Setting for older java 6 using maven

maven_java6_settings.xml

<?xml version="1.0" encoding="UTF-8"?>
<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0" 
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">
    <!-- https://github.com/travis-ci/travis-cookbooks/blob/master/cookbooks/travis_build_environment/files/default/ci_user/maven_user_settings.xml -->
    <profiles>
        <profile>
            <id>standard-with-extra-repos</id>
            <activation>
                <activeByDefault>true</activeByDefault>
            </activation>
            <repositories>
                <repository>
                    <id>central</id>
                    <name>Central Repository</name>
                    <url>http://repo1.maven.org/maven2</url>
                    <releases>
                        <enabled>true</enabled>
                        <updatePolicy>always</updatePolicy>
                    </releases>
                    <snapshots>
                        <enabled>false</enabled>
                        <updatePolicy>always</updatePolicy>
                    </snapshots>
                </repository>
                <repository>
                    <id>central2</id>
                    <name>Central Repository 2</name>
                    <url>http://repo1.maven.apache.org/maven2</url>
                    <releases>
                        <enabled>true</enabled>
                        <updatePolicy>always</updatePolicy>
                    </releases>
                    <snapshots>
                        <enabled>false</enabled>
                        <updatePolicy>always</updatePolicy>
                    </snapshots>
                </repository>
                <repository>
                    <id>sonatype</id>
                    <name>OSS Sonatype repo (releases)</name>
                    <releases>
                        <enabled>true</enabled>
                        <updatePolicy>always</updatePolicy>
                        <checksumPolicy>warn</checksumPolicy>
                    </releases>
                    <snapshots>
                        <enabled>false</enabled>
                        <updatePolicy>never</updatePolicy>
                        <checksumPolicy>fail</checksumPolicy>
                    </snapshots>
                    <url>https://oss.sonatype.org/content/repositories/releases/</url>
                </repository>
                <repository>
                    <id>sonatype-snapshots</id>
                    <name>OSS Sonatype repo (snapshots)</name>
                    <releases>
                        <enabled>false</enabled>
                        <updatePolicy>always</updatePolicy>
                        <checksumPolicy>warn</checksumPolicy>
                    </releases>
                    <snapshots>
                        <enabled>true</enabled>
                        <updatePolicy>never</updatePolicy>
                        <checksumPolicy>fail</checksumPolicy>
                    </snapshots>
                    <url>https://oss.sonatype.org/content/repositories/snapshots/</url>
                </repository>
                <repository>
                    <id>sonatype-apache</id>
                    <name>Apache repo (releases)</name>
                    <releases>
                        <enabled>true</enabled>
                        <updatePolicy>always</updatePolicy>
                        <checksumPolicy>warn</checksumPolicy>
                    </releases>
                    <snapshots>
                        <enabled>false</enabled>
                        <updatePolicy>never</updatePolicy>
                        <checksumPolicy>fail</checksumPolicy>
                    </snapshots>
                    <url>https://repository.apache.org/releases/</url>
                </repository>
                <repository>
                    <id>apache-snapshots</id>
                    <name>ASF repo (snapshots)</name>
                    <releases>
                        <enabled>false</enabled>
                        <updatePolicy>never</updatePolicy>
                        <checksumPolicy>warn</checksumPolicy>
                    </releases>
                    <snapshots>
                        <enabled>true</enabled>
                        <updatePolicy>always</updatePolicy>
                        <checksumPolicy>fail</checksumPolicy>
                    </snapshots>
                    <url>https://repository.apache.org/snapshots/</url>
                </repository>
            </repositories>
            <pluginRepositories>
                <pluginRepository>
                    <id>central</id>
                    <!-- specify repo1 which support http -->
                    <url>http://repo1.maven.org/maven2</url>
                    <releases>
                        <enabled>true</enabled>
                        <updatePolicy>always</updatePolicy>
                    </releases>
                    <snapshots>
                        <enabled>false</enabled>
                        <updatePolicy>always</updatePolicy>
                    </snapshots>
                </pluginRepository>
                <pluginRepository>
                    <id>central2</id>
                    <!-- specify repo1 which support http -->
                    <url>http://repo1.maven.apache.org/maven2</url>
                    <releases>
                        <enabled>true</enabled>
                        <updatePolicy>always</updatePolicy>
                    </releases>
                    <snapshots>
                        <enabled>false</enabled>
                        <updatePolicy>always</updatePolicy>
                    </snapshots>
                </pluginRepository>
            </pluginRepositories>
        </profile>
    </profiles>
</settings>