How do I fix maven error The JAVA_HOME environment variable is not defined correctly?

MavenInno Setup

Maven Problem Overview

Issue:

I am getting the Maven error "The JAVA_HOME environment variable is not defined correctly" when I run through Inno setup batch execution. However, I am able to run successfully outside Inno Setup.(e.g Command line, Batch file, Vbs). I am clueless to identify the issue.

Inno Setup Invoked Prompt:

C:\>mvn -version
The JAVA_HOME environment variable is not defined correctly
This environment variable is needed to run this program
NB: JAVA_HOME should point to a JDK not a JRE

Regular Command Prompt:

C:\>mvn -version
C:\
Apache Maven 3.5.0 (ff8f5e7444045639af65f6095c62210b5713f426; 2017-04-04T01:09:06+05:30)
Maven home: C:\Program Files\apache-maven-3.5.0\bin\..
Java version: 1.8.0_131, vendor: Oracle Corporation
Java home: C:\Program Files\Java\jdk1.8.0_131\jre
Default locale: en_US, platform encoding: Cp1252
OS name: "windows 7", version: "6.1", arch: "amd64", family: "windows"

Maven Command from InnoSetup:

[Files]
Source: "C:\@Setup\MavenInstaller.bat"; DestDir: "{tmp}"; Flags: ignoreversion
[Run]
Filename: "{cmd}"; Parameters: "/C ""{tmp}\MavenInstaller.bat"""

Maven Command from Batch File:

mvn archetype:generate -DgroupId=com.mycompany.mycomponent-DartifactId=%APPLICATION_NAME% -DarchetypeArtifactId=maven-archetype-quickstart -DinteractiveMode=false

Setting JAVA_HOME

Check the If Java 1.8 is installed or not. If not installed, Install the same and set the JAVA HOME as follows.

SETX JAVA_HOME "C:\Program Files\Java\jdk1.8.0_131"
SETX -m JAVA_HOME "C:\Program Files\Java\jdk1.8.0_131"
REG ADD "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Environment" /v Path /t REG_SZ /d "%path%;C:\Program Files\Java\jdk1.8.0_131\bin;" /f

Many Thanks.

Maven Solutions

Solution 1 - Maven

Following is the best way to get of the issue , check following on classpath:

  1. Make sure JAVA_HOME system variable must have till jdk e.g C:\Program Files\Java\jdk1.7.0_80 , don't append bin here.

  2. Because MAVEN will look for jre which is under C:\Program Files\Java\jdk1.7.0_80

  3. Set %JAVA_HOME%\bin in classpath .

Then try Maven version .

Hope it will help .

Solution 2 - Maven

My JDK is installed at C:\Program Files\Java\jdk1.8.0_144\.
I had set JAVA_HOME= C:\Program Files\Java\jdk1.8.0_144\, and I was getting this error:

The JAVA_HOME environment variable is not defined correctly
This environment variable is needed to run this program
NB: JAVA_HOME should point to a JDK not a JRE

When I changed the JAVA_HOME to C:\Program Files\Java\jdk1.8.0_144\jre, the issue got fixed.
I am not sure how.

Solution 3 - Maven

This is how I fixed this issue on Windows 10:

My JDK is located in C:\Program Files\Java\jdk-11.0.2 and the problem I had was the space in Program Files. If I set JAVA_HOME using set JAVA_HOME="C:\Program Files\Java\jdk-11.0.2" then Maven had an issue with the double quotes:

C:\Users>set JAVA_HOME="C:\Program Files\Java\jdk-11.0.2"

C:\Users>echo %JAVA_HOME%
"C:\Program Files\Java\jdk-11.0.2"

C:\Users>mvn -version
Files\Java\jdk-11.0.2""=="" was unexpected at this time.

Referring to Program Files as PROGRA~1 didn't help either. The solution is using the PROGRAMFILES variable inside of JAVA_HOME:

C:\Users>echo %PROGRAMFILES%
C:\Program Files

C:\Program Files>set JAVA_HOME=%PROGRAMFILES%\Java\jdk-11.0.2

C:\Program Files>echo %JAVA_HOME%
C:\Program Files\Java\jdk-11.0.2

C:\Program Files>mvn -version
Apache Maven 3.6.2 (40f52333136460af0dc0d7232c0dc0bcf0d9e117; 2019-08-27T17:06:16+02:00)
Maven home: C:\apache-maven-3.6.2\bin\..
Java version: 11.0.2, vendor: Oracle Corporation, runtime: C:\Program Files\Java\jdk-11.0.2
Default locale: en_US, platform encoding: Cp1252
OS name: "windows 10", version: "10.0", arch: "amd64", family: "windows"

Solution 4 - Maven

A very common mistake people make is that, when they set JAVA_HOME or JRE_HOME, they set the value to C:\Program Files\Java\jdk1.8.0_221\bin or similar.

