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Maven notes – Exercise

Setup Maven

  • Download latest Maven (3.3.9) from http://maven.apache.org/download.cgi
  • Unzip it to the folder you want to install Maven.
  • Add both M2_HOME and MAVEN_HOME variables in the Windows environment, and point it to your Maven folder (C:\Apache Maven\apache-maven-3.3.9).
  • Update PATH variable, append Maven bin folder – %M2_HOME%\bin, so that you can run the Maven’s command everywhere.
  • Restart/log off windows if necessary.
  • To verify it, run mvn –version in the command prompt.

Setup local repository path


Default location for local repository is ${user.home}/.m2/repository. So I change it.

Create Simple Java Project

mvn archetype:generate -DgroupId={project-packaging} 

mvn archetype:generate -DgroupId=com.pegipegi 

This tells Maven to create a Java project from the Maven maven-archetype-quickstart template. With mvn archetype:generate + maven-archetype-quickstart template, the following project directory structure is created. All source code puts in folder /src/main/java/, all unit test code puts in /src/test/java/. In additional, a standard pom.xml is generated.

maven directory structure

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">

As you can see the default packaging is jar. To build we use package phase (compile code and also package it).


Run it

java -cp target/MavenHelloWorld-1.0-SNAPSHOT.jar com.pegipegi.App

Convert Maven based Java Project to support Eclipse IDE

mvn eclipse:eclipse


Include custom library into maven local repository

There are still many jars that doesn’t support Maven. For the example oracle jdbc (previously not in maven central repo, but now there is).

Download jar from http://www.oracle.com/technetwork/apps-tech/jdbc-112010-090769.html

Create dependency


Add it to local respository

mvn install:install-file -DgroupId=com.oracle -DartifactId=ojdbc14 -Dversion= -Dpackaging=jar -Dfile=ojdbc.jar -DgeneratePom=true


Categories: Maven
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