Install

Download and install Maven 2.0.10, 2.1.x, 2.2.x or 3.x.

Global Settings

Edit the settings.xml file, located in $MAVEN_HOME/conf or ~/.m2, to set the database parameters to be used as well as the Sonar server URL.

Example:

<settings>
    <profiles>
        <profile>
            <id>sonar</id>
            <activation>
                <activeByDefault>true</activeByDefault>
            </activation>
            <properties>
                <!-- EXAMPLE FOR MYSQL -->
                <sonar.jdbc.url>
                  jdbc:mysql://localhost:3306/sonar?useUnicode=true&amp;characterEncoding=utf8
                </sonar.jdbc.url>
                <sonar.jdbc.driverClassName>com.mysql.jdbc.Driver</sonar.jdbc.driverClassName>
                <sonar.jdbc.username>sonar</sonar.jdbc.username>
                <sonar.jdbc.password>sonar</sonar.jdbc.password>

                <!-- optional URL to server. Default value is http://localhost:9000 -->
                <sonar.host.url>
                  http://myserver:9000
                </sonar.host.url>
            </properties>
        </profile>
     </profiles>
</settings>

It is recommended to increase the Java heap memory. It avoids getting OutOfMemoryError failures. Set the MAVEN_OPTS environment variable:

export MAVEN_OPTS="-Xmx512m -XX:MaxPermSize=128m"

You are now ready to analyze a project with Maven.