Maven - Environment Setup

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Step 1 - Verify Java Installation in Your Machine

First of all, open the console and execute a java command based on the operating system you are working on.

OS Task Command
Windows Open Command Console c:\> java -version
Linux Open Command Terminal $ java -version
Mac Open Terminal machine:< joseph$ java -version

Let's verify the output for all the operating systems −

OS Output
Windows

java 11.0.11 2021-04-20 LTS

Java(TM) SE Runtime Environment 18.9 (build 11.0.11+9-LTS-194)

Java HotSpot(TM) 64-Bit Server VM 18.9 (build 11.0.11+9-LTS-194, mixed mode)
Linux

java 11.0.11 2021-04-20 LTS

Java(TM) SE Runtime Environment 18.9 (build 11.0.11+9-LTS-194)

Java HotSpot(TM) 64-Bit Server VM 18.9 (build 11.0.11+9-LTS-194, mixed mode)
Mac

java 11.0.11 2021-04-20 LTS

Java(TM) SE Runtime Environment 18.9 (build 11.0.11+9-LTS-194)

Java HotSpot(TM) 64-Bit Server VM 18.9 (build 11.0.11+9-LTS-194, mixed mode)

If you do not have Java installed on your system, then download the Java Software Development Kit (SDK) from the following link http://www.oracle.com. We are assuming Java 11.0.11 as the installed version for this tutorial.

Step 2 - Set JAVA Environment

Set the JAVA_HOME environment variable to point to the base directory location where Java is installed on your machine. For example.

OS Output
Windows Set the environment variable JAVA_HOME to C:\Program Files\Java\jdk11.0.11
Linux export JAVA_HOME = /usr/local/java-current
Mac export JAVA_HOME = /Library/Java/Home

Append Java compiler location to the System Path.

OS Output
Windows Append the string C:\Program Files\Java\jdk11.0.11\bin at the end of the system variable, Path.
Linux export PATH = $PATH:$JAVA_HOME/bin/
Mac not required

Verify Java installation using the command java -version as explained above.

Step 3 - Download Maven Archive

Download Maven 3.8.4 from https://maven.apache.org/download.cgi.

OS Archive name
Windows apache-maven-3.8.4-bin.zip
Linux apache-maven-3.8.4-bin.tar.gz
Mac apache-maven-3.8.4-bin.tar.gz

Step 4 - Extract the Maven Archive

Extract the archive, to the directory you wish to install Maven 3.8.4. The subdirectory apache-maven-3.8.4 will be created from the archive.

OS Location (can be different based on your installation)
Windows C:\Program Files\Apache Software Foundation\apache-maven-3.8.4
Linux /usr/local/apache-maven
Mac /usr/local/apache-maven

Step 5 - Set Maven Environment Variables

Add M2_HOME, M2, MAVEN_OPTS to environment variables.

OS Output
Windows

Set the environment variables using system properties.

M2_HOME=C:\Program Files\Apache Software Foundation\apache-maven-3.8.4 M2=%M2_HOME%\bin MAVEN_OPTS=-Xms256m -Xmx512m
Linux

Open command terminal and set environment variables.

export M2_HOME=/usr/local/apache-maven/apache-maven-3.8.4 export M2=$M2_HOME/bin

export MAVEN_OPTS=-Xms256m -Xmx512m
Mac

Open command terminal and set environment variables.

export M2_HOME=/usr/local/apache-maven/apache-maven-3.8.4

export M2=$M2_HOME/bin

export MAVEN_OPTS=-Xms256m -Xmx512m

Step 6 - Add Maven bin Directory Location to System Path

Now append M2 variable to System Path.

OS Output
Windows Append the string ;%M2% to the end of the system variable, Path.
Linux export PATH=$M2:$PATH
Mac export PATH=$M2:$PATH

Step 7 - Verify Maven Installation

Now open console and execute the following mvn command.

OS Task Command
Windows Open Command Console c:\> mvn --version
Linux Open Command Terminal $ mvn --version
Mac Open Terminal machine:~ joseph$ mvn --version

Finally, verify the output of the above commands, which should be as follows −

OS Output
Windows

Apache Maven 3.8.4 (9b656c72d54e5bacbed989b64718c159fe39b537)

Maven home: C:\Program Files\Apache Software Foundation\apache-maven-3.8.4

Java version: 11.0.11, vendor: Oracle Corporation, runtime: C:\Program Files\Java\jdk11.0.11\

Default locale: en_IN, platform encoding: Cp1252

OS name: "windows 10", version: "10.0", arch: "amd64", family: "windows"
Linux

Apache Maven 3.8.4 (9b656c72d54e5bacbed989b64718c159fe39b537)

Java version: 11.0.11

Java home: /usr/local/java-current/jre
Mac

Apache Maven 3.8.4 (9b656c72d54e5bacbed989b64718c159fe39b537)

Java version: 11.0.11

Java home: /Library/Java/Home/jre
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