Integrate Maven with Jenkins

Search in Google:

download maven

and copy the Binary tar.gz archive link, download it to /opt with wget, extract and rename to maven for simplicity:

cd /opt
wget https://dlcdn.apache.org/maven/maven-3/3.9.6/binaries/apache-maven-3.9.6-bin.tar.gz
tar xvf apache-maven-3.9.6-bin.tar.gz
mv apache-maven-3.9.6 maven

Try to execute binary:

cd maven/bin/
./mvn -version

Get JVM path:

find / -name jvm

Usually it is under /usr/lib/jvm:

$ ls -la /usr/lib/jvm
java-11-openjdk-11.0.20.0.8-1.amzn2.0.1.x86_64

This is the full path:

/usr/lib/jvm/java-11-openjdk-11.0.20.0.8-1.amzn2.0.1.x86_64

Other variables are:

M2_HOME=/opt/maven
M2=/opt/maven/bin
JAVA_HOME=/usr/lib/jvm/java-11-openjdk-11.0.20.0.8-1.amzn2.0.1.x86_64

Under /root/.bash_profile, add/modify the following lines:

M2_HOME=/opt/maven
M2=/opt/maven/bin
JAVA_HOME=/usr/lib/jvm/java-11-openjdk-11.0.20.0.8-1.amzn2.0.1.x86_64
PATH=$PATH:$HOME/bin:$JAVA_HOME:$M2_HOME:$M2

Source the profile:

. /root/.bash_profile

Try again to execute the mvn binary, it should succeed:

mvn -version

Install the Jenkins plugins Maven Integration and GitHub.
Go to Manage Jenkins -> Tools and add:
JDK
Name - Java 11
JAVA_HOME - /usr/lib/jvm/java-11-openjdk-11.0.20.0.8-1.amzn2.0.1.x86_64
you may get warnings, just use the path from previous steps and ignore them

Maven
Name - maven 3.9.6
MAVEN_HOME - /opt/maven

Do not use Install automatically in both cases.

Create a new Item as Maven Project
Source code management - Git, use: https://github.com/ravdy/hello-world.git
Build - Goals and options: clean package

And build it. You should get SUCCESS