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The "install" phase is the phase that takes a built artifact (which is built during the "package" phase) and copies it to the local maven repository. The above maven command will execute all the goals tied to all the phases of the maven default build lifecycle up to and including the install phase. To install a project's artifact (such as a jar or war file) into the local maven repository, we can execute the following command: Typically, you can build the jar file and then build the war files with those jar files packaged into them (in their lib directories). As an example of how this might be useful, you might have a common jar library that is utilized in multiple web applications (war files). If we package a project and install it into our local maven repository (as a jar file or similar resource), it can be utilized in other local projects as a jar file. When you package a project, you can selectively get these resources from your local repository and include them in your packaged project, if desired. While developing a project, you typically reference these local repository jar files in your classpath W. This serves as a location for all of the common jar files (and other similar resources) that your projects need to utilize. If you're using maven, you have a local maven repository on your machine. You can also utilize tools such as Archiva S to selectively mirror a central repository (it'll mirror only the jar files that you require). In addition, you can contact mirrors of the central repository. The maven "central repository" is a remote library that has lots and lots of common artifacts (primarily different versions of common jar libraries) that serves as the standard place where you can get jar files for your projects. An "artifact" in maven is a deployable file such as a jar W, war W, or ear W file. A repository is essentially a collection of artifacts and metadata. This is by far the easiest and most reliable option available.Windows Vista || JDK 1.6.0_04 || Eclipse Web Tools Platform 2.0.1 (Eclipse 3.3.1)Ī primary idea behind maven S W is the idea of repositories. That leaves the third option – adding the artifact in source control and using a maven plugin – in this case, the maven-install-plugin to install it locally before the build process needs it. In addition, the library may not be Maven enabled at all, which makes the process that much more difficult, so it's not a realistic solution to being able to use the artifact NOW. Getting the artifact uploaded into a public repository or in Maven central directly is also a good solution, but usually a lengthy one. If this scenario – hosting custom artifacts – is a common one however, a repository manager makes a lot of sense. Provisioning an instance to run Nexus, setting up Nexus itself, configuring and maintaining it may be overkill for such a simple problem as using a single jar. Nexus is of course the more mature solution, but it's also the more complex. install the artifact locally using a maven plugin.
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try to get the artifact uploaded into one of more reputable public repositories.
MAVEN INSTALL JAR TO LOCAL REPOSITORY EXAMPLE FULL
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However there will always be an artifact that is either not hosted anywhere, or the repository where it is hosted is risky to depend on, as it may not be up when you need it. Maven is a very versatile tool and its available public repositories are second to none.