Please note JAVA_HOME and JRE_HOME value should not contain \bin

Solution 5 - Maven

The SETX command does not modify the current environment.

If you run the following batch file:

setx AAA aaa
echo AAA=%AAA%

It will print

AAA=

So your batch file is wrong. You have to use set:

set AAA=aaa

See What is the difference between SETX and SET in environment variables in Windows.

Solution 6 - Maven

removing JAVA_HOME and JAVA_JRE from environment variable is resolved the issue.

Solution 7 - Maven

I have removed JAVA_HOME variable and kept only path and classpath variables by pointing them to jdk and jre respectively. It worked for me.

Solution 8 - Maven

I was facing the same issue while using mvn clean package command in Windows OS

C:\eclipse_workspace\my-sparkapp>mvn clean package
The JAVA_HOME environment variable is not defined correctly
This environment variable is needed to run this program
NB: JAVA_HOME should point to a JDK not a JRE

I resolved this issue by deleting JAVA_HOME environment variables from User Variables / System Variables then restart the laptop, then set JAVA_HOME environment variable again.

Hope it will help you.

Solution 9 - Maven

Setting JAVA_HOME directory from command line worked for me!

First:

JAVA_HOME="C:\Program Files\Java\jdk1.8.0"

Or :

export JAVA_HOME="C:\Program Files\Java\jdk1.8.0"

Then try:

mvn -version

to make sure you do not get the same error. :)

Solution 10 - Maven

I was having this same issue while my JAVA_HOME system variable was pointing to C:\Program Files\Java\jdk1.8.0_171\bin and my PATH entry consisted of just %JAVA_HOME%.

I changed my JAVA_HOME variable to exclude the bin folder (C:\Program Files\Java\jdk1.8.0_171), and added the bin folder to the system PATH variable: %JAVA_HOME%\bin,

Solution 11 - Maven

I had the same problem on Windows 7.

The JAVA_HOME environment variable is not defined correctly
This environment variable is needed to run this program
NB: JAVA_HOME should point to a JDK not a JRE

The solution turned out to be very simple - right click on command prompt shortcut and choose "Run as Administrator". After that, the problem disappeared)

Solution 12 - Maven

I struggled with the same issue, and the following worked for me.

Step 1: Check your JAVA_HOME setting. It may look something like:

JAVA_HOME="/usr/libexec/java_home"

Step 2: Update JAVA_HOME like so:

$ vim .bash_profile 

export JAVA_HOME=$(/usr/libexec/java_home)

$ source .bash_profile

Step 3: In a new shell, check that the Maven command is now working properly:

$ mvn -version

If this fixed the problem, you should get back a response like:

Apache Maven 3.0.3 (r1075438; 2011-03-01 01:31:09+0800)
Maven home: /usr/share/maven
Java version: 1.7.0_05, vendor: Oracle Corporation
Java home: /Library/Java/JavaVirtualMachines/1.7.0.jdk/Contents/Home/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "mac os x", version: "10.8.2", arch: "x86_64", family: "mac"

Solution 13 - Maven

when you setup the java home variable try to target path till JDK instead of java. setup path like: C:\Program Files\Java\jdk1.8.0_231

if you make path like C:\Program Files\Java it will run java but it will not run maven.

Solution 14 - Maven

SET JAVA_HOME=C:\Program Files\Java\jdk1.8.0

worked fine for me.

Note - Don't put double quotes over the path as mentioned above. Otherwise when you run

mvn -version

it will give following error

> Files\java\jdk1.8.0_201\jre""=="" was unexpected at this time.

Solution 15 - Maven

Following steps solved the issue for me..

  • Copied the zip file into the Program Files folder and extracted to "apache-maven-3.6.3-bin".

  • Then copied the path, C:\Program Files\apache-maven-3.6.3-bin\apache-maven-3.6.3

  • Then created the new MAVEN_HOME variable within environmental variables with the above path.

