Change Default Java Version Ubuntu

ADDED PART Under the suggestion of @fossfreedom I ran the script anyway and actually it updated the java version. Selection Path Priority Status ------------------------------------------------------------ 0 /usr/lib/jvm/java-6-oracle/jre/bin/java 1070 auto mode 1 /usr/lib/jvm/java-7-openjdk-i386/jre/bin/java 1051 manual mode * 2 /usr/lib/jvm/java-6-openjdk-i386/jre/bin/java 1069 manual mode Press enter to keep the current choice[*], or type selection Change Default Java Version Linux These instructions use the following file: jre-8uversion-linux-x64.rpm Download the file. Change Java Version Linux Alternatives more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed

Thank you for that addition. –That Dave Guy Jan 21 '15 at 18:57 7 @rbaleksandar some applications depend on JAVA_HOME, doesn't hurt setting it up too. –raffian Jul 27 '15 this contact form Reply Link Bunts August 24, 2016, 4:15 pmThe JAVA_HOME points to the top level directory of the JDK/JRE. looking for jdks. never encountered that. Change Default Java Windows

Hot Network Questions How do native speakers say condolences to someone else (especially in AmE)? The instructions worked perfect for me.. Then please be generous and support Xmodulo! http://goglospex.com/java-version/maven-default-java-version.html Looks like the Java program is compiled for a different Java version than the default Java program installed on my Linux.

Exception in thread "main" java.lang.UnsupportedClassVersionError: com/xmodulo/hmon/gui/NetConf : Unsupported major.minor version 51.0 For example, in this case the program is compiled for Java JRE 1.7 but the system only has Java JRE Switch Java Version Windows Make sure that the java executable is in your path and that you are using an appropriate version. You may set these variables by going to the System Properties window then select the Advanced tab and finally click on the Environment Variables button.

To set the environment variables:echo ‘export JAVA_HOME=/opt/jdk1.5.0_12′ > /etc/profile.d/jdk.sh echo ‘export PATH=$JAVA_HOME/bin:$PATH’ >> /etc/profile.d/jdk.sh2.

up vote 116 down vote favorite 50 I've installed a version of Java. Related 2Troubleshoot sun-java6-jdk installation3How to properly set up Sun's JDK?2Openjdk-7-jdk some commands not recognized?1NetBeans Hangs on New Project Creation4JAVAC is not in the jdk path but java -version says JDK is Anyway - look at the answer just below - you should be able to sudo update-alternatives as per the example. –fossfreedom♦ Apr 13 '12 at 12:20 | show 6 more comments Change Java Version Centos thanks!

Hold osciloscope probes Update request using table alias Verifying a person's age Crack the lock code more hot questions question feed lang-java about us tour help blog chat data legal privacy Alternatively, type the following command to activate the new path settings immediately: $ source ~/.bash_profile OR $ . ~/.bash_profile Verify new settings: $ echo $JAVA_HOME
$ echo $PATH Tip: Use Applications that run with more than 1.5 GB of RAM (including free space for garbage collection optimization) should utilize the 64-bit JVM. Check This Out Use /etc/alternatives to always have the current version of java at /usr/bin/java 2.

please help me Reply Link Francisco November 18, 2014, 3:55 amreview of these lines: …… 1. In my case, I have somehting like this but in your case, this can look different: /usr/sbin/alternatives --config javaThere are 6 programs which provide ‘java'. thanks a lot. Auswahl Pfad Priorität Status ------------------------------------------------------------ * 0 /usr/lib/jvm/java-6-openjdk/jre/bin/java 1061 Auto-Modus 1 /home/jdk1.6.0_30/bin/java 100 manueller Modus 2 /usr/lib/jvm/java-6-openjdk/jre/bin/java 1061 manueller Modus Drücken Sie die Eingabetaste, um die aktuelle Wahl[*] beizubehalten, oder geben

This might take a while' echo "$jdks" | awk '{printf("%5d : %s\n", NR,$0)}' read choose test -e ./javac || cd `echo "$jdks" | tr '\n' ',' | cut -d',' -f $choose`/bin debianadmin.com/… thx wouterH –Alexander Sidikov Mar 23 at 14:51 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up using Save and close the file. Note: For downloading Java other flavors of Linux see Java for Ubuntu, Java for Fedora Follow these steps to download and install Java for Linux.

There is no need to reboot. 5.