Install & configure the Maven build tool on Jenkins

https://www.youtube.com/@CodeWithMuh

Maven is a code build tool used to convert your code to an artifact. this is a widely used plugin to build a continuous integration

Prerequisites

1. Jenkins server

hostname  jenkins
sudo su -
cd /opt
ls -ltr

Install Maven on Jenkins

1. Download maven packages https://maven.apache.org/download.cgi onto Jenkins server. In this case, I am using /opt/maven as my installation directory

• Link : https://maven.apache.org/download.cgi
• sudo wget https://dlcdn.apache.org/maven/maven-3/3.8.6/binaries/apache-maven-3.8.6-bin.tar.gz

sudo tar -xvzf apache-maven-3.8.6-bin.tar.gz
    sudo   mv apache-maven-3.8.6 maven
  cd maven

1. Setup M2_HOME and M2 paths in .bash_profile of the user and add these to the path variable

[root@jenkins ~]#  vi ~/.bash_profile
M2_HOME=/opt/maven
M2=$M2_HOME/bin

echo $M2
exit
sudo su -
echo $M2
echo $M2_HOME

[root@jenkins ~]# vi ~/.bash_profile

# .bash_profile

# Get the aliases and functions
if [ -f ~/.bashrc ]; then
        . ~/.bashrc
fi

# User specific environment and startup programs
JAVA_HOME=/usr/lib/jvm/java-11-openjdk-11.0.17.0.8–2.el9_0.x86_64
M2_HOME=/opt/maven
M2=$M2_HOME/bin
PATH=$PATH:$JAVA_HOME:$HOME/bin:$M2:$M2_HOME

export PATH

exit
sudo su -

Checkpoint

1. logoff and login to check maven version

mvn - version

So far we have completed the installation of the maven software to support the maven plugin on the Jenkins console. Let’s jump onto Jenkins to complete the remaining steps.

Setup maven on Jenkins console

1. Install maven plugin without restart

• Manage Jenkins > Jenkins Plugins > available > Maven Invoker
• Manage Jenkins > Jenkins Plugins > available > Maven Integration

2. Configure the maven path

• Manage Jenkins > Global Tool Configuration > Maven

Done.

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