Also added,

C:\Program Files\apache-maven-3.6.3-bin\apache-maven-3.6.3\bin

address to the "PATH" variable

Solution 16 - Maven

  1. create folder Maven inside this folder extract download file

  2. this file should C:\Program Files\YourFolderName must in C:\Program Files drive

  3. goto This PC -> right click -> properties -> advanced system -> environment variable

  4. user variable ----> new & ** note create two variable ** if not may be give error i) variable name = MAVEN variable value = C:\Program Files\MAVEN

    ii) variable name = MAVEN_HOME variable value = C:\Program Files\MAVEN\apache-maven-3.6.3\apache-maven-3.6.3

  5. system variable path ---> Edit---> new----give path of this folder i) C:\Program Files\MAVEN
    ii) C:\Program Files\MAVEN\apache-maven-3.6.3\bin

Hurrraaaaayyyyy

Solution 17 - Maven

I have run the below command as Administrator to solve the issue:

SETX JAVA_HOME "C:\Program Files\Java\jdk-15.0.2"
SETX -m JAVA_HOME "C:\Program Files\Java\jdk-15.0.2"
REG ADD "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Environment" /v Path /t REG_SZ /d "%path%;C:\Program Files\Java\jdk-15.0.2\bin;" /f

Solution 18 - Maven

In your environment variable path, add this

%JAVA_HOME%\bin

and also add your path of Maven folder like this

C:\Program Files (x86)\apache-maven-3.8.4\bin

Then create user variable named

JAVA_HOME

and set as path

C:\Program Files\Java\jdk-17\

(wihout bin!)

Last step: important Restart IntelliJ or another program you are using.

Solution 19 - Maven

In case of windows if there is any space in path to jdk like ("C:\Program Files\jdk") then it doesn't work, but if we keep jdk in a location which doesn't have space then it works fine like ("C:\jdk")

Solution 20 - Maven

It seems that Maven doesn't like the JAVA_HOME variable to have more than one value. In my case, the error was due to the presence of the additional path C:\Program Files\Java\jax-rs (the whole path was C:\Program Files\Java\jdk1.8.0_20;C:\Program Files\Java\jax-rs).

So I deleted the JAVA_HOME variable and re-created it again with the single value C:\Program Files\Java\jdk1.8.0_20.

Solution 21 - Maven

I was able to solve this problem with these steps:

  1. Uninstall JDK java
  2. Reinstall java, download JDK installer
  3. Add/Update the JAVA_HOME variable to JDK install folder

Solution 22 - Maven

Follow these steps to fix it:

My jdk location: C:\Program Files\Java\jdk1.8.0_60\bin

C:\Users>echo %PROGRAMFILES% C:\Program Files

C:\Program Files>set JAVA_HOME=%PROGRAMFILES%\Java\jdk1.8.0_60

C:\Program Files>echo %JAVA_HOME% C:\Program Files\Java\jdk1.8.0_60

C:\Program Files>mvn -version Apache Maven 3.6.3 (cecedd343002696d0abb50b32b541b8a6ba2883f) Maven home: E:\java\apache-maven-3.6.3\bin.. Java version: 1.8.0_60, vendor: Oracle Corporation, runtime: C:\Program Files\Java\jdk1.8.0_60\jre Default locale: en_IN, platform encoding: Cp1252 OS name: "windows 10", version: "10.0", arch: "amd64", family: "windows"

Solution 23 - Maven

You need to have the full path to the JDK folder. IF you use links like ~ in your path replace it with /home/<your_user>/, or it will give this error.

Solution 24 - Maven

Easy Win10 solution After JDK installation, download maven and paste to C:/, then copy its path and paste to "environment variables". Go to "windows key" on keyboard an type "environment variables". Click button "environment variables" on right-bottom corner.

From "system variables" choose JAVA_HOME and click "edit" Probably you have path to Java JRE instead of JDK. Check where you install JDK (in my case C:\Program Files\Java\jdk-17 ) and paste that path.

REMEMBER!! JDK path should not be path to bin folder because you will get double bin like C:\Program Files\Java\jdk-17\bin\bin\java because Maven check (see else condidion) :

if [ -z "$JAVA_HOME" ] ; then
    JAVACMD=`which java`
else
    JAVACMD="$JAVA_HOME/bin/java"
fi
 
if [ ! -x "$JAVACMD" ] ; then
    echo "The JAVA_HOME environment variable is not defined correctly" >&2
    echo "This environment variable is needed to run this program" >&2
    echo "NB: JAVA_HOME should point to a JDK not a JRE" >&2
    exit 1
fi

Solution 25 - Maven

if you are using mac...

  1. install JDK

  2. config JAVA_HOME by vim ~/.bash_profile like this, change the jdk file path to your own

    JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.8.0_333.jdk/Contents/Home PATH=$PATH:$JAVA_HOME/bin CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar export JAVA_HOME PATH CLASSPATH

  3. source ~/.bash_profile and then check by java -version and mvn install

  4. if it does not work, restart your computer and check again.

i solved this problem by restarting my computer...

Solution 26 - Maven

add following on env path:

  1. Make sure JAVA_HOME system variable e.g C:\Program Files\Java\jdk , don't append bin here.

  2. Restart your computer

Solution 27 - Maven

Also Please make sure your java, mvn and all installations are in C Directory

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