Questions tagged [java-home]

JAVA_HOME is an environment variable which should point to the root directory of the JDK installation.

JAVA_HOME is an environment variable which indicates the directory where the Java Development Kit (JDK) software is installed.

Setting JAVA_HOME depends on the operating system:

UNIX

  • Korn and bash shells:

    export JAVA_HOME=jdk-install-dir
    
    export PATH=$JAVA_HOME/bin:$PATH
    
  • Bourne shell:

    JAVA_HOME=jdk-install-dir
    
    export JAVA_HOME
    
    PATH=$JAVA_HOME/bin:$PATH
    
    export PATH
    
  • C shell:

    setenv JAVA_HOME jdk-install-dir
    
    setenv PATH $JAVA_HOME/bin:$PATH
    
    export PATH=$JAVA_HOME/bin:$PATH
    

Windows

  1. Right click My Computer > Properties > Advanced system settings
  2. On the Advanced tab, select Environment Variables..., and then add/edit JAVA_HOME to point to where the JDK software is located, for example, C:\Program Files\Java\jdk1.8.0_60.

or

  1. Go to Control Panel\All Control Panel Items\User Accounts using Explorer
  2. Click on Change my environment variables
  3. Add/edit the JAVA_HOME variable to point to where the JDK software is located
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On VSCode for Windows, how do I set my java home user setting to be the value of an environment variable?

With VSCode on Windows 10, how do I set my java home user setting to be the value, JAVA_HOME, that is defined in my environment? I've opened my user settings.json file and added "java.jdt.ls.java.home": "${env:JAVA_HOME}" I have confirmed in my…
Dave
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start a simple jar application in macbook from terminal

I installed java on my MacBook, I'm trying to start a simple hand that is in a jar but I just can't. The command I launch is the following: java -cp sell.jar it.test.testina The error is always this: error: Cannot Find or Load the Main Class…
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M1 trying to run SparkSession, but having RuntimeError: Java gateway process exited before sending its port number

I am trying to run a simple command spark = SparkSession.builder.appName("Basics").getOrCreate() in my M1 Mac, Monterey 12.6.2, but it throws an error: The operation couldn’t be completed. Unable to locate a Java Runtime. Please visit…
yts61
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Error installing Android Studio in Windows 11 with Openjdk

I'm trying to install Android Studio on my computer after formatting, however I'm getting the following error: Error android studio I already have openjdk 11 installed and the JAVA_HOME variable is already defined. environment variables Yesterday I…
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Cannot fix JAVA_HOME environment variable

I am trying to fix Java for projects I am working on on my local computer. I had jenv installed to switch between versions more easily, but at some point over the last couple of days I must have done something and messed up my JAVA_HOME environment…
aCarella
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How to set java home in azure function app with python run time?

I have python run time in azure function app. I have added install-jdk in requirements.txt. I would like to find the JAVA_HOME and set it in azure function. Thanks
Anu
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How to resolve the java_home issue between kibana and groovy?

Elastic Search Kibana is unable to accept JAVA_HOME variable set as C:\Program Files (x86)\Java\jre1.8.0_333 so I changed it to C:\Progra-2\Java\jre1.8.0_333 Now groovy is unable to accept the JAVA_HOME variable set…
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upon checking mvn version this massage pop up on Mac please need help to resolve this issue

mvn -version The JAVA_HOME environment variable is not defined correctly, this environment variable is needed to run this program.
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How to set Java HOME for multiple Java versions on Mac

I use Java 8 and Java 17 versions in several projects and I want to set default Java HOME as Java 8. For this purpose, I add .zshenv file to my user folder and make its content like this: # Java 8 export PATH=/usr/local/opt/openjdk@8/bin:$PATH #…
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IntelliJ won't start with JAVA_HOME set to JDK8

I have IntelliJ IDEA Ultimate Edition 2022.1 installed, but when I tried to launch idea64.exe, I got the following popup message: The environment variable JAVA_HOME (with the value of C:\Program Files\Java\jdk1.8.0_341) does not point to a valid JVM…
user3573403
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System-agnostic way to set JAVA_HOME of specific JDK version

Working with different projects, each one having different JDK version requirements (mainly 1.8 and 17), with people contributing from different operating systems; it has been decided to use the JAVA_HOME environment variable within our gradle…
Léa Gris
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ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. React Native in Visual Studio Code

I am using Visual studio code to develop React-native apps and nox player as android emulator. I don't want to install Java SDK/JDK to resolve the below issue. I am using yarn, and yarn android command in order to run the app in android simulator…
Naresh
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IntelliJ Will Not Launch After Update

Windows also cannot uninstall it, so that I can reinstall it. I have not used intellij for almost a year. I updated Intellij the other day to start using it again. When I try to launch after the update I get this error: Internal error. Please refer…
user2904033
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I'm trying to set JAVA_HOME and path for JDK on Linux using .bashrc. But it says [ Error writing .bashrc: Permission denied ]. Why?

I'm trying to set JAVA_HOME and path for JDK on Linux using .bashrc (through this tutorial): Step 1: $ nano .bashrc [Press Enter] Step 2: export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64 export PATH=$JAVA_HOME/bin:$PATH Step 3: [Type…
HeyLameRobin
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java: command not found and JAVA_HOME is empty in scripts from crontab

I installed java 18 using this tutorial: https://computingforgeeks.com/install-oracle-java-18-on-ubuntu-debian/ Scripts (.sh) running at reboot from crontab doesn't have any JAVA_HOME and default PATH variables. When I run these scripts manually it…
andreasdc
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