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    <p><a href="http://maven.apache.org/settings.html#Quick_Overview" rel="nofollow">Default locations</a> of your settings files are:</p> <blockquote> <p>There are two locations where a settings.xml file may live:</p> <ul> <li>The Maven install: $M2_HOME/conf/settings.xml </li> <li>A user's install: ${user.home}/.m2/settings.xml</li> </ul> </blockquote> <p><code>M2_HOME</code> is path to maven installation directory. The defaults can be found in the <a href="http://maven.apache.org/download.cgi" rel="nofollow">maven installation instructions</a>:</p> <ul> <li>win xp/2k: <code>C:\Program Files\Apache Software Foundation\apache-maven-3.1.0</code></li> <li>unix based: <code>/usr/local/apache-maven/apache-maven-3.1.0</code></li> </ul> <p>or open command prompt/terminal and type:</p> <ul> <li>win xp/2k: <code>echo %M2_HOME%</code></li> <li>unix based: <code>echo $M2_HOME</code></li> </ul> <p>To change the location of your central repository its <a href="http://maven.apache.org/guides/mini/guide-mirror-settings.html" rel="nofollow">mirror can be defined</a>. Open your <code>settings.xml</code> and add:</p> <pre><code>&lt;settings&gt; ... &lt;mirrors&gt; &lt;mirror&gt; &lt;id&gt;myMirrorId&lt;/id&gt; &lt;name&gt;mirror of a central repo&lt;/name&gt; &lt;url&gt;http://server&lt;/url&gt; &lt;mirrorOf&gt;central&lt;/mirrorOf&gt; &lt;/mirror&gt; &lt;/mirrors&gt; ... &lt;/settings&gt; </code></pre> <p>Now when running maven from your project root folder with the debug output (<code>-X</code>) you should see in the beggining of your console output:</p> <pre><code>[DEBUG] Using mirror myMirrorId (http://server) for central (http://repo.maven.apache.org/maven2). </code></pre> <p>The default central repo has <code>id</code> central and that's why that is the value of <code>mirrorOf</code> tag. My default central repo is the one you are trying to set.</p> <blockquote> <p>I also wonder why different computers from same network got different repo to download.</p> </blockquote> <p>If you comment everything in your user settings file (leave just the outer <code>settings</code> tags) and have default global settings file (which is basically empty) running:</p> <pre><code>mvn help:effective-settings </code></pre> <p>will dump practically empty settings. When building project maven still knows the location of the central repo, because every pom file inherits from the <a href="http://maven.apache.org/ref/3.0.4/maven-model-builder/super-pom.html" rel="nofollow">super pom</a> and that is where the default central repo URL is defined:</p> <pre><code>&lt;repositories&gt; &lt;repository&gt; &lt;id&gt;central&lt;/id&gt; &lt;name&gt;Central Repository&lt;/name&gt; &lt;url&gt;http://repo.maven.apache.org/maven2&lt;/url&gt; &lt;layout&gt;default&lt;/layout&gt; &lt;snapshots&gt; &lt;enabled&gt;false&lt;/enabled&gt; &lt;/snapshots&gt; &lt;/repository&gt; &lt;/repositories&gt; </code></pre> <p>The super pom is located at <code>$M2_HOME/lib/maven-model-builder-&lt;VERSION&gt;.jar</code> under <code>/org/apache/maven/model/pom-4.0.0.xml</code>.</p> <p>As Robert Scholte informed, as of 3.0.4 the default URL has been changed from <code><a href="http://repo1.maven.org/maven2" rel="nofollow">http://repo1.maven.org/maven2</a></code> to <code><a href="http://repo.maven.apache.org/maven2" rel="nofollow">http://repo.maven.apache.org/maven2</a></code></p>
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