Nexus sucks in Maven repositories

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By Alex Handy

August 27, 2008 — Now that Java users are used to Maven, the points of pain are beginning to get relief. To help save time and effort for organizations with lots of Maven users, Sonatype released Nexus 1.0 yesterday. This Web-hosted repository management tool brings the many external and internal libraries used in development environments down to a single point of management.

Jason van Zyl, founder and CTO of Sonatype, said that Nexus and the other projects his new company has been working on have all come out of the needs he's seen in Maven environments. Van Zyl is the creator of Maven, and he founded Sonatype after his initial attempt at building a Maven support company failed.

As a principal guiding force behind Sonatype, van Zyl's company has joined the Eclipse Foundation and built new integrations with other Eclipse projects. Nexus, though new, is already on its way to becoming an integral part of how the Eclipse build system works with OSGi bundles.

That's all in the future, however. For now, Nexus is still a free way to manage Maven repositories.

“Anyone who builds with maven may have a number of internal and external repositories. [They may be] fetching things from Apache or Eclipse or JBoss repositories. Nexus helps people manage all of their Maven repositories from one spot. Inside an organization, you can control your usage of Maven repositories from one console. A lot of times, people have to manage a lot of repositories internally and externally. People might have incorrect metadata or not take care of repositories like they should. Nexus can fix that,” said van Zyl.

When Nexus is installed in a network, it takes the place of previous Maven management systems. “Maven developers internally would basically be only looking at Nexus,” said van Zyl. “It's also great for configuration management,” he added, stating that repositories can be taken out of build usage, without being taken offline. That saves developers from being left out in the cold when management wants to keep official builds from using experimental repository artifacts.

Nexus is a free and open-source project. It is available at nexus.sonatype.org.

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