4.2. Install Maven

Procedure 4.2. Install Maven

1. Download Maven.

   1. Enter http://maven.apache.org/download.cgi in the address bar of a browser.
   2. Download apache-maven-[latest-version] ZIP file and save it to your hard drive.

2. Install and configure Maven.

   • On Red Hat Enterprise Linux

     1. Extract the ZIP archive to the directory where you wish to install Maven.
     2. Open your .bash_profile file in a terminal: vi ~/.bash_profile.
     3. Add the M2_HOME environment variable to the file:

        export M2_HOME=/path/to/your/maven

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     4. Also add the M2 environment variable to the file:

        export M2=$M2_HOME/bin

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     5. Add the M2 environment variable to the file:

        export PATH=$M2:$PATH

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     6. Make sure that JAVA_HOME is set to the location of your JDK. For example:

        export JAVA_HOME=/usr/lib/jvm/java-1.7.0-openjdk.x86_64

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     7. Make sure that $JAVA_HOME/bin is in your PATH environment variable.
     8. Save the file and exit your text editor.
     9. Run this command to ensure the changes take effect: source ~/.bash_profile
     10. Run the following command to verify that Maven is installed successfully on your machine:

         mvn --version

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   • On Microsoft Windows

     1. Extract the ZIP archive to the directory where you wish to install Maven. The subdirectory apache-maven-[latest-version] is created from the archive.
     2. Press Start+Pause|Break. The System Properties dialog box is displayed.
     3. Click the Advanced tab and click Environment Variables.
     4. Under System Variables, select Path.
     5. Click Edit and add the two Maven paths using a semicolon to separate each entry.
        • Add the M2_HOME variable and set the path to C:\path\to\your\Maven.
        • Add the M2 variable and set the value to %M2_HOME%\bin.
     6. Update or create the Path environment variable:
        • Add the %M2% variable to allow Maven to be executed from the command line.
        • Add the variable %JAVA_HOME%\bin to set the path to the correct Java installation.
     7. Click OK to close all the dialog boxes including the System Properties dialog box.
     8. Open Windows command prompt and run the following command to verify that Maven is installed successfully on your machine:

        mvn --version

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