Error: Java_Home Is Not Defined Correctly Executing Maven

Error: JAVA_HOME is not defined correctly executing maven

Assuming you use bash shell and installed Java with the Oracle installer, you could add the following to your .bash_profile

export JAVA_HOME=$(/usr/libexec/java_home)
export PATH=$JAVA_HOME/jre/bin:$PATH

This would pick the correct JAVA_HOME as defined by the Oracle installer and will set it first in your $PATH making sure it is found.

Also, you don't need to change it later when updating Java.

EDIT

As per the comments:

Making it persistent after a reboot

Just add those lines in the shell configuration file. (Assuming it's bash)

Ex: .bashrc, .bash_profile or .profile (for ubuntu)

Using a custom Java installation

Set JAVA_HOME to the root folder of the custom Java installation path without the $().

Ex: JAVA_HOME=/opt/java/openjdk

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

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

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

Error the JAVA_HOME environment variable is not defined correctly on running mvn clean javadoc:jar package

I would remove the above listed packages with pattern openjdk-11-.* (see this question) and install Java like this.

Showing JAVA_HOME is not defined correctly when I check Maven version in windows 10

Take the \bin off your JAVA_HOME variable.

Maven JAVA_HOME environment variable is not defined correctly, but it is

Your JAVA_HOME is incorrect.
JAVA_HOME should be "C:\Program Files\Java\jdk-11.0.2"

Remember to reopen new console after reset JAVA_HOME environment to apply new value.

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