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<li class="breadcrumb-item active">GETTING INVOLVED</li>
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<h1 class="title">Getting involved in Apache Jena</h1>
<p>We welcome your contribution towards making Jena a better platform for semantic web and linked data applications.
We appreciate feature suggestions, bug reports and patches for code or documentation.</p>
<p>If you need help using Jena, please see our <a href="../help_and_support">getting help</a> page.</p>
<h3 id="how-to-contribute">How to contribute</h3>
<p>You can help us sending your suggestions, feature requests and bug reports (as well as patches) using the <a href="https://issues.apache.org/jira/browse/JENA">Jena issue tracker</a>.</p>
<p>You can discuss your contribution, before or after adding it to Jira, on the <a href="mailto:dev@jena.apache.org"><code>dev@jena.apache.org</code></a> mailing list.
You can also help other users by answering their questions on the <a href="mailto:users@jena.apache.org"><code>users@jena.apache.org</code></a> mailing list.
See the <a href="../help_and_support">subscription instructions</a> for details.</p>
<p>Please see the <a href="reviewing_contributions.html">Reviewing Contributions</a> page for details of what committers will be looking for when reviewing contributions.</p>
<h4 id="improving-the-website">Improving the Website</h4>
<p>You can also help us improve the documentation on this website via Pull Request.</p>
<p>The website source lives in an Apache git repository at <a href="https://gitbox.apache.org/repos/asf/jena-site.git">gitbox.apache.org repo
jena-site</a>. There is also a
full read-write mirror on GitHub, see
<a href="https://github.com/apache/jena-site">jena-site on GitHub</a>:</p>
<pre><code>git clone https://github.com/apache/jena-site.git
cd jena-site
</code></pre>
<p>You can then make a branch, prepare your changes and submit a pull request. Please see the <code>README.md</code> in that repository for more details.</p>
<h3 id="snapshots">SNAPSHOTs</h3>
<p>If you use Apache Maven and you are not afraid of being on the bleeding-edge, you can help us by testing our SNAPSHOTs which you can find in the <a href="https://repository.apache.org/content/repositories/snapshots/org/apache/jena/">Apache Maven repository</a>.</p>
<p>Here is, for example, how you can add TDB version X.Y.Z-SNAPSHOT to your project (please ask if you are unsure what the latest snapshot version number currently is):</p>
<pre><code>&lt;dependency&gt;
&lt;groupId&gt;org.apache.jena&lt;/groupId&gt;
&lt;artifactId&gt;jena-tdb&lt;/artifactId&gt;
&lt;version&gt;X.Y.Z-SNAPSHOT&lt;/version&gt;
&lt;/dependency&gt;
</code></pre>
<p>See also how to <a href="/download/maven.html">use Jena with Maven</a>.</p>
<p>If you have problems with any of our SNAPSHOTs, <a href="/help_and_support/">let us know</a>.</p>
<p>You can check the state of each Jena development builds
on the <a href="https://builds.apache.org/job/Jena/">Apache Jenkins continuous integration server</a>.</p>
<h3 id="git-repository">Git repository</h3>
<p>You can find the Jena source code in the Apache git repository:
<a href="https://gitbox.apache.org/repos/asf/jena.git">https://gitbox.apache.org/repos/asf/jena.git</a></p>
<p>There is also a full read-write mirror of <a href="https://github.com/apache/jena">Jena on GitHub</a>:</p>
<pre><code>git clone https://github.com/apache/jena.git
cd jena
mvn clean install
</code></pre>
<p>You can <a href="https://github.com/apache/jena/fork">fork Jena on GitHub</a> and also submit <a href="https://github.com/apache/jena/pulls">pull requests</a> to
contribute your suggested changes to the code.</p>
<h3 id="open-issues">Open issues</h3>
<p>You can find a list of the <a href="https://issues.apache.org/jira/secure/IssueNavigator.jspa?reset=true&amp;jqlQuery=project+%3D+JENA+AND+status+%3D+Open+ORDER+BY+priority+DESC&amp;mode=hide">open issues</a> on JIRA (sorted by priority).
Or, you can look at the <a href="https://issues.apache.org/jira/secure/QuickSearch.jspa?searchString=jena+updated:-1w">last week activity</a> to get a sense of what people are working on.</p>
<h3 id="submit-your-patches">Submit your patches</h3>
<p>You can develop new contributions and work on patches using either the
Apache-hosted git repository or the <a href="https://github.com/apache/jena">mirror on GitHub</a>.</p>
<p><a href="https://github.com/apache/jena/pulls">GitHub pull requests</a> are forwarded to the
<a href="/help_and_support/">dev@jira mailing list</a> for review by the Jena committers.
You should subscribe to dev@jira to follow the feedback on your pull request.</p>
<p>Alternatively, patches can be attached directly to issues in Jira
(click on <code>More Actions &gt; Attach Files</code>).</p>
<p>Please, inspect your contribution/patch and make sure it includes all (and
only) the relevant changes for a single issue. Don&rsquo;t forget tests!</p>
<p>If you want to test if a patch applies cleanly you can use:</p>
<pre><code>patch -p0 &lt; JENA-XYZ.patch
</code></pre>
<p>If you use Eclipse: right click on the project name in <code>Package Explorer</code>,
select <code>Team &gt; Create Patch</code> or <code>Team &gt; Apply Patch</code>.</p>
<p>You can also use git:</p>
<pre><code>git format-patch origin/trunk
</code></pre>
<h3 id="irc-channel">IRC channel</h3>
<p>Some Jena developers hang out on #jena on irc.freenode.net.</p>
<h3 id="how-apache-software-foundation-works">How Apache Software Foundation works</h3>
<p>To better understand how to get involved and how the Apache Software Foundation works we recommend you read:</p>
<ul>
<li><a href="https://www.apache.org/foundation/getinvolved.html">https://www.apache.org/foundation/getinvolved.html</a></li>
<li><a href="https://www.apache.org/foundation/how-it-works.html">https://www.apache.org/foundation/how-it-works.html</a></li>
<li><a href="https://www.apache.org/dev/contributors.html">https://www.apache.org/dev/contributors.html</a></li>
</ul>